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

Pentax 55 mm f/ 1.8 SMC used:

NameFull namePlaceScoresRank
1likan 632.344lvl.3 (Lens-Competent)
2Sean TengSean Teng SeanTaipei571.951lvl.3 (Lens-Competent)
3Livio Vodopivec 12.2lvl.1 (Lens-Learner)
4lesica 16.6lvl.1 (Lens-Learner)