Why is the price between these two lens differ so much?
43047
Why do some lenses cost 10 times as much when the specs are very close?
115548
What are the differences between an entry-level DSLR and a Canon PowerShot?
96544
Why don't lens mount adapters have the same effect as extension tubes?
33875
What are the biggest differences between Reversal Rings, Extension Tubes and Macro Lenses?
63434
Technically, why is the out of focus area blurred more when using a bigger aperture?
128714
Is a UV filter better for lens protection than a protector filter?
17851
How does using a lens with some focal length on a full frame camera differ from using a lens with "equivalent" focal lens on a crop camera?
60413
Do good lenses really last a lifetime?
30241
How do different aperture and shutter settings affect a photo with the same overall exposure?
136336
How to choose a lens for my first DSLR?
84864
What is the difference between using an ND filter versus 2 polarizers?
114778
What is the difference between DX format and FX format lenses, and which to choose for what purpose?
103113
Why do zoom lenses and compact cameras have varied maximum aperture across the zoom range?
4403
Nikkor f/1.8G 35mm or 50mm?
2224
What's the difference between using a 50mm f/1.8G and a 50mm f/1.8D with a Nikon D80?
77901
Is it worth it to buy an FD-EOS adapter, or is it better to exchange a misbought lens?
109692
How does a spherical lens differ from an aspherical lens?