I'm sure many of you have encountered this issue in low light conditions; to stop down and bump the ISO, or to shoot wide open to keep noise down.
I give you a scenario; In a dimly lit room where the camera meters 1/30s f2.8 ISO800. The lens on the camera in a 30mm lens with a maximum aperture of f2.8. Would you shoot at ISO800 f2.8 and sacrifice some sharpness (most lens poor wide open), or would u stop down one stop to f4 and use ISO1600 ?
- you can handhold at 1/30 with sharp pictures, any slower will suffer camera shake
- no tripod around
- ISO800 is fairly clean, ISO1600 picture useable but noise visible (say D100)
- no... dont come out with funny ideas like bringing in studio lights, opening the windows, switching on the light, etc