Pentax HD PENTAX-DA 21mm f/3.2 AL Limited

Pentax HD PENTAX-DA 21mm f/3.2 AL LimitedManufacturer's Description:

"An Interchangeable Wide-Angle Lens for PENTAX Digital SLR Cameras,
Featuring Ultra-Thin Pancake Design and Versatile Angle of View"
Availability
Discontinued more info No Contribute
Year announced 2013 Contribute
General
Lens Mounts
  • Pentax K SMC-DA
Contribute
Focal Type Wide Contribute
Lens
Focal Length more info 21mm Contribute
Angle of View more info 68 Contribute
Max Aperture more info f/3.2 Contribute
Min Aperture more info f/22 Contribute
Filter Size more info 49mm Contribute
Stabilised No Contribute
35mm equivalent 31.5mm Contribute
Internal focusing more info No Contribute
Maximum magnification more info No Data Contribute
Focusing
Min Focus 20cm Contribute
Macro more info No Contribute
Focusing modes more info
    Contribute
    Construction
    Blades 7 Contribute
    Elements 8 Contribute
    Groups 5 Contribute
    Weather-sealed more info No Data Contribute
    Box Contents
    Box Contents more info No Data Contribute
    Dimensions
    Weight 140g Contribute
    Height 25mm Contribute
    Diameter 63mm Contribute
    MTF Data
    Effective focal length No Data Contribute
    Weighted MTF No Data Contribute
    Average Weighted MTF No Data Contribute
    Weighted MTF 10 lp/mm No Data Contribute
    Weighted MTF 20 lp/mm No Data Contribute
    Weighted MTF 40 lp/mm No Data Contribute
    Distortion No Data Contribute
    Grade No Data Contribute
    Photodo MTF Score No Data Contribute

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