Pentax 21760 smc P-DA 300mm F4 ED (IF) SDM Telephoto Lens

The high performance DA 300mm ED (IF) Lens incorporates an SDM system, which creates a smoother, quieter auto focus. Featuring a Quick-shift Focus System, switching from auto focus to manual is instantaneous. Weather and dust resistant, it's the perfect lens for extreme weather conditions. Developed specifically for Pentax Digital SLRs, the DA 300mm ED (IF) SDM lens has Pentax SP coating which protects the exposed lens elements, and a focal length equivalent to 450mm in the 35mm format.

Box Content: smc Pentax DA 300mm F4 ED (IF) SDM (21760), Lens Hood PH-RBK 77mm (38758), Lens Cap O-LC77 77mm (31516), Rear Lens Cap B (31006), and Lens Soft Case S120-210 (37751)

High performance telephoto lens

SDM system creates smoother, quieter auto focus

Weather resistant and dust resistant body

Quick-shift Focus System for instant switching from auto focus to manual focus

Pentax SP coating protects the exposed lens elements

ED elements compensate for chromatic aberration

Focal length equivalent to 450mm in the 35mm format

Aperture: F4-F32

Lens Construction: 8 elements in 6 groups

Angle of View: 5.4 degrees with Pentax Digital SLR

Minimum Focusing Distance: 4.6' (1.4m)

Diaphragm Control: Fully Automatic

Diameter x Length: 3.3 x 7.2" (83 x 184mm)

Weight: 37.7 ounces (1,070 grams) without Hood