Why is my Nikon d3100 with 18/55 lens suddenly fuzzy?
128401
Why is sharpness lost in my DSLR viewfinder?
100527
What is causing the strange lighter circles in images taken with my Canon 15-85?
43959
How do I prevent a Nikon D3100 from resetting the file image numbering each time?
129196
Does crop factor still apply to a vintage film SLR lens?
9259
How compatible are my old Nikon lenses?
148588
Lens correction in darktable when my lens isn't known?
80777
Canon 700d - lens does not move when focusing?
77901
Is it worth it to buy an FD-EOS adapter, or is it better to exchange a misbought lens?
149229
Can I make custom bokeh shape using a 18-55mm Nikkor lens?
14182
How to ensure sharp focus when shooting with an open aperture?
7818
How can I get dramatic shallow DOF with a kit lens?
21523
How can aperture be f/11 on a lens with an aperture range designation of 3.5-5.6?
130570
Why can't my SLR autofocus on certain parts of a scene?
46148
Yongnuo YN-685 underexposure issue in bounce mode at longer focal length
81881
Why does my Nikon D3100 give the error "Lens not attached" with a Vivitar 200 telephoto lens?
100040
How can I avoid soft dull "spots" in my pictures?
94456
Why does my one lens have different exposure (t-stop) than my other lens?