An alternative title for this blog entry could well be, On the art of transforming a visual vice into a virtue. The "visual vice" in this case (at least for this photographer ;-) being a bright, sunshiny day on the shores of the Potomac River at Great Falls park, Virginia. While there were plenty of areas of shade in which I could park my camera and tripod, and I could always use my light balancing disk to locally block out the strong sun to take closeups of plants or leaves, what I deliberately set out to capture one particular day a few weeks ago was the flow of water. Unfortunately, this is virtually impossible to do (at least in the manner I was envisioning) without cloud cover to provide ample diffused light. So, what to do?
Having hiked down some steep rocks to get close to the river, I was more or less committed to either taking some close-ups of rocks and crevices (which I did), or find a way to capture (and communicate) the flow of water without the diffused light I so craved. A mini epiphany saved the day, and planted a seed for future excursions.
My epiphany consisted of exploiting the fact that since the sun was so intense, it naturally left a strong visual trace of its cacophony of specular reflections. Ordinarily, such reflections show up as unwelcome burned out highlights. But what if I used them to accent the flow without bringing undue attention to themselves? Such as by showing / printing the digital equivalent of an analog negative? Blacks become whites, and burned-out whites become blacks; individual "points" tracing - in a vaguely pointillist fashion - the beautiful dynamic patterns of the flowing water. The images here are just a few samples of my (still ongoing) experiments with staccato flow abstraction.
Sunday, November 25, 2007
Sunday, November 11, 2007
Indra's Net
"Far away in the heavenly abode of the great god Indra, there is a wonderful net which has been hung by some cunning artificer in such a manner that it stretches out infinitely in all directions. In accordance with the extravagant tastes of deities, the artificer has hung a single glittering jewel in each "eye" of the net, and since the net itself is infinite in dimension, the jewels are infinite in number."
"There hang the jewels, glittering like stars in the first magnitude, a wonderful sight to behold. If we now arbitrarily select one of these jewels for inspection and look closely at it, we will discover that in its polished surface there are reflected all the other jewels in the net, infinite in number."
"Not only that, but each of the jewels reflected in this one jewel is also reflecting all the other jewels, so that there is an infinite reflecting process occurring."
(Text quoted from Francis H. Cook, Hua-yen Buddhism: The Jewel Net of Indra, Pennsylvania State University Press, 1977; Avatamsaka Sutra, page 2)
"There hang the jewels, glittering like stars in the first magnitude, a wonderful sight to behold. If we now arbitrarily select one of these jewels for inspection and look closely at it, we will discover that in its polished surface there are reflected all the other jewels in the net, infinite in number."
"Not only that, but each of the jewels reflected in this one jewel is also reflecting all the other jewels, so that there is an infinite reflecting process occurring."
(Text quoted from Francis H. Cook, Hua-yen Buddhism: The Jewel Net of Indra, Pennsylvania State University Press, 1977; Avatamsaka Sutra, page 2)
Tuesday, November 06, 2007
"Sudden Stillness" Book to be Published
Though I can still hardly believe it, I have been told by the publisher (Eddie Ephraums, of Envisage Books) sponsoring the British Black & White Photography journal's "What's Your Book?" contest, that my book idea submission has won!
While there were several stages to the judging (see my earlier blog post), the last stage consisted of a two month long on-line vote (by readers of the journal) for one of three finalists selected by a panel of judges. Well, the voting site has closed, the votes have been counted, and my book idea seems to have bubbled ever so slightly to the top! In truth, as I had written before, I was thrilled beyond measure at just seeing my name on the shortlist of three finalists, with two other obviously gifted photographers. Trevor Crone and Michael Copsey both had superb entries, and beautiful photographs. I am also sure that both will also soon have their work published in a book, as the quality simply speaks for itself. It is a sincere honor to have shared a temporary spotlight with these fine artists.
My own entry consisted of six sample images (supplied on a CD), 20 additional images for a later stage of judging, along with some fine-art prints sent via mail, and the following title, strap-line and "short description" of what I envision a book of my photos looking like:
Sudden Stillness: Visual Echoes of Timeless Rhythms
Simple, Zen-like meditations on the mystery of nature's primal patterns, expressed in four movements (each introduced by a short essay): Chaos, Order, Complexity, & Decay. "Chaos" is disorganized and formless; "Order" is imposed structure; "Complexity" is self-organized and emergent; “Decay” is entropic death, but presages rebirth. These interpenetrating primal patterns drift quietly on an ineffable meta-pattern of energy. Collectively, the four movements quietly weave a visual narrative to reveal nature experienced as sudden stillness.
The final pool of images from which Eddie Ephraums and I are currently sequencing a selection for the actual book, consists of about 90 photos (though only about a quarter of these will appear in the final version). Eddie's working design for the book is quite interesting. He plans on creating a concertina-style - i.e., fold-out - book, a mockup of which appears above. I am told that these kinds of books are notoriously difficult to produce, particularly when using heavier than normal paper stock, which Eddie wants to use because it allows the book to stand up by itself when open. Fully extended, the book will span almost two meters in length! Eddie is also trying to achieve the finest possible tonal reproductions, so that the relatively small number of pages (about 20) is more than made up for by the quality of the photographs.
As this will be a very limited initial run of about 200 copies (!), one thing I must be mindful of is the potential audience and general level of interest for the book before it is published. I therefore humbly ask those readers of my Blog who might be interested in purchasing a copy to please leave a comment, or email me privately. I will be more than happy to put you on my list, keep you up to date on the book's progress, and let you know (as soon as I do) of when it will be available for purchase.
While there were several stages to the judging (see my earlier blog post), the last stage consisted of a two month long on-line vote (by readers of the journal) for one of three finalists selected by a panel of judges. Well, the voting site has closed, the votes have been counted, and my book idea seems to have bubbled ever so slightly to the top! In truth, as I had written before, I was thrilled beyond measure at just seeing my name on the shortlist of three finalists, with two other obviously gifted photographers. Trevor Crone and Michael Copsey both had superb entries, and beautiful photographs. I am also sure that both will also soon have their work published in a book, as the quality simply speaks for itself. It is a sincere honor to have shared a temporary spotlight with these fine artists.
My own entry consisted of six sample images (supplied on a CD), 20 additional images for a later stage of judging, along with some fine-art prints sent via mail, and the following title, strap-line and "short description" of what I envision a book of my photos looking like:
Sudden Stillness: Visual Echoes of Timeless Rhythms
Simple, Zen-like meditations on the mystery of nature's primal patterns, expressed in four movements (each introduced by a short essay): Chaos, Order, Complexity, & Decay. "Chaos" is disorganized and formless; "Order" is imposed structure; "Complexity" is self-organized and emergent; “Decay” is entropic death, but presages rebirth. These interpenetrating primal patterns drift quietly on an ineffable meta-pattern of energy. Collectively, the four movements quietly weave a visual narrative to reveal nature experienced as sudden stillness.
The final pool of images from which Eddie Ephraums and I are currently sequencing a selection for the actual book, consists of about 90 photos (though only about a quarter of these will appear in the final version). Eddie's working design for the book is quite interesting. He plans on creating a concertina-style - i.e., fold-out - book, a mockup of which appears above. I am told that these kinds of books are notoriously difficult to produce, particularly when using heavier than normal paper stock, which Eddie wants to use because it allows the book to stand up by itself when open. Fully extended, the book will span almost two meters in length! Eddie is also trying to achieve the finest possible tonal reproductions, so that the relatively small number of pages (about 20) is more than made up for by the quality of the photographs.
As this will be a very limited initial run of about 200 copies (!), one thing I must be mindful of is the potential audience and general level of interest for the book before it is published. I therefore humbly ask those readers of my Blog who might be interested in purchasing a copy to please leave a comment, or email me privately. I will be more than happy to put you on my list, keep you up to date on the book's progress, and let you know (as soon as I do) of when it will be available for purchase.
Monday, October 22, 2007
Borgesian Labyrinths of Mystery
One of my favorite authors is Jorge Luis Borges; though the "category" of creative endeavor to which Borges belongs - or, better, the creative endeavor that Borges defines - is infinitely richer than what is rather blandly suggested by "mere" author. For Borges is philosopher, mathematician, dreamer, mystic, seeker, visionary ... (the list goes on, perhaps endlessly). If there is one word that immediately comes to mind when Borges' name is mentioned, even before author or philosopher, that word is surely book; for Borges adored books. He adored writing them (or at least writing stories about books that would later appear in them), collecting them, thinking about them, even working with them (as when he was Director of the National Library of Argentina). Among Borges' well known tales and musings about books and libraries are the Library of Babel and Book of Sand.
"I pray to the unknown gods that some man -- even a single man, tens of centuries ago -- has perused and read this book. If the honor and wisdom and joy of such a reading are not to be my own, then let them be for others. Let heaven exist, though my own place may be in hell. Let me be tortured and battered and annihilated, but let there be one instant, one creature, wherein thy enormous Library may find its justification." - Jorge Luis Borges
Borges naturally came to mind recently, as I stumbled onto a lonely, deserted, out-of-the-way dilapidated two-room shack, full of withered old books, somewhere off Route 66 in northern VA. How perfectly Borgesian I thought to myself, as I gingerly stepped into a roomfull of dry, pebbled, half-decayed tomes, most strewn haphazardly over the sunken floorboards. Even more in tune with the "Borgesian" rhythms echoed by the physical forms of the books, was the kind of books that adorned this deserted little shanty. For these were not your run-of-the-mill thrillers and boddice rippers. Rather, almost all were on subjects distinctly Borges-like, and ranged from Dostoyevsky, to Kafka, to Immanuel Kant and Georg Hegel, to Carlos Castaneda, to Fritjof Capra, to Stanislaw Grof, to David Bohm, to a study of Dreams, to the latest (c.1980) research on consciousness.
"A book is more than a verbal structure or series of verbal structures; it is the dialogue it establishes with its reader and the intonation it imposes upon his voice and the changing and durable images it leaves in his memory. A book is not an isolated being: it is a relationship, an axis of innumerable relationships." - Jorge Luis Borges
All arguably and quintessentially Borgesian subjects and authors, except for - ironically - Borges himself. Try as I might, I could not find a single volume of Borges' stories anywhere on these shelves. It is impossible to imagine the former owner/occupant of this decaying Borgesian labyrinth of books, which still palpably pulsates with ideas and visions that only a lover of Borges can appreciate and understand, not having the collected works of Borges standing somewhere on the shelves. But then, there is also the basic mystery of what happened to the owner. Why are his/her (remaining?) books still here, neglected and/or forgotten after all these years, quietly turning to so much dust? Did the owner seize his one prized volume of Borges' stories - which had to exist! - before being forced to quickly abandon this tiny shack for some mysterious reason? Why did the owner (or someone else?) return - looking at the empty carton apparently being readied for storing books - only to vanish once again? Or is the carton empty only because new books were brought in to replace those that had fallen (or stolen)? In either case, why? How long have these books been rotting here? Why are some shelves completely empty, while others are still full? Why does each of the five books lying flat on the floor with exposed pages contain the word "secret"?
"The composition of vast books is a laborious and impoverishing extravagance. To go on for five hundred pages developing an idea whose perfect oral exposition is possible in a few minutes! A better course of procedure is to pretend that these books already exist, and then to offer a resume, a commentary . . . More reasonable, more inept, more indolent, I have preferred to write notes upon imaginary books." - Jorge Luis Borges
I was entranced by the siren call of the ghostly volumes beckoning from the shelves, and silently reaching out from broken drawers. Are they all clues to some unfathomable puzzle? Is their "orderless" arrangement perhaps a clever illusion, and not entirely random? Are they a subtle palimpsest of eternal truths and wisdom, fiendishly encoded by some long dead genius that history has failed to record (or intentionally wiped from memory)? Did I unknowingly break some sacred code when I accidentally kicked a small rock off a page of an old Bible, thus relegating its cosmic message unintelligible to the one destined to decode it? Or did I just as unknowingly, and merely by entering, encode my own presence onto this living labyrinth, ineffably committing the one cosmically meaningful act my birth was prophesied to yield in this incarnation? Or is the reason why all these volumes are here, in this particular place and time, in this particular arrangement, itself but an infinitesimally small piece of a larger, even deeper, puzzle? A puzzle to be only discovered - but never solved! - by someone whose birth the puzzle master himself had not foreseen? Or has the destined solver unexpectedly, and prematurely, passed through this as-yet unripened riddle; unwittingly rendering forever unsolvable the very puzzle he - and he alone - was born to solve? Is the puzzle-master, perhaps, the solver?
Such was the gravity of my thoughts and emotions as I solemnly packed up my humble gear and bade farewell to this Borgesian labyrinth of mystery. A single eye, staring upwards from the cover of a dusty book (whose spine had inexplicably entwined the rubber on the heal of my shoe), seemed to follow me before the light finally grew too dim for it to see. I imagine it shifted its gaze back inward toward itself, to continue meditating on the unimaginable fate that awaits these relics, trying to remember its own long forgotten role in creating them.
Friday, October 19, 2007
On the Art of Finding Rust in Landscapes
A few months ago, I posted an entry about my family's blackberry-picking trip, during which I managed to snag some shots of rusted relics in an old barn and peeling paint off an old door (startling the proprietors of the farm into thinking they had a madman on their property, interested more in old doors than blackberry bushes!) Well, a similar thing happened to me this past weekend, though thankfully minus any startled proprietors this time ;-) Perhaps there is a pattern to my madness...
Our most recent outing was apple picking this past weekend at Stribling Orchard, in northern Virginia. And again, though I took a few pictures of the kids and even helped out with a bit of the picking, my "photographer's eye" soon strayed elsewhere, with nary an apple in sight. Eventually I stumbled (quite literally, while backing out of a hole in the ground I accidentally stuck my foot into) across a dilapidated barn with some old equipment. My eyes immediately popped open with anticipation and excitement. Rust, beautiful rust! I was in heaven :-)
I am reminded of a story I once heard during a documentary on Brett Weston, the second of Edward Weston's sons and, of course, an accomplished photographer in his own right. Brett, who like his dad, spent most of his time taking photographs in California (in places like Point Lobos and Big Sur), was one day invited by a friend to join him on a trip to Europe. Agreeing to go, after some cajoling, Brett and his friend visited Ireland, then Scotland, and later London. But Brett's eye, perhaps even more so than his father's, was tuned strongly toward abstraction. Thus, despite traveling though some of the most beautiful landscapes on the planet before arriving in London, Brett had not once pulled out his camera to take pictures! "And what did he eventually come home to California with?", you may be wondering. Why, rust, of course! Brett had been so mesmerized by a patch of rust on the London bridge, that on one of the very last days of their trip, he finally whipped out his camera and spent several hours in photographic ecstasy, exploring nothing but a small dilapidated metal plate.
All fine-art photographers have been afflicted with this strange disease at one time or another (though some more so than others, much to the amusement and consternation of their understanding spouses ;-)
Saturday, October 13, 2007
Luminous Companion
One of the special joys of photography is to discover something transcendent in what "objectively speaking" is completely ordinary; and use the medium to share your vision with others. A case in point, is a simple, humble, little tree, that I always see just outside the first level of the garage I use to park my car for work, and as I make the first turn to find a spot to park. I see a bit less of it as I continue downward to the second level, and it disappears from view completely as I weave my way to the third, and final level. I almost always choose to walk up to the entrance of my building using the outside stairs, rather than take the elevator directly from the ground level, because I want to enjoy "seeing" this little tree for a few extra seconds before beginning my work day. It has thus been a quiet companion of mine for years; and always puts a smile on my face as I embark on my workday, readying myself mentally to be immersed in my usual sea of equations and computer code.
I call it a humble tree, because that is how it appears to me. Its small and unassuming form is overshadowed by the thick trunks and dense foliage surrounding it. It is practically invisible, standing as it does just outside the garage, effectively lost among the scattered walkways, outside furniture and nearby construction. Sadly, it also does not appear to be doing particularly well physically this year, as its already lost most of its leaves, and very few achieved their usual rich autumn colors before falling. But there it stands, with its graceful arcs and branches serving as a subtle aesthetic ground to everything surrounding it. I silently lament how so few people ever seem to notice its delicate beauty. Though my coworkers frequently jog for exercise up and down the inclined hill on which it grows, few, if any, ever glance in its direction.
I resolved to show others what this serene sentinel has generously provided me for so long. I waited for a nice day (which, in photographer's speak, means an overcast, moist day;-), started my commute to work a few minutes early to buy myself some extra time, set up my tripod on the first level and took a few exposures. Some friends passed by in their cars. Most smiled quizzically, and squinted from their seats to try to make out the source of my fascination. One, a fellow photographer, stopped by to take a closer look, and nodded appreciatively. Another, not a photographer, also stopped by and was visibly perplexed that this "unassuming tree" was really the subject of my focus. "I'll show you what I see later, when I've had a chance to express it," I said. "OK," he replied, "but its just a little tree, and not a terribly interesting one at that," and walked away.
What my friend probably saw, was what my camera faithfully rendered with its CMOS circuitry, reproduced below...
What I saw, and what I almost always see when I pass by my humble little friend, is the image that is reproduced at the top of this blog entry. The tree seems to be both bathed in and to emanate a soothing, ethereal glow; as though its roots are not just joined to the earth but stretch into something beyond as well. The mildly duotoned black and white conversion conveys something of what I see when I look at this tree; and it is not at all obvious from the "straight" color image.
I admit to it being a very pure joy for me, as a photographer, to not only be able to "see" this tree in its more resplendently luminous form - to see its very soul, so to speak - but to be able to express (at least some semblance of) what I feel while communing with it. The tree thus now rewards me twice each day. Once, as it continues to paint a smile on my face when it greets me in the morning; and a second time, whenever someone comes into my office, notices the print I made of my luminous companion hanging on my wall, and says (usually, with some incredulity!), "That's not that little tree you were talking about, is it? Wow! Never thought much of it before. It's beautiful!"
As others have observed, one does not have to travel to exotic far-away places to find beauty.
Wednesday, September 26, 2007
A "Magic" Filter from Singh-Ray
When I was still in my teens, and just starting to learn photography, I recall two pivotal moments after which whatever doubts I may have had at the time about seriously pursuing photography evaporated, never to be heard from again. I described the first moment in an earlier blog entry; it amounts to seeing Minor White's "abstract expressionist"-like "Capitol Reef" print for the first time. I will not repeat what I wrote before, except to emphasize the spiritual awakening that White's image evoked in me. I realized for the first time that photography could be used to express not just the "objective" world - as it appears here and now, on the "outside" - but also an intensely subjective, private world that describes our very soul and its relationship to the corporeal.
The second moment, which occurred at roughly the same time in my life, took place as I was ponderously reading a rather dry textbook on photography; and is a direct precursor of why I am now so excited (30 years later!) by a magnificent lens filter available from Singh-Ray. Going back to my old self at 17, I remember being curled up in bed one day, while skimming through some pages explaining the basics of exposure. It was all standard material, with equally standard (meaning somewhat "dull") illustrations and photos highlighting the central points of the text. And then I ran across what I, at the time, thought was a stunningly dull photo: an image of an empty highway, taken in broad daylight. No cars, no pedestrians, no birds, nothing but asphalt and concrete. "Wow," I remember thinking, "these guys could use some creativity pills if this is the best they can do to illustrate a text on photography!" But it was a curiously puzzling photo, and strangely mesmerizing in its own way. I couldn't take my eyes off it for some reason. I kept asking myself, "Why aren't there any cars on this long stretch of highway in the middle of the day?" After reading the text more carefully (there was no caption underneath the picture except for the figure number), I had my second epiphanous moment.
The reason the picture showed nothing but an empty highway was because - during the extremely long exposure (about 1 min!) - nothing was in the frame long enough to register on the film! And how did that happen? Because the author was illustrating an effect of attaching a strong neutral density filter to the lens (in addition to using a very small aperture). A neutral density filter (NDF) reduces the intensity of light (at all wavelengths), thereby increasing the effective exposure time as the amount of reduction increases. NDFs are typically rated by the number of "f-stops"-worth of light reduction they impose.
For example, if a "filterless" exposure at f8 is, say, 1/500 sec, then a "2 f-stop" NDF will increase the exposure to 1/125 sec (at the same aperture); and an "4-stop" NDF will further increase it to 1/30 sec. Of course, one has to be sure that the white balance is preserved (so that there are no extraneous color shifts); which in practice simply means that you'll be investing in more expensive brands. I always carry at least two NDFs in my bag, one 3f-stop and one 6f-stop. The range is important, for it allows me to "experiment" with, say, a "frozen" water stream (using a fast exposure), a stream that is delicately blurred (for exposure times between 1/4 - 1 sec), and cloud-like flow "abstractions" (for t>5 sec).
However, despite the aesthetic allure of photos taken with my NDFs, I have often felt overly constrained by being able to reduce my exposure only by a fixed amount, as allowed and defined by a given filter's f-stop rating. Until, that is, a few weeks ago when I stumbled upon a remarkable variable neutral density filter - called a vari-ND - by Singh-Ray.
The vari-ND allows the user to "dial-in" any desired level of light attenuation between two and eight f-stop's worth, simply by rotating a ribbed ring on the filter. Apart from the technical acumen required to make this work, by providing the photographer near instant control over a vast continuous range of effective exposures makes the vari-ND a truly remarkable device.
Well, I've had this magic filter - and it is magic! - for a few weeks, and had a chance to experiment "Seeing" with it; some examples of which you see sprinkled throughout this post. It works precisely as advertised, and is a lesson in elegant design and workmanship. There are two sizes - 77mm and 82 mm - which is not a problem for those (like me) with smaller sized lens, since you can always use a step-up ring to match the filter. Indeed, having a smaller lens is actually an advantage, since you reduce the possibility of vignetting at wider-angles.
Objectively speaking, the vari-ND does not provide anything that a photographer cannot achieve in other ways, using other tools. But oh how magnificently effortless vari-ND renders that work! If the possibility of creating lasting works of art depends, in even small measure, on the artist being unburdened from logistical/technical constraints, then - I say - the vari-ND is truly a magic filter! It is brilliant in conception, flawless in design, and produces stunning images.
If you are a seasoned photographer looking to expand your creative possibilities, have just started exploring the dynamics of light and exposure, or have ever wondered what it would be like to control up to 8 f-stops worth of light with a simple twist of a filter, go here, and order one of these magical devices for yourself. You won't regret it!
A philosophical postscript: I use the word "magic" in the title and in my reference to the vari-ND for two reasons. The first reason has already been hinted at in the text above, and has to do with how this filter "magically" renders effortless the willful imposition of desired exposure time (on a technical level). The second reason, unarticulated explicitly above, is decidedly philosophical. What this filter does, in effect, is to transform our normal, every-day perception of temporal flow - in which the world appears to move in localized snippets of time that last roughly 1/30 to 1/60sec - to glimpses of a supranormal, otherwordly, realm in which time moves at a slower, sometimes significantly slower, pace. It thereby also transforms us into temporally transcendent beings, that temporarily exist outside of time, and are able to marvel at time's own inner rhythms. Who is to say what is "real", and what is not? Is the "real" stream of water the one my eyes provide a visual imprint of?" Or is it the ethereal cloud of vapor that my "temporally transformed" eye glimpses, however briefly, with the aid of the vari-ND? Both are "real", but neither is definitively so, of course. Moreover, I would argue, it is this simple, but profound, realization that we have momentarily stepped "outside the normal flow of perceived time" - along with the even deeper realization that the clearest view of reality can only take place from some vantage point outside of it, on a meta-level - that points the way toward something approaching a "spiritual" enlightenment. Thus, the second reason I use the word "magic" in describing the vari-ND, is that it "magically" reveals a (normally hidden) spiritual realm.
The second moment, which occurred at roughly the same time in my life, took place as I was ponderously reading a rather dry textbook on photography; and is a direct precursor of why I am now so excited (30 years later!) by a magnificent lens filter available from Singh-Ray. Going back to my old self at 17, I remember being curled up in bed one day, while skimming through some pages explaining the basics of exposure. It was all standard material, with equally standard (meaning somewhat "dull") illustrations and photos highlighting the central points of the text. And then I ran across what I, at the time, thought was a stunningly dull photo: an image of an empty highway, taken in broad daylight. No cars, no pedestrians, no birds, nothing but asphalt and concrete. "Wow," I remember thinking, "these guys could use some creativity pills if this is the best they can do to illustrate a text on photography!" But it was a curiously puzzling photo, and strangely mesmerizing in its own way. I couldn't take my eyes off it for some reason. I kept asking myself, "Why aren't there any cars on this long stretch of highway in the middle of the day?" After reading the text more carefully (there was no caption underneath the picture except for the figure number), I had my second epiphanous moment.
The reason the picture showed nothing but an empty highway was because - during the extremely long exposure (about 1 min!) - nothing was in the frame long enough to register on the film! And how did that happen? Because the author was illustrating an effect of attaching a strong neutral density filter to the lens (in addition to using a very small aperture). A neutral density filter (NDF) reduces the intensity of light (at all wavelengths), thereby increasing the effective exposure time as the amount of reduction increases. NDFs are typically rated by the number of "f-stops"-worth of light reduction they impose.
For example, if a "filterless" exposure at f8 is, say, 1/500 sec, then a "2 f-stop" NDF will increase the exposure to 1/125 sec (at the same aperture); and an "4-stop" NDF will further increase it to 1/30 sec. Of course, one has to be sure that the white balance is preserved (so that there are no extraneous color shifts); which in practice simply means that you'll be investing in more expensive brands. I always carry at least two NDFs in my bag, one 3f-stop and one 6f-stop. The range is important, for it allows me to "experiment" with, say, a "frozen" water stream (using a fast exposure), a stream that is delicately blurred (for exposure times between 1/4 - 1 sec), and cloud-like flow "abstractions" (for t>5 sec).
However, despite the aesthetic allure of photos taken with my NDFs, I have often felt overly constrained by being able to reduce my exposure only by a fixed amount, as allowed and defined by a given filter's f-stop rating. Until, that is, a few weeks ago when I stumbled upon a remarkable variable neutral density filter - called a vari-ND - by Singh-Ray.
The vari-ND allows the user to "dial-in" any desired level of light attenuation between two and eight f-stop's worth, simply by rotating a ribbed ring on the filter. Apart from the technical acumen required to make this work, by providing the photographer near instant control over a vast continuous range of effective exposures makes the vari-ND a truly remarkable device.
Well, I've had this magic filter - and it is magic! - for a few weeks, and had a chance to experiment "Seeing" with it; some examples of which you see sprinkled throughout this post. It works precisely as advertised, and is a lesson in elegant design and workmanship. There are two sizes - 77mm and 82 mm - which is not a problem for those (like me) with smaller sized lens, since you can always use a step-up ring to match the filter. Indeed, having a smaller lens is actually an advantage, since you reduce the possibility of vignetting at wider-angles.
Objectively speaking, the vari-ND does not provide anything that a photographer cannot achieve in other ways, using other tools. But oh how magnificently effortless vari-ND renders that work! If the possibility of creating lasting works of art depends, in even small measure, on the artist being unburdened from logistical/technical constraints, then - I say - the vari-ND is truly a magic filter! It is brilliant in conception, flawless in design, and produces stunning images.
If you are a seasoned photographer looking to expand your creative possibilities, have just started exploring the dynamics of light and exposure, or have ever wondered what it would be like to control up to 8 f-stops worth of light with a simple twist of a filter, go here, and order one of these magical devices for yourself. You won't regret it!
A philosophical postscript: I use the word "magic" in the title and in my reference to the vari-ND for two reasons. The first reason has already been hinted at in the text above, and has to do with how this filter "magically" renders effortless the willful imposition of desired exposure time (on a technical level). The second reason, unarticulated explicitly above, is decidedly philosophical. What this filter does, in effect, is to transform our normal, every-day perception of temporal flow - in which the world appears to move in localized snippets of time that last roughly 1/30 to 1/60sec - to glimpses of a supranormal, otherwordly, realm in which time moves at a slower, sometimes significantly slower, pace. It thereby also transforms us into temporally transcendent beings, that temporarily exist outside of time, and are able to marvel at time's own inner rhythms. Who is to say what is "real", and what is not? Is the "real" stream of water the one my eyes provide a visual imprint of?" Or is it the ethereal cloud of vapor that my "temporally transformed" eye glimpses, however briefly, with the aid of the vari-ND? Both are "real", but neither is definitively so, of course. Moreover, I would argue, it is this simple, but profound, realization that we have momentarily stepped "outside the normal flow of perceived time" - along with the even deeper realization that the clearest view of reality can only take place from some vantage point outside of it, on a meta-level - that points the way toward something approaching a "spiritual" enlightenment. Thus, the second reason I use the word "magic" in describing the vari-ND, is that it "magically" reveals a (normally hidden) spiritual realm.
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