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.

Features:

• 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
• Developed specifically for PENTAX digital SLRs
• Focal length equivalent to 450mm in the 35mm format

  Specifications:

  Lens Mount:

• PENTAX KAF2

  Focal Length:

• 300mm (equivalent 460mm)

  Aperture:

• F4

  Minimum Aperture:

• F32

  Lens Construction:

• 8 elements in 6 groups

  Angle of View:

• 5.4 degrees (w/PENTAX DSLR)

  Minimum Focusing Distance:

• 4.6' (1.4m)

  Maximum Magnification:

• 0.24X

  Filter Diameter:

• 77mm

  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

  Maximum Diameter x Minimum Length:

• 3.3 x 7.2" (83 x 184mm)

  Weight (w/o Hood):

• 37.7 oz. (1,070g)

  Notes:

• Supersonic motor, Quick-shift focus, SP (Super Protect) coating, Filter window, Detachable tripod mount