What's the practical difference in an image taken at focal length of 200mm vs 300mm?
113839
How can I visualize or simulate the effect of different focal lengths?
37422
Since it's not "focal length", what is the term for the distance at which things are in focus?
42808
Simply bad focus or too big aperture?
137585
Canon 75-300mm f4-5.6 USM or 55-250mm f4-5.6 IS lens?
80997
What advantages does manual mode have over aperture priority mode?
36375
Why is it important to have a discrepancy between image and codomain?
154079
Should I buy a Canon 55-250mm lens or 70-300mm for my Rebel T3i?
140954
what's the relation between sensor size and image quality (noise, dynamic range)?
13050
Why would using higher ISO and faster shutter speed yield more noise than using lower ISO and slower shutter speed?
34118
How does taking lower-resolution pictures with a higher-resolution sensor affect image quality?
34665
What image-quality characteristics make a lens good or bad?
38537
What is the relationship between ISO, aperture, and shutter speed?
116433
Camera image in pixel to real image in meters size relation
59156
What lens is needed to change the minimal focus distance length of my camera?
39233
Would it be better to use a 35mm prime instead of a 50mm prime on a cropped sensor body?
63434
Technically, why is the out of focus area blurred more when using a bigger aperture?
71754
Why do two zoom lenses set to 200mm on the same camera produce different fields of view?