What is the difference between the AF-S 50mm f1.8G and the AF 50mm 1.8D?
19213
What do all those cryptic number and letter codes in a lens name mean?
148161
Sharpness and bokeh comparison of Nikon 50mm f/1.2, f/1.4G and f/1.8G
49187
What is focal length and how does it affect my photos?
80219
What is the relationship between field of view and focal length for fisheye?
44637
What are the constructional differences between a macro and a regular lens?
71343
Is there a noticeable difference between 1.8 and 1.4 prime lenses?
156717
What are the differences between the Canon extenders?
128752
What are the advantages and disdvantages of the Canon 18-55 IS MKII vs IS STM kit lenses?
129246
Will Nikon AF-S "G" lenses autofocus on D3xxx bodies?
46153
When do the differences between APS-C and full frame sensors matter, and why?
30241
How do different aperture and shutter settings affect a photo with the same overall exposure?
112891
Why does the max aperture change when use Nikon 60mm AF-D Micro on D90 camera?
148416
What do the different Canon DSLR image size settings mean?
96544
Why don't lens mount adapters have the same effect as extension tubes?
135149
How do camera body motors compare to in-lens motors for focusing?
41934
How do zoom, magnification, and focal length relate?
113294
Why is my Metz 58 AF-2 using long shutter values when my Canon 60D is in Av mode?