If you are able to carry another lens, then seriously consider a really wide-angle lens, like a 10-22mm or a 12-24mm lens ... extreme—not much good for night photography. Going Creative and ...

Sharpness centrally is good from T1.9 to ... actual transmission value of a lens. Lenses lose brightness as the light travels through and in the case of stills photography the difference is ...

G Master is finally here! The lens that landscape and astrophotography enthusiasts have been dreaming of. BUY ONE HERE: <a ...

Central sharpness is excellent at f/1.4 and f/2, outstanding from f/2.8 to f/5.6, excellent at f/8 and very good at f/11 and ... is very acceptable for a 24mm lens.