Is 70mm really necessary? Wouldn't it work with 35mm too?
116077
What exactly is 70mm print and why does anyone care?
54122
Why does using a tilt-shift lens make things look miniature?
10570
Does sensor size affect lens distortion?
150144
Is it safe to change the lens on my new DSLR?
53448
Do bigger focal lengths capture more light?
113163
Why do some lenses focus past infinity?
39233
Would it be better to use a 35mm prime instead of a 50mm prime on a cropped sensor body?
110350
Is it better to shoot with a higher ISO, or use lower ISO and raise the exposure in post-processing?
87470
Is it reasonable to use a ring flash that encircles the lens for non-macro (general) shots?
73874
Does the quality of a UV filter make a difference when used with a cheap lens?
11607
What lenses to bring while traveling? One good wide-telephoto or several smaller ones?
60413
Do good lenses really last a lifetime?
26351
What macro techniques offer an alternative to expensive optics?
101960
Why are crop lenses indicated with focal lengths they don't have?
79769
Which lenses should be included in a travel photography kit?
38559
Is it worth investing in a used 35 mm Film camera?
132064
Do I need a slim or normal polarized filter for a wide angle lens?