I am trying my hands around using Depth of field preview button with my Nikon D90 and its 18-105mm Kit lens. I read some online material as well have seen some videos about using it, but so far I'm ...
I'm fairly new to DSLRs and I've been exploring the functions on my new Canon 60D. There's a button to the side of the lens described as the "depth-of-field preview button". Based on the limited ...