Tagged Questions
6
votes
1answer
241 views
What does “distortion <XX%” mean in lens specs?
I'm going to buy a lens and I would like to understand what "distortion <XX%" means.
It's a vari-focal 10-60mm lens, and mentions distortion <12-1%. According to my understanding, at 10mm focal ...
26
votes
2answers
2k views
How do I interpret an MTF Chart?
As part of how Canon (and other lens makers) give technical information about their lenses, they supply an MTF (Modulation Transfer Function) chart. How do I read and interpret what the chart is ...
