creative use of lens filters for digital video

nickbeef

Active member
I'm working on a project where I'm trying to achieve a slight dreamy, fairly tale-esque look something similar to Jaromil Jires' "Valerie and Her Week of Wonders" and to a lesser extent, Louis Malle's "Black Moon". Since I'm shooting on a Canon 7D I'm using this opportunity to explore the use of filters to get a unique look out of the camera. Unfortunately information out there on the subject is sparse and a bit spotty. Perhaps many people see the use of filters as obsolete, which some possibly are (many color corrective filters), or because people would rather achieve the "look" in post.

So my question is what filters, if any at all, do people find useful and for what purposes? What "look" have you achieved with them.

Here's the little info I've sort of assembled myself, not at all experiential since I just received my first few filters for testing in the mail the other day. Anyway, please let me know if I'm wrong on any of this, as this is just my impression, and please add any of your knowledge and experiences:

Black Pro-Mist - especially with the lighter densities, seems to be the highest regarded for "softening" the digital look, while retaining the blacks. The 1/8 and 1/4, seem to be suggested for adding a little bit of "softness" but with out the image looking filtered.

Ultra-Contrast Filter - lowers contrast in the image by spreading light from the highlights into the blacks. The Ultra-Contrast filter seems to do this the most uniformly, so there is less obvious flare and halation from the highlights. Don't know where the sweet spot for this filter is, as far as density goes, where it is most effective while still being "invisible". There is also regular Low Contrast and Soft Contrast, what ever they are.

Fog, Double Fog, Soft/FX, Pro-Mist, Softnet Black, Softnet White, Diffusion, Black Diffusion, Gold Diffusion, Digital Diffusion/FX, Glimmer Glass, etc. - all of these seem to me to be variations and different formulations of a similar concept - diffusing the image. Some seem to add a bit of warmth (Gold Diffusion, Warm Pro-Mist), some seem to retain contrast others lower contrast, some add more or less halation in the highlights. Frankly, I'm not sure what the difference is between most of these... any input would be nice.

Lastly, there are other various specialty filters, which probably have little or at least a lessened interest to digital video shooters (but maybe I'm wrong!), like Enhancing filters (makes reds "pop" - for landscapes), Star filters (adds kinda cheesy star shaped reflections from lights and bright highlights, but I see this all the time in sports), and others of various usefulness.

By the way, a Haze filter does not add diffusion and "atmosphere", but rather cuts out the haze that can be caused by UV light. I just wasted money realizing this.
 
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also, I didn't even get into the stupid amount of filter systems and sizes and shapes, since this has no bearing on "creative use" mentioned in the title. It does however make shopping for filters in the sea of an already overwhelming amount of options, that much more daunting. For what it's worth, the 4X4 (or larger 4Xn sizes) rectangle filters seem to be the current industry standard and are the most flexible for say positioning a graduated ND filter. I'm currently looking mostly at Series 9 size filters, because for the most part all the pro varieties are there, they should cover most all of my lenses, and are much much cheaper.

One more question, can I use a heavy low-contrast filter to squeeze out more dynamic range out of my image. Slap on the low contrast filter, which should make the blacks a bit milky, then drop the exposure a bit to realign the shadow level and manage to pull in more highlight detail while I'm at it? In post, a could play around with this, but would I be working with more exposure information (a poor mans S-Log?)?
 
You questions are all over the place. Do you want to know about using filters creatively or how to stretch tech capability of your camera? They are a bit exclusive as what often is artistically creative often breaks all the tech rules "destroying" the proper image.
 
sorry, in all honesty, my deep down question is : Filters - what's the deal with those things? But for the sake of keeping a focused topic I wanted to stick to creative uses, specifically achieving a certain "look". Which is why I skipped over ND's and polarizes. Again, sorry, I just couldn't help myself with the side ranting.
 
I think this is a great question. I balked on a set of Promists at auction and I wish I'd gotten them. I have been grappling with the same thing. I heard on an ASC podcast, that John Lionetti, when shooting digitally, preferred to get everything clean and apply "plugin" filters in post. Has anyone tried this? http://www.bhphotovideo.com/bnh/controller/home?O=&sku=845325&is=REG&A=details&Q=


I'm not sure about this being on topic but I'm also interested in whether or not a low contrast filter will actually improve highlight handling too.
 
Patryk, nice work. I think using the split-field diopter to actually put part of the image out of focus was really cool. I'm surprised to see that there is no real seam, which is usually the giveaway that its being used. But i guess the way your using it, it trows that seam out of focus.

In the "Spirit/ Will/ Loss" trailer, I couldn't spot any filter use in any of the "live" shots with your subjects, but only maybe in the inertitles and cut-aways. The doc looks great by the way, I would love to see it. In the photo's section of the Doc site, the second one up from the bottem left hand side (the boxer woman, sitting on some drift wood), seems pretty low contrast and hazy. Not sure if this was filtered, or just naturally from sunlight hitting the lens at an angle, or done it post. Either way, all those images look damn good.

I also checked out your site and watched some of the videos there, The Vangard Band's "Rio" seems to have some type of fog filter for the first few camera shots. El's "Koldblood" might have a filter used throughout to add "glow" to the blue highlights? Or this might have been done in post?

Sorry if your not into me dissecting your videos, but you have a lot of good examples in various styles. This is exactly what I'm trying to figure out with my exploration into filters - how exactly to get different "looks".
 
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