35mm Full-frame image sensor compatible
Compact, lightweight body and excellent cost performance
HD coating to optimize light transmittance and minimize reflection
Weather-resistant construction against humidity and dust
Quick-Shift Focus System to instantly change the AF mode to MF by twisting the focus ring
SP (Super Protect) Coating applied to the front surface of the lens to effectively repel water and grease
DC Motor to assure smooth, quiet and high-speed autofocus operation
High-precision aspherical optical elements, ED (Extra-low Dispersion) glass optical element and Anomalous-dispersion glass optical element, to deliver bright, sharp images with minimal chromatic and spherical aberrations
Rounded diaphragm to produce a beautiful bokeh

Focal Length
28-105mm

Equivalent to 35mm format
43-161mm

Maximum aperture
F3.5-5.6

Minimum aperture
F22-38

Number of Diaphragm Blades
9

Rounded diaphragm ?28mm: F3.5-6.3 105mm: F5.6-10?

Diaphragm control : Fully Automatic

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

Construction
15 elements in 11 groups

Smallest object distance
0.5m

Magnification
0.22x

Filter size
62mm

Mount
KAF3

Weight
approx. 440g / with hood approx. 463g

Dimensions (Length x Diameter)
approx. 86.5mm x 73.0mm

Kit Content
Lens Hood PH-RBC62

Lens Cap O-LC62

Lens Mount Cap K

Special Features
HD Coating, SP (Super Protect) Coating

WR (Weather Resistant)

DC Motor

Quick-shift Focus System

Optional Accessories
Lens Case S80-120