Alley in Pisa, Italy

by Lars Kotthoff

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The length of a single cycle of a wave.

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10
votes
3answers
1k views

What type of effect is caused by different cutoff lengths for IR filters?

I'm looking at getting into IR photography, and am trying to decide what cutoff frequency filter to buy. Has anyone done a comparison of the same scenes using different filters?
6
votes
0answers
353 views

How do I avoid getting any chromatic aberration in my photographs?

Another question is how to correct it (suggested in proposals), but ... are there ways of avoiding it in the first place?
3
votes
1answer
491 views

How does the sensitivity of camera sensor behaves with the infrared filters?

I am puzzled about the behavior of camera sensor to the infrared spectrum. I have heard that the you must remove the internal infrared filter to capture infrared pictures. So, I removed it and used ...
1
vote
3answers
204 views

How does the spectral sensitivity of different sensors affect the resulting photo?

I am learning about light and color formation but I don't understand how does the sensitivity affects an image. Take for instance the different sensitivities for two "cameras" for each RGB channel ...