Ledendary Tamron Sp 52b
specification
Focal length : 90 mm Macro 1:2
Maximum aperture : F 2.5
FILTER : 49 mm
Weight :0.42 kg
Min focusing range : 0.39 m
This has been clain that was design by leica.Perform well with Tamron adaptall 2x convertor which turn it to become macro 1:1. this lens really work well with adaptall sp 2X verysharp .I could say very lilttle sharpness loss in macro photography.
picture capture by E3 , Tamron 90mm + tamron sp2X+ olympus ring glash T10
