Why don't we have a single lens e.g. say a 18-200 f/1.2 lens for the SLR camera?
12994
Is it physically possible to build a long zoom (17-300 mm for example) at an aperture value of around 1.4 or 1.2?
11996
How do I find the right size of filters for a lens?
57920
Does it make sense to put an expensive lens on a cheap camera?
59156
What lens is needed to change the minimal focus distance length of my camera?
47999
How do you find out the "sweet spot" of a lens?
88406
What does different focal length offer me?
54122
Why does using a tilt-shift lens make things look miniature?
132425
What type of lens will auto-focus on Nikon bodies without a focus motor?
40865
What should I do when I have lenses with different filter thread sizes?
22374
What methods can be used to micro-adjust autofocus of a camera body to a particular lens?
113163
Why do some lenses focus past infinity?
92561
How do I choose a camera for macro photography without considering special lens?
31075
What can be done using a 18-55mm lens?
133059
How to select lenses for outdoor sports photography?
96544
Why don't lens mount adapters have the same effect as extension tubes?
145622
How do constant aperture zoom lenses work?
22605
Is image stabilization a necessary feature for wide angle lenses?