Let me start with the general question: Consider the following situation. I want to take a picture of a particular object (that is, not a scenic shot). I can alter my distance from the subject ...
Is it possible to estimate (or calculate), in advance, the range of focal lengths you might need for shooting in a given scenario? For instance, suppose you will be going to the zoo (with your APS-C ...
I keep seeing people talking about focal-length of lenses without saying how large the frame is. Is there a more sensible way to talk about how much a lens “zooms”? (I have seen so many adverts ...