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
35mm equivalent 31.5mm Contribute
Internal focusing more info No Contribute
Focusing
Min Focus 20cm Contribute
Stabilised No Contribute
Macro more info No Contribute
Construction
Blades 7 Contribute
Elements 8 Contribute
Groups 5 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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