Why do camera bodies and some lenses both have autofocus / manual switches?
46343
When changing between manual and auto focus, should I change the setting on both the body and the lens?
117216
Difference between focusin/focusout and focus/blur, with example
94456
Why does my one lens have different exposure (t-stop) than my other lens?
80777
Canon 700d - lens does not move when focusing?
96641
Why won't my new Canon Rebel T3i take a picture with the 18-55mm lens in autofocus mode?
36265
Why do I get blurry pictures when I take a lens attachment off?
106404
How to lock speed dials on Nikon DSLR (D600) while in manual mode
135149
How do camera body motors compare to in-lens motors for focusing?
54122
Why does using a tilt-shift lens make things look miniature?
26476
Should I buy a camera with kit lens, or body plus lens separately?
132425
What type of lens will auto-focus on Nikon bodies without a focus motor?
138056
Is there any benefit to manual settings when you can change just about everything with post production?
67264
What makes a camera an "SLR"?
130570
Why can't my SLR autofocus on certain parts of a scene?
104812
What differences exist between third-party and official lenses for Canon APS-C DSLRs?
101960
Why are crop lenses indicated with focal lengths they don't have?
145622
How do constant aperture zoom lenses work?