All About Photographic Lenses.
Specifications, comparison, reviews, MTF-charts for lenses by Canon, Nikon, Sony, Pentax, Olympus, Sigma, Tamron, Carl Zeiss, etc.

Schneider-Kreuznach Retina-Xenar 50 mm f/ 2.8 used:

NameFull namePlaceScoresRank
1Hucky HuckyFlensburg240.9lvl.2 (Lens-Adept)
2likan 632.344lvl.3 (Lens-Competent)
3Nic Smith 33.9lvl.1 (Lens-Learner)
4Ryan Royal 51.5lvl.1 (Lens-Learner)
5mos0711 76.4lvl.1 (Lens-Learner)
6Greg SellDoc GunsmokeDodge City344.401lvl.3 (Lens-Competent)