SIGMA 70-300mm F/4.0-5.6 APO DG MACRO for Pentax

A telephoto lens from SIGMA for digital and 35mm film SLR cameras. This great lens has a minimum focus distance of 150cm throughout the entire zoom range. Due to the maximum magnification of 1:4.1, it is also suitable for macro photography. Four lenses in the system are made of low-gloss glass (SLD) to prevent chromatic defects. The maximum reproduction ratio can be switched on the lens between 200mm and 300mm. This lens has a focal length from basic 70mm up to the telephoto length of 300mm.
The lens is designed for Pentax digital SLR cameras.
Parameters and Specifications:
For DSLR:
Pentax K-mount
Optical construction:
14 groups and 10 lenses
Angle of view:
34.3-8.2°
Minimum aperture:
F/22
Minimum focus distance:
150cm
Maximum magnification ratio:
1:4.1
Filter diameter:
58mm
Dimensions:
76.6 x 122mm
Weight:
550g