Lens Description

bluestar

On the kit lens and probably any other lens they have the markings f/1:3.5-5.6G.
I understand the f/3.5-5.6G, but what does the "1:" signify?

PBked

Nothing to get hung up about. The f/1 is used largely as a matter of convention and makes the f/3.5 into a mathematical equation (for pure mathematicians only). Apertures are calculated using f/1 as a starting point and rise by 1 stop increments, although you will never see a camera lens with an aperture of f/1. The important bits for any photographer are the f/3.5 and the f/5.6.
Best regards, PBked