All About Photographic Lenses.
Specifications, comparison, reviews, MTF-charts for lenses by Canon, Nikon, Sony, Pentax, Olympus, Sigma, Tamron, Carl Zeiss, etc.
Photos taken with a lens: Sigma UC Zoom 70-210 mm f/ 4-5.6 MF (2)

Paint brush at aperture 8
Sigma UC Zoom 70-210 mm f/ 4-5.6 MF
Author: Tom_GER

2.67(3) 0 1397

 

Paint brush at aperture 4
Sigma UC Zoom 70-210 mm f/ 4-5.6 MF
Author: Tom_GER

3(4) 0 1581