Lightnings taking a ride

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A color filter applied to a light.

learn more… | top users | synonyms

0
votes
1answer
48 views

Gel circular polarising filter

I am contemplating buying a lens that only takes rear gel filters. Is it possible to buy a circular polarising filter in gel format? If so, who can supply them (preferably UK based)?
0
votes
1answer
116 views

Why do SLRs and DSLRs use different flash gels?

I occasionally use gels to match my flash to ambient lighting. It’s easy to find green gels (CTG) to match fluorescent lights and orange gels (CTO) to match incandescent. However, in my experience, ...
0
votes
2answers
236 views

Color issue: studio images have a pink hue

I have a small home studio and use 2 x 250 flash heads, and a white vinyl background. I use a Canon 5D Mk II and generally shoot at 1/125 and f11-13. My problem is my images all have a pink hue to ...
0
votes
1answer
163 views

What's the best way to use a flash and colour gel as a back light?

I want to know what is the best way of setting up a background flash with a coloured gel in a studio setting. I had a play around with this on Saturday. I started with a white background infinity ...
9
votes
4answers
1k views

Why are gels used for digital photography?

What is the purpose of color-adjusting light sources with gels in digital photography? Are they reserved exclusively for scenarios in which one wants different colors from different lights? I assume ...
4
votes
2answers
354 views

How to measure light so I know which gel to use?

Is there a device that can measure the color of the light so I can know which gel to use on my flash? I have a pack of gels but it's not that accurate to just choose by eyeballing the color of the ...
3
votes
1answer
165 views

Bad halo with gelled speedlite on background

Once a week I photograph adoptable animals at the local humane society. We always shoot against a white seamless background. To mix things up, typically we throw a gelled speedlite on the background. ...
4
votes
2answers
184 views

Will using a CTO gel help make my flash less distracting in a cafe?

I sometimes encounter a situation where using a flash would greatly enhance the pictures because of the low ambient light, but I don't use the flash as it is mighty distracting in a low-light cafe/bar ...
3
votes
2answers
94 views

Do flash gels affect flash output?

Will flash gels affect the output of the flash? It seems that your are diffusing it to some extent and would need to compensate for it.
6
votes
2answers
2k views

How do rear gelatine filters compare optically with “regular” front-mounted filters? Where to buy them? How to cut them?

I have a few lenses with with a rear filter holder so I would be curious to know how the rear "gel" filters compare with regular front-mounted filters in terms of optical performance. Until ...
1
vote
2answers
3k views

Why would I use a rear gelatin filter over a front filter?

Lenses such as the Canon EF 17-40mm f/4 L USM offer rear gelatin filter holders, but also accept front filters via a 77mm screw on type. If I was using a circular polarizer, I would need to put it on ...
5
votes
3answers
4k views

For a novice to flash, what color correction gels would be best to experiment with?

I recently purchased a Canon Speedlight 430EX II, and have been experimenting with the flash on my camera. I have also ordered a 6 foot off-camera flash cable and a bracket that will allow me to move ...
10
votes
3answers
10k views

An inexpensive way to make DIY gels?

Have any of you found a way to make inexpensive gels? I'd like to try using a few colors with my lights but have found most shops are mighty proud of theirs. My son saw me looking at them online and ...
7
votes
1answer
5k views

When would you use CTS (Straw) gel instead of CTO?

The Roscolux sampler pack contains several strengths of both CTO (Color Temperature Orange) and CTS (Color Temperature Straw?). The CTS seems to be a bit yellower than CTO. What situations would you ...
13
votes
4answers
796 views

How do you carry flash gels?

I recently obtained a Rosco swatch book with about a million different speedlight-sized gels. However, the gels are hard to use while still attached. Before I break them apart, I want to make sure I ...
4
votes
3answers
345 views

What is a source for small pieces of thin, high-quality, polarizing film for use with rear-filter lenses?

I have some pieces of polarizing film from polarization.com, which are reasonably good and not too expensive, but I have some problems with them: They are too thick (only just fit in the filter ...
17
votes
1answer
603 views

Why are photographic gels called “gels”?

This question has been bugging me for a while, as I've been digging through filters on Adorama and B&H and various other sites for days now. I keep seeing numerous types of filters often tagged as ...