Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

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I bought a UV Filter that came with a Polarizing Filter and a Fluorescent Filter. While I understand the polarizing filter what is the point of a fluorescent filter? When I tried the filter under a fluorescent light it caused the photo to have a pink tint. (The filter itself is pink.)

Is this filter worth using? And when/how do you use it?

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This is addressed to some degree in the top answer to… – mattdm Apr 28 '12 at 18:43
up vote 3 down vote accepted

Fluorescent filters are for "converting" fluorescent light to closer to daylight (FL-D) or tungsten (FL-W). Generally speaking, with a digital camera there's not much need for a FL-* filter since you can accomplish the same thing (and more) with your camera's white balance setting. Shooting with film you would want an FL-* or some kind of magenta filter, since you cannot modify the white balance of the film.

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Indeed. Even more so if you use Auto WB then the camera will attempt to correct the coloration added by the filter. Plus, it may fail because most Auto WB systems are not perfect. – Itai Apr 28 '12 at 19:09

Fluorescent lights are usually very green. We don't notice it with our eyes, as our brains auto-correct the white balance. The best fluorescent filter is the off switch on the wall, turn them off and use other lights -- strobes, sunlight, tungsten lights, etc.

there are filters for strobes and other lights that convert their nice light to the green crud that fluorescent produce. I've not heard of a filter that can fix the sick green to something useful. You can overpower them with flash, etc.

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I completely agree that the best "filter" is the switch on the's even more difficult nowadays because "fluorescent" lights can have numerous color casts...and they're often mixed together (e.g. "Daylight" tubes mixed with old-school ones, along with "warm" ones)...making it very, very difficult to balance with any kind of filter (lens or strobe). – djangodude Apr 29 '12 at 15:47

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