Mixing UV and white light sources

We have been exploring the possibility of creating new lighting effects by using daylight-balanced and UV light sources simultaneously. The two light sources produce inherently different effects, which can conflict with each other and detract from the overall image. At the same time, new possibilities are opened by breaking the conventional rules of thumb. Often, these new approaches are discovered by playful experimenting on the set, rather than by pre-planning the shoot.

Here is my recent blog post about this for The Black Light Magazine.

AA5Q9011_08-10-2016UV light photography is typically done in a dark studio and, until recently, with a relatively long shutter speed to maximize the intensity of the fluorescent light. As a result, “black light” photographs have a distinct look that features high tonal and colour contrast, a black background and a distinct bluish-purple colour cast produced by the visible portion of the LED or strobe lights.

We have been experimenting with mixing the visible, white light sources with UV strobes in order to expand the range of types of images that can be obtained using UV light and fluorescent paint. In the process, we have come across several technical and creative issues that shape the concepts that lend themselves well to UV photography.

First, when daylight-balanced light is used in conjunction with a source that is strongly biased towards the violet and ultra-violet side of the spectrum, managing the resulting colour cast, i.e. setting the white point correctly, becomes a challenge not only in the camera settings, but also in post-processing. This technical issue can be overcome relatively easily by using coloured gels on top of the UV-filtered strobes. The only drawback of this approach is that the gels further limit the intensity of the light, which has already been greatly reduced by the UV filters.

The second issue with mixing the UV and visible light is more conceptual, and it has to do with the type of image that can be created. Considering a portrait of a model with fluorescent makeup, for example, we quickly discovered that as we made the relative contrition of conventional, daylight-balanced strobes more prominent, the portrait became more and more, well.., conventional. This happened because the distinct colours and contrast of the fluorescent makeup became less prominent and significant in the overall image.

AA5Q8950_08-10-2016In order to maintain the impart of the fluorescent makeup, we found that it is effective to break the conventional rules of lighting the model. Specifically, instead of diffusing the incident light, we used a small, directed light source that created harsh shadows on the model’s face, i.e. sharp transitions between the light and the dark areas. This way, the fluorescent makeup, which was located in the deep shadows, was not affected by the white light and was very prominent in the resulting image.

In conventional portrait photography, particularly in “beauty” portraits, harsh light is avoided as being unflattering to the model. However, when the creative process features unconventional techniques like UV light and fluorescent paints, the solution to arising conceptual problems often lies at the extremes, or even is the exact opposite, of established guidelines. In this respect, the creative process is similar to scientific discovery, where researchers are advised to look for new insights at the fringes of the explored areas.

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Capturing everything

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“…survival lies in sanity, and sanity lies in paying attention.”
Julia Cameron “The Artist’s Way

The idea of taking notes to capture the events of our lives is controversial from the standpoint of present moment awareness. On the one hand, the vary act of note taking can be distracting from the experience itself. On the other hand, it can serve as a focusing tool.

In a recent interview, a comedian Mike Birbiglia said that an advice that he would give to his younger self was to write everything down in a journal “because it’s all so fleeting”. Basically, I think that the value of journaling boils down to cultivating the skills of observation. Julia Cameron in “The Artist’s Way” makes a case that paying attention is a key skill in any creative endeavour. Perhaps, it is a key in everything: relationships, work, memory, creativity, etc.

Last year, I went to the Leonardo3 exhibit in Milan, where Da Vinci’s notebooks were displayed. Those were e-copies; the real ones were displayed at the Santa Maria delle Grazie, which is also the cite of “The Last Supper”. My most prominent impression was of Leonardo’s incredible ability to observe nature and to learn from it. If I think about it a bit more, it becomes apparent that he must have been very generous with his time. He must have had sufficient patience to just look at things (e.g. turbulent water flow under a bridge or frogs swimming in a puddle) and figure out why they look and work the way they are. After all, Leonardo did all his work before computers and productivity tools. Yet undeniably, he had been tremendously productive. I think that perhaps, it was a conjunction of two key factors: patiently paying attention and diligent capturing of his experiences and observations.

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Media matters

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When amateur artists begin to extend their creativity and develop their skills, they often expect to produce great work right away. As Julia Cameron points out in her incredibly influential book “The Artist’s Way“, “By being willing to be a bad artist, you have chance to be an artist, and perhaps, over time, a very good one.”

One of the reasons for the high initial self-expectations is that the creative process of (new) amateur artists is sporadic. By definition of being amateurs, they are are not thinking as professionals. For pros, the workflow is largely focussed on showing up and consistently delivering a large volume of work rather than waiting for mysterious inspiration. Here is Julia Cameron again: “Great Creator, I will take care of the quantity. You take care of the quality.” In other words, the pros trust the routine of honing their craft. They know that if they keep at it every day, the inspiration (and greatness) will come eventually.

The beginners, on the other hand, don’t have the psychological safety of the large volume of generated work. Therefore, each painting they produce is very precious to them.

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Ultimately, the way to deal with over-attachment to one’s own work is to produce more work on a regular basis. Another trick is to set up the framework of practice from the beginning. One way to do it is to use very cheap or disposable media, the kind that typically would not be associated with a museum-quality masterpiece. I saw the ultimate expression of this concept in Beijng, where calligraphers write elegant Chinese characters on a sun-heated sidewalk using water. They can barely finish writing a poem before the first characters start to disappear as the water dries up.

Calligraphy writing at the Jing Shan Park. Beijing, China.

These days, I am playing with an airbrush, learning freehand and stecilling techniques. In airbrushing, the mistakes are difficult if not impossible to recover from. Once too much or too dark of a colour is sprayed, there is no way of removing it. So I made it a point to use newsprint paper – the medium that many professionals recommend for practicing airbrush techniques. I use newsprint even when I think that the result could be a unique painting. I also don’t hesitate to use subjects that have no potential for standing on their own as a piece of art, like copying fragments of famous paintings that were originally done in a different medium.

The idea of using newsprint paper came to me when I was looking at the paintings in Mauritzhuis earlier this year. Adrian Coorte, in particular, often painted on paper, instead of canvas or wooden board, which were typical media of the time.

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Active waiting vs. procrastination

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I have a copy of Robert Boyce’s “Advice for New Faculty Members” sitting on a shelf on top of my desk at home. As I was looking for an excuse avoid working on a research paper, I decided to flip through it. The book has been tremendously helpful during my first yeast at the university in terms of setting a framework for best practices in allocating time and efforts in teaching and research. The most effective practices are all laid out there in plain sight, supported by (sometimes too much of) statistical data.

Regarding writing in particular (as this is what I was avoiding) the first point that Boice makes is that it pays off not to rush into pouring words on the page. Instead, the best writers wait until they have sufficiently played with the ideas and supporting material in their heads to actually have something to say in their manuscripts. I was quite pleased with this idea: my procrastination was actually supposed to be productive in some indirect way.

There is a difference, however, between “active waiting’, how Boice calls it, and simply avoiding work. The former is a conscious, mindful process. It sets the stage for more efficient work.

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In my experience, active writing is absolutely crucial in a creative process. Photography or painting are great examples. Without some planning and taking time to create a mental representation the photo shoot or a painting season becomes a mindless going through the motions, a naive practice, to borrow a term from Anders Ericsson.

In kendo, the active waiting is formalized in the pre-practice ritual in the form of mokuso, a brief period of group meditation. Ironically, the meaning of it is not often discussed in modern dojos, as we are too focussed on getting to the practice itself, i.e. to literally just going through the motions.

Moss Street Paint-in, July 16, 2016.

Under and over the water

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Here is a post for The Black Light Magazine on a photoshoot, where I was not involved as a photographer. In fact, the most challenging part for the production planning, and I avoided even most of that, being on travel in The Netherlands. Moving into the area of technically challenging shoots, where we have to rely on other people (e.g. a diver in this case) to press the trigger for me and my associates. One aspect that I am still trying to reconcile is the apparent lack of creative control that comes with delegating the actual shooting part. Perhaps, this is the inherent difference between the skills and the vision of the camera operator and the director. I should start looking at the shoot from the director’s chair and learn to enjoy the view.

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During a recent underwater photoshoot, which involved a marathon body-painting session by three artists working simultaneously on two models and a diver sitting on the bottom of the pool with the gear that is typically used for photographing marine creatures, we came across a rather unique challenge. Our objective was to show the models in fluorescent makeup swimming underwater, while simultaneously showing their environment, i.e. the reflections of the free surface and the colour of the water itself.

Capturing the images of the models was relatively straightforward. They were illuminated with underwater strobes cover with custom UV filters. “Straightforward” doesn’t mean “trivial”, though. The diver-photographer actually to shed some blood by cutting his finger on the edge of the filter. Luckily, there were no no bloodthirsty creatures in the pool…

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The challenge was to simultaneously illuminate the environment (i.e. the water) with studio strobes placed at the edge pf the pool. Since they were positioned above the surface, they could not be triggered with a radio trigger on the diver’s camera, since the triggering signal does not travel well under water. A makeshift solution was to stick one of the underwater flashes over the surface and trigger the studio strobes optically. The major drawback of this approach is that it significantly reduced the already scarce amount of light available underwater for illuminating the models.

A modified triggering method, that we are going to thoroughly test in a follow up photo shoot will involve floating a wireless trigger, coupled with an optical sensor, in a sealed glass container on the surface of the pool, giving it access to both the underwater flashes (optically) and the above-water studio strobes (via radio).

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Purposeful practice

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Anders Ericsson explains in his book “Peak” that simply repeating things over and over again does not lead to controls improvement (in fact, it is a recipe for stagnation). Ericsson differentiates between “naive practice”, “purposeful practice” and “deliberate practice”, in the order of sofistication and effectiveness. Basically, repeating something without focusing on a specific area of improvement is naive practice. In contrast, purposeful practice requires analysis of one’s progress and working out ways through or around the roadblocks that inevitably occurs once the current limit of ability is reached. The powerful message of Ericsson’s book is, of course, the argument that people’s minds and bodies are adaptable in way that a “natural” limit or ability can, in fact, be expanded. This means that we, in a sense, can increase our own “talent”.

Naturally, it would be great to spend our days with purpose, i. e. having a clear and specific goal to work towards. in the words of Annie Dillard, “how we spend our days is, of course, how we spend our lives.” This is easier said then done, though. First, the really high-level goal is quite elusive – after all, we may be talking about the meaning of life. Second, it can be argued that continuously operating in the productivity mode is, ironically unproductive in the long run.

However, in specific situations, for example, developing a photography technique, it is quite easy to practise purposefully. All that is needed is a clear, attainable goal (e.g. learn to recognize and act upon photo opportunities suitable for using a phone camera in daily life), and a measure of progress (e.g. number of photos taken each day and, perhaps, feedback from peers on the selected ones).

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Placidity Amidst Raging Waves

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“Saevis Tranquillus in Undis:
Placidity Amidst Raging Waves”

— life motto of William of Orange

On the second day of my trip to The Nethelands, I visited an impressive exhibit on the history of William of Orange in his house/palace called Prinsenhof in Delft. Before that, I thought about William of Orange first of all as a rebel leader, so I was surprised by his life motto written on the wall of the exhibit hall: “Placidity amidst raging waves”. Although William was undoubtedly a rebel, he became one quite reluctantly. In fact, during the iconoclasm in Holland, he predicted that it would cause a major political and personal disaster to everyone involved. He also struggled quite a bit to reconcile his oath of allegiance to the king with his inherent loyalty to his country, ultimately represented by its people.

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Overall, I find it tremendously impressive how forward-thinking William was in his political views and in his exercise of restraint (he was nicknamed “William the Silent“). Perhaps, it is his personal trait of tolerance and progressive views that continues to manifest itself in Holland’s ability to continuously ride the wave of progress, from near-exclusive (with the exception of Portugal) trade agreement with Japan in the Middle Ages to art of the post-Renessance to technological innovations of the modern days.

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In general, the ability to remain calm in the face of external perturbations is the key to mastering skills and life situations. For example, the space before the stimulus and the reaction is crucial in kendo, which is arguably a model for everything else in life, as described by Minamoto Musashi, whose “The Book of Five Rings” has been very influential in the business world. Even in photography, I often find that it is good to take time time to observe the subject instead of immediately starting to shoot in fear of missing the opportunity. A little pause allows me to choose a better viewpoint and composition and ultimately, to learn more about the subject.

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Travelling with an iPhone

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My 1D X and three lenses were already packed for the trip to The Netherlands, but at the last moment, in fact, on the morning of departure, I changed my mind and decided to leave the DSLR in favour of an iPhone. It was a conscious effort to do things differently from my usual routine. Besides, I wanted to see if I would be able to still do photography, if I focussed on different aspects of it – namely, on documenting (nearly) everything I encounter and sharing it with my wife almost instantly.

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On the second day of travel, I can report that it is indeed possible to do a significant amount of travel photography with a smartphone. In certain ways, it is even easier than with a DSLR. Indeed, carrying just a phone, instead of a bulky camera and a backpack makes you more nimble, both physically and mentally. I found myself actively looking for photo opportunities not only after arriving at the destination, but throughout the trip.

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Also, a phone camera allows me toby much stealthier and sneakier while taking candid shots. the sound of a high-speed burst from a 1D X is as distinct as that of an AK-47, and has a similar (but not as lethal) startling effect on an unsuspecting person. Not only the phone camera is silent, but the smartphones are so ubiquitous, that it seems that people stopped paying any attention to them – I could be taking a picture of a persona meter away, and he won’t even notice it.

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There are a few issues with iphonography, though, compared to shooting with a DSLR. I am not talking about image quality – it is expected that a phone camera would have some limitations. The first thing I noticed is battery life. Shooting, editing and posting photos through the travel (two airports and a train ride) and then walking around The Hague for entire afternoon drained the battery completely and sent me beck to my hotel room (I must say that I was quite tired and glad to do it anyway).

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The second issue is storage. In my particular case, it is not the amount of storage on the phone itself – it is the capacity of my cloud account, where all the images are backed up automatically. My 50 GB filled by the end of the second day. The issue was easily resolved by deleting some old backups. I am sure that my workflow can be optimized, for example, by copying the photos from the cloud to a laptop at the end of each day. However, a camera phone does not completely free you from either a computer or a power outlet.

Interview with Craig Mildrexler

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I have been working on an article for Craig Mildrexler. I find it inspiring to see in Craig a real-life example of someone turning around his career to follow his artistic calling. Please see the complete TBLM article below. The images in this post are not related to Craig or his work, other than that they are of Genoa, the city that he visited recently.

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This week, I had an opportunity to interview Craig Mildrexler, a Kansas City – based painter, who creates “artwork that changes when viewed in a different light…just like people!”

Craig specializes in abstracts. He enjoys the freedom that comes from having no boundaries on the artist’s imagination. Abstract paintings are open to individual interpretation, and in that sense, they directly involve viewers in the creative process. Craig views each painting as an experiment, sometimes making the images look like flowers or stars and nebulae.

Craig’s medium is neon (fluorescent) acrylic paint on masonite board. Sometimes, he mixes fluorescent paints with regular acrylic paints to achieve a 3D effect – the non-fluorescent paint turns dark when viewed under UV light, creating an impression of depth. Mixing the two types of pigments allows him to creates two compositions in one painting. For example, mixing blue neon colour with a regular (non-fluorescent) yellow acrylic produces a green colour when viewed under white light, but under the black light, the yellow hue disappears, and the colour becomes blue. Neon and regular acrylics mix perfectly, and mostly hold the colour of the regular acrylic under the white light, because the florescent component of the neon paint is not fully activated.

Craig applies the paint using a variety of tools, from different types of brushes to knives to toothpicks to his fingers. He often uses a hair dryer to spread the paint on the board or lets gravity do this work. Sometimes, he uses a back side of a masonite board, which has a rough texture, to smudge the paint around the working surface.

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I asked Craig about one practical advice that he could share with someone, who would want to try his technique. His tip was to add water to the paint – different amounts to each colour. As the paint dries, the colours separate and crack differently to create interesting 3D effects, especially in the neon colours.

Craig paints under regular white light, so he sees the “black light” effects for the first time only after the painting is finished. Relying on his extensive experience, Craig can create the desired fluorescent effects without immediately seeing them. Still, he admits, when the result is revealed under the black light, he often cannot help but chuckle in surprise. In fact, this element of surprise is what particularly attracts him to black light painting.

Craig grew up in an artistic family: both his parents were artists. Although he never formally studied painting and has never taken an art class, Craig often watched his father paint. Craig went to college for a business degree and subsequently worked as an accountant until approximately 2001. During that time, he painted recreationally, as a means of relief from his stressful job. In 1990, to take his mind off the work, Craig followed the example of his parents and painted his first and still personal favourite picture – a little square that is now hanging in his studio. As he was working on it, Craig noticed that he was so focussed on the process that all his stress seemed to disappear. He then painted another picture, and another one, an another one…. Since then, he created over 5,000 paintings. He still considers it an epiphany to finding in art something completely unique and different from his prior interests by just stumbling across this powerful experience and trying to replicate it.

Eventually, Craig decided to paint professionally. He really enjoyed it and was encouraged by good sales of his work. In 2010, he discovered for himself neon paints and received a very enthusiastic response of people, who saw his work at art shows. His approach to developing his craft has always been experimental – using trial and error and learning from his mistakes.

Craig’s main influence in art is his father, Bob Mildrexler, who was a prominent artist in Kansas City in 1940s and until he passed away in 1998. Bob created over 10,000 paintings in his career, and always enjoyed experimenting with the painting process.

Craig himself has had a significant influence on the art community in Kansas City, the United States and internationally. Over the past ten years, he has taken part in more than 100 juried art fairs and exhibited his work in many galleries, restaurants and private businesses across the US. In November 2015, Craig attended the First International Black Light Painting show in Genoa, Italy among leading black light artists from Italy, France, Russia, Poland and Brazil. Along with these high-profile international activities, Craig contributes to the art community in his home town by giving away an original painting each Friday. Currently, Craig is planning a Black Light Painting Show in Kansas City, which will take place in the summer of 2017. It will feature the works of artists from Europe, Indonesia, South America and the United States.

To see more of Craig’s work, please visit his Facebook page: Craig Mildrexler’s “Power and Black Light Art”.

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Travel photography gear: to be or not to be nimble

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It seems that every time I am about to travel somewhere, I debate whether to take a particular piece of photo gear, e.g. a tripod, a certain lens, a flash, etc. The reason I hesitate to take everything that I may potentially need is that lugging around a heavy backpack really detracts from the experience of travel, and can even be detrimental to the photography aspect of it (e.g. it can limit your access to certain cites, or it can make you tired, so you would be more likely to miss photo opportunities). It really makes a lot of sense to be nimble, to borrow a term from Derrick Story.

When considering whether to take a particular piece of equipment on a trip or not, if I really want to be systematic about making the decision, I find it useful to apply a principle that Cal Newport describes in his book “Deep Work”. The idea is that while any tool has some potential to be useful, it often has drawbacks. The logical thing to do is to use the tool only if the benefits outweigh the drawbacks.

In the case of travel photography, for example, if I foresee an opportunity to shoot a sporting event, I take the 1Dx body because of its great autofocus speed, despite the relative bulk. However, if I will have only a few hours to explore the new location, my iPhone would allow me much greater mobility, while still giving an opportunity to capture some images.

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