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 APO Zoom 50-200mm f/3.5-4.5 (3)

Palm leaf
Sigma APO Zoom 50-200mm f/3.5-4.5
Author: Wolf

1(1) 0 2041

 

Oleander blossoms
Sigma APO Zoom 50-200mm f/3.5-4.5
Author: Wolf

2(1) 0 2112

 

Snail
Sigma APO Zoom 50-200mm f/3.5-4.5
Author: Wolf

1(1) 0 2001