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by Aditya

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1
vote
1answer
38 views

Can I measure the Wratten Number of a Filter?

I bought a cheap set of no-name color filters, for use in Black & White photography. Unfortunately, there are no Wratten numbers on them. In the comments, one person gives the exposure numbers he ...
3
votes
3answers
92 views

How do I rig up a color filter for my Sigma 8-16mm Ultrawide?

I am a bit confused... I'm not sure if the cokin system will work on my lens, as my lens doesn't have threads for a filter. I've found that placing a Z series cokin filter in front of the lens will ...
4
votes
3answers
872 views

Which filter do I need to perform NDVI measurements?

I have Nikon D70s DSLR camera and i would like to modify it for NDVI (Normalized Difference Vegetation Index) measurment. I am looking for the filter that can pass effectively RED and NIR band but ...
2
votes
2answers
6k views

Is a fluorescent filter worth using, and how and when?

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 ...
7
votes
2answers
667 views

How to determine optimal color correction filters for a sensor?

Originally, this question was titled: How to detemine native color temperature of a sensor? For questions about warming filters and color filters in general, leading answers indicate that for optimal ...
9
votes
3answers
1k views

How can using a color filter help to improve a black and white photo?

Okay, so I know that using a color filter can have some desirable effects, for instance, if you use a certain color filter, it will diminish the effects of any skin problems a person has. What color ...
9
votes
3answers
468 views

Is there any advantage in using in camera digital color filters for B&W?

Custom camera settings allow me to select, for example, a red filter (as I only work in B&W this is an advantage), is there any advantage to using this digital in-camera filter over a real red ...
41
votes
8answers
5k views

Are there reasons to use colour filters with digital cameras?

Digital photos can have colour filters applied after the fact by software, so are there any good reasons to use colour filters with a digital camera? As I understand it, the main reason for them ...