SIGMA 105mm F2.8, EX DG pro Pentax

High-performance medium-sized telephoto lens with a macro lens optimized for digital SLR zrcadlovky.Super multi-layering lenses reduces glare and plavající pigment, which often occurs when using digital SLR SLR camera.Ensures high contrast and excellent image quality at all angles.Includes a screw lampshade for convenient use of polarization filters.Allows you to attach 77 mm filter before the lampshade.
And specifications:
For zrcadlovky brands:
Pentax
Optical song:
10 groups and 11 lenses

Viewpoint:
23.3 degrees

Mincurtain:
F32

Minfocusing distance:
31.3 cm
The ratio of views:
1:1
Average filter:
58 mm
Dimensions:
74 mm x 97th5 mm
Weight:
457 g