Pentax SMC-F 135mm f/2.8 IF

no photoA fast medium telephoto
Discontinued more info Yes Contribute
Year announced 1987 Contribute
Lens Mounts
  • Pentax K SMC-F
Focal Type Telephoto Contribute
Focal Length more info 135mm Contribute
Angle of View more info 0 - 18 Contribute
Max Aperture more info f/2.8 Contribute
Min Aperture more info f/32 Contribute
Filter Size more info 52mm Contribute
Stabilised No Contribute
35mm equivalent No Data Contribute
Internal focusing more info No Data Contribute
Maximum magnification more info No Data Contribute
Min Focus 70cm Contribute
Macro more info No Contribute
Focusing modes more info
    Blades 9 Contribute
    Elements 8 Contribute
    Groups 7 Contribute
    Weather-sealed more info No Data Contribute
    Box Contents
    Box Contents more info No Data Contribute
    Weight 375g Contribute
    Height 80mm Contribute
    Diameter 65mm Contribute
    MTF Data
    Effective focal length 130mm Contribute
    Weighted MTF 135 mm: f2.8 0.72 | f4 0.75 | f8 0.79 Contribute
    Average Weighted MTF 0.77 Contribute
    Weighted MTF 10 lp/mm 0.88 Contribute
    Weighted MTF 20 lp/mm 0.73 Contribute
    Weighted MTF 40 lp/mm 0.42 Contribute
    Distortion No Data Contribute
    Grade 3.5 Contribute
    Photodo MTF Score 3.5 Contribute

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