Tamron SP AF 90mm f/2.8 Macro 1:1 Di Lens for Pentax
The existing Tamron 90mm Macro lens is world renowned for its outstanding optical performance as well as its lightweight and compact design. Tamron have redesigned this lens to feature Di - Digitally Integrated Design for use with film and digital SLR cameras. The lens provides outstanding image quality when used with film or digital cameras. Unlike conventional lenses designed to cope with internal diffused reflections of a mirror box and film surface Di lenses offer new anti-reflection countermeasures that are essential in lenses designed for use with digital cameras. the 90mm Di features an improved coating technology that reduces the reflections that are likely to become a problem to the absolute minimum. This new 90mm Macro lens also features an improved external design and improved focusing ring.