 Marnie Bigelow |
Tungsten lighting Marnie
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Bob Cammarata |
Marnie, I checked out your Gallery and saw that you are using a film SLR. Why not just get a tungsten-balanced film? They are recognized with a "T" on the packaging and are available in print and slide films. I've done some work with the ones from Fuji and Kodak with great success.
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Marnie Bigelow |
Hey Bob, the problem with the tungsten balanced film is that I take a lot of shots out side also. So thenmy out side shots would be blue. I believe thats right. I haven't actually tried it outside though, but I'm pretty sure that's how it works.
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Bob Cammarata |
That's very true! You can't do both unless you compensate for the outside sunlight as well but that means another filter,...(specifically, an 85-B). It's much easier to work with color-corrective filtration outdoors since it's usually brighter outside and easier to see what going on in the viewfinder. That said, I prefer not to use filters at all but to just change the film mid-roll if I'm going from outside to inside (or vice-versa). When it comes time to re-load that film, keep your lens cap on and advance to one or two frames beyond the number written on the cannister and start shooting as normal.
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Mark Feldstein |
No Marnie, a silver umbrella (or any umbrella for that matter) won't solve your amber color shifting problem. The way to do that is either use the appropriate correction filter with day- light balanced film (5500 K); switch to tungsten film which is balanced for lighting temperatures about 3400K; or attach a gel filter holder to your lights and insert the proper correction filter, e.g., blue or amber or some variation depending on the color temperature of your hot lights. As some additional information, if you're doing work that requires precise color corrections, then you need to know what color temperature your lights are operating at since tungsten lights change as they mature. Or, you can rent a color temperature meter and set of color correction filters. And, btw, some of the correction can be made by a good lab tech who knows how to correct daylight film to tungsten light. Lastly, remember that when you add filters to correct your lighting, you're going to lose some f-stops and have to open up your lens or lower your shutter speed to compensate for them. Take it light.
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Marnie Bigelow |
Thanks a lot Mark. Very helpful advice. Sucks that the umbrella wouldn't work though, seems like that would be an easy fix. Oh well. I guess I'll have to go with the color balanced film. Is that what every one does or can you actually get lighting that is the right color without using the gel filters? Can I just get a better bulb? Thanks again for the advice. :)
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Bob Chance |
Marnie: One other option you could consider is replacing you current tungsten bulb with ones that are balanced to daylight. Granted, these bulbs are blue, but probably not as noticable as viewing normal tungsten lights through a blue filter. It will give you the advantage of being able to shoot daylight balanced film both indoors and outdoors without have to change film in mid roll. These bulbs are not cheap compared to common household bulbs, probably two to three times the cost. They may not be perfectly daylight balanced, and the color temp will shift as the bulbs warm up and age. But here again, considering the other altenatives, could be something worth looking into. Bob
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