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Warming FIlters for Digital?
Old 09-07-2004, 11:30 AM   #1 (permalink)
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How many of you use optical warming filters (81 or 85) while shooting digital rather than relying on PS's warming filters? If so, why do you prefer to do so? i.e., do you see a difference between using optics vs. software or is it just to see the results while shooting?
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Re: Warming FIlters for Digital?
Old 09-07-2004, 12:36 PM   #2 (permalink)
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If I want a warmer image right out of the camera, I just set a warmer white balance. I usually use a product called Warm Cards to set my white balance. If I had a camera like the 10D or equivelent I would just set a warmer white balance directly in the camera without doing a custom white balance. Personally I find no use for optical warming filters with digital.
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Re: Warming FIlters for Digital?
Old 09-07-2004, 01:42 PM   #3 (permalink)
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I typically warm up my photos in camera. I shoot with a 10D and can easily change the color temperature with a custom WB setting or using one of the presets, ie use cloudy on a sunny day to warm it up. I also shoot RAW, so I am able to change the color temperature post production with no image quality loss. Exposure isn't so forgiving. It still helps to get it right in camera, but when viewing the images, I usually warm or cool them down just a little bit. So, I guess I do a little of both.

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Re: Warming FIlters for Digital?
Old 09-07-2004, 08:55 PM   #4 (permalink)
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I do it in Photoshop... I have more control..

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White-balance at 6000K or Warmcards.com
Old 09-08-2004, 01:11 AM   #5 (permalink)
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The one thing to remember, the lens on your camera is only as good as the last piece of glass on it--a $5,000 lens with an uncoated filter is like a $5 lens. I'm not saying you're using uncoated filters, what I'm saying why use a glass "colored" filter on a digital camera? Even in shooting film, select the warmer emulsions.

On my Olympus E-1 I can dial in the white-balance to the exact kelvin degree, by setting it at 6,000 K, I'm telling the camera my light source is cool, when in fact if I'm shooting with a daylight source, the camera is "fooled" into believing the light is "cool" so it naturally warms it up. You can also shoot in the RAW mode and "assign" the correct color temp later.

Finally, the coolest way, no pun intended, use the Warm Cards found right here on GG...thanks, rg sends!
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Re: Warming FIlters for Digital?
Old 09-08-2004, 08:18 AM   #6 (permalink)
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I guess I'm odd man out. I white balance the camera to neutral and then I use high-quality glass filters to warm, soften, etc. I guess it is a throw back to analog days, but it prevents me from having to re-WB for different temps and it saves times in post production. Most of my shoots are for family, seniors, etc., so I don't want to have to spend as much or more time adjusting all images that I will show them than I did to shoot them. That is my workflow. You should pick whatever suits your needs.

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Re: Warming FIlters for Digital?
Old 09-09-2004, 12:48 AM   #7 (permalink)
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Personally, I would shoot the pic as close to neutral as possible, and then use photoshop for any color balance change just so that you still have the original file to go back to that dosn't have any changes on it.

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Re: Warming FIlters for Digital?
Old 09-09-2004, 03:37 AM   #8 (permalink)
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thanks for everyone's input. my question originated because one of the photo magz, it might have been shutterbug (i'm not sure, i read so freakin' many of them), published an article recently and in it the writer recommended optical warming even for digital. So I thought I'd see if anyone here's doing that.

i also shoot with a 10D as some of you mentioned.

much of what and when i shoot is connected to a video shoot where i am usually the DP and also I'll shoot stills. my lighting guy always has a color meter handy so i can check exact color temp whenever i want... and then, of course, dial it in.

personally, i don't use warm cards. instead, i'll sometimes use a 1/8 blue gel in front of the lens while shooting a white card... if i want an even a warmer image, i.e., overly warm, i can use 1/4 blue. this is essentially the same as using warming cards. it's the same process when warming the video cameras (which, these days, are usually digital). in video, we're often mixing light sources of varying color temps. for instance, we might light most of an interior set with tungsten, but use HMIs (daylight hotlights) for an edge or blown through a window to emulate the look of exterior daylight. some of the tungsten is gel'd with varying colors for effects. color correction in video post is more labor/skill intensive than with still photography (PS), so we work hard to nail down the color temp where we want it. I sometimes shoot stills without filling with a strobe, i.e., using the set's continuous hot-lights, so i'll go with whatever we went with for the digital videocams.... color temp-wise... which is often tungsten (for the key) for interiors.

Course... shooting in RAW, as some of yu noted, makes the color temp process nearly fool-proof.

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