Pentax DA 300mm ED Lens
Pentax Updated: 2008-10-01 RSSThe 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.
Lens Mount: PENTAX KAF2
Focal Length: 300mm (equiv 460mm)
Aperture: f/4
Min Aperture: f/32
Lens construction: 8 elements in 6 groups
Angle of view: 5.4° (w/ Pentax DSLR)
Minimum focusing distance: 4.6' (1.4m)
Filter Diameter: 77mm
Maximum magnification: 0.24x
Diaphragm control: Fully Automatic
Number of aperture blades: 9
Lens Aperture Ring: n/a
Tripod Adapter: Included, demountable w/ coin
Hood: PH-RBK 77mm
Objective Cap : O-LC77
Case: S120-210
Max Diameter x Min Length : 3.3 x 7.2" (83 x 184mm)
Weight (w/o hood): 37.7 oz (1070g)
Notes: Supersonic Motor, Quick-shift Focus, SP (Super Protect) Coating, Filter Window, Detachable Tripod Mount
Instruction Manual
Specifications Manual
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