How do I find infinity focus with a kit lens when there's not enough light for optical verification?
94098
How can I find infinity focus on a kit lens with no markers?
62822
How can lens cause consistent front or back focus?
38553
How can I add Lens Flares/Halos?
58922
How do I capture artificial light sources better?
145622
How do constant aperture zoom lenses work?
19362
Can a smaller sensor's "crop factor" be used to calculate the exact increase in depth of field?
148895
Why can't I turn the focus ring on my Vivitar 100-300mm far enough to get infinity focus?
133548
How can a speedbooster improve the light performance of a lens?
75016
How to nail focus for DSLR astrophotography?
4389
How can a lens with a single focal length focus on more than one plane?
123305
ND Filter not Dense enough - How do I get long exposures in very bright situations, where my ND filter isn't enough?
52215
How do I create a wide-angle / fisheye lens with HLSL?
48375
How do I calibrate the diopter correction on my DSLR's viewfinder?
94271
What is the reference plane used when the minimum focus distance is measured?
76237
What do I need for extreme macro photography?
30788
Is the camera sensor or the lens the limit to resolution?
26351
What macro techniques offer an alternative to expensive optics?