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?