HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WRA compact, lightweight standard zoom lens for use with PENTAX K-mount digital SLR cameras. It allows a high resolving power combined with outstanding maneuverability to be the perfect partner for the new PENTAX K-1.
Despite its compact, highly maneuverable body, this versatile zoom lens is designed to accommodate the image circle of a large 35mm full-frame image sensor, thanks to the adoption of state-of-the-art optics and high-performance optical elements. When mounted on the PENTAX K-1 camera body, it delivers high-resolution imaging power, making it an ideal everyday-use lens for this new 35mm full-frame digital SLR camera.
HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR
(when attached to PENTAX APS-C size DSLR cameras)
Angle of View
75-23.5°(when attached to PENTAX 35mm full-frame SLR cameras)
53-15.5°(when attached to PENTAX APS-C size DSLR cameras)
15 elements / 11 groups
No. of diaphragm blades
Closest focusing distance
0.5m (1.64 ft.)
Maximum reproduction ratio
Diameter x length
approx. 73.0mm x 86.5mm (approx. 2.9in. x 3.4in.)
approx. 440g / with hood approx. 463g
(approx. 15.5oz./ with hood approx. 16.3oz.)