Quote:
Originally Posted by greenwing
Sorry, AMK, I agree with most of what you say (especially the bit about the 18-105) but that is just hokum. Or whatever they call it. 18mm is 18mm, until someone provides evidence that they might think it's different, which the OP didn't.
Chris
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You are correct. 18mm is 18mm on a full frame or crop sensor. What is different is the field of view, so a 18mm lens on a crop camera will give the same field view as 24mm lens on a full frame.