Tamron AF Aspherical 28-300mm f3.5-6.3 (model 185D) for Pentax K  type_Measuring A professional full-frame ultrawide lens

A professional full-frame ultrawide lens with Canon's premium L glass and construction

2 aperture and beautiful image quality for stills or video

Nikon 80-400mm f4

The RF mode is a magnified image of the rangefinder only- basically an optical version of the Live View zoom mode on newer mirrorless cameras that makes accurate focusing easy

Aperture coupling is pre-AI pin style

Tamron AF Aspherical 28-300mm f3.5-6.3 (model 185D) for Pentax K &nbsptype_Measuring A professional full-frame ultrawide lensTamron AF Aspherical 28 300mm f3. 5 6. 3 (model 185D) zoom lens for Pentax K mount SLRs. This lens can be used on almost any K mount SLR, from the earliest manual focus models to the newest digital ones so if you're looking for an "all purpose" lens and you've got a Pentax camera, there's a pretty decent chance that this one will do the trick. In very good condition.