TAMRON AF SP 90mm F/2.8 Di Macro 1:1 for Pentax

This light super performance macro-lens offers a 1:1 magnification ratio and pin-sharp images with beautifully blurred backgrounds that make your subject stand out. The Di version was adapted to the demands of digital SLR cameras and characterized by a new multi-coating with which the stray-light behaviour of the lens was optimised. The Tamron 90mm is often called the "portrait macro", because the focal length is also ideally suited for portraits. 

Base Type: Pentax-Samsung
Lens Type: AF lens with fixed focus
Minimum focus distance: 90mm
The maximum focal length: 90mm
Number of elements/groups:
10/9
Maximum aperture:
32
The maximum zoom ratio (1: x): 1
Minimum focusing distance: 29cm
Length:
97mm
Thread diameter:
55mm
Weight:
405g

Type of sun visor:
Circular