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: Sun Tele ys-13 f:2.8 135mm (1)

Test
Sun Tele ys-13 f:2.8 135mm
Author: Eduardo Navarro

3.75(4) 0 1459