The aperture on this lens is set for f2.8 It is almost fully open, and so lots of light can pass through
Intro to aperture, shutter speed and ISO: Part I Aperture
Galen\’s twitter feed
Countries that’ve seen me
Intro to aperture, shutter speed and ISO: Part I Aperture
The aperture on this lens is set for f2.8 It is almost fully open, and so lots of light can pass through
Galen Leeds Photography 
