Effective focal length of kit 16-50mm lens on A6000 (APS-C 1.5x crop factor)
75334
Why do Full Frame lenses and crop body lenses exhibit the same crop factor when used on a crop body camera?
41048
If I have a 18-55mm lens, is there a point in buying a 35mm prime lens?
46148
Yongnuo YN-685 underexposure issue in bounce mode at longer focal length
152115
Can I convert binocular zoom to equivalent lens focal length?
10956
How do I choose a macro lens for a Canon APS-C camera?
10820
What is the formula for percent of frame filled at a specific distance and focal length?
138067
Why are 50mm Lenses Cheaper?
85191
Are manufacturers' Image Stabilisation ratings for zoom lenses deceptive?
14182
How to ensure sharp focus when shooting with an open aperture?
3867
is it normal to get significant lens flare with a 50mm f/1.8 prime lens?
52368
Does the diameter of the aperture increase with increases in the focal length with constant F-number(F-stops)?
22374
What methods can be used to micro-adjust autofocus of a camera body to a particular lens?
37632
How to compare the focal length of a 50mm prime lens with the default lens of a point and shoot camera?
58821
How can the aperture value written in Exif be larger than the nominal limit of the lens?
79769
Which lenses should be included in a travel photography kit?
51573
Lens upgrade paths (sub $1000) for the EF-S 18-55mm IS kit lens for Canon APS-C cameras
84007
Why are there no fast APS-C zooms beyond 55mm?