Pentax SMC FA 28-105mm f/4.0-5.6

no photoManufacturer's Description:

"The smc FA Zoom 28mm-105mm f/4-f/5.6 standard zoom lens is an ideal lens for portraiture photography. It provides a focal length range from 28mm wide angle to 105mm telephoto, and an internal focusing system for faster and smoother focusing. Like all PENTAX lenses, the FA Zoom 28mm-105mm f/4-f/5.6 features smc coating to maximize light transmission and produce sharp, high-contrast images while minimizing flare and ghost imaging."
Availability
Discontinued more info Yes Contribute
Year announced 1992 Contribute
General
Lens Mounts
  • Pentax K SMC-FA
Contribute
Focal Type Standard zoom Contribute
Lens
Focal Length more info 28mm - 105mm Contribute
Angle of View more info 24 - 75 Contribute
Max Aperture more info f/4 - f/5.6 Contribute
Min Aperture more info f/22 Contribute
Filter Size more info 58mm Contribute
Stabilised No Contribute
35mm equivalent No Data Contribute
Internal focusing more info No Data Contribute
Maximum magnification more info No Data Contribute
Focusing
Min Focus 43cm Contribute
Macro more info No Contribute
Focusing modes more info
    Contribute
    Construction
    Blades 8 Contribute
    Elements 13 Contribute
    Groups 11 Contribute
    Weather-sealed more info No Data Contribute
    Box Contents
    Box Contents more info No Data Contribute
    Dimensions
    Weight 515g Contribute
    Height 95.5mm Contribute
    Diameter 72.5mm Contribute
    MTF Data
    Effective focal length 29-101mm Contribute
    Weighted MTF 28 mm: f4 0.68 | f8 0.76 40 mm: f4.5 0.73 | f8 0.76 70 mm: f5 0.77 | f8 0.81 105 mm: f5.6 0.65 | f8 0.73 Contribute
    Average Weighted MTF 0.74 Contribute
    Weighted MTF 10 lp/mm 0.85 Contribute
    Weighted MTF 20 lp/mm 0.68 Contribute
    Weighted MTF 40 lp/mm 0.43 Contribute
    Distortion No Data Contribute
    Grade 3.2 Contribute
    Photodo MTF Score 3.2 Contribute

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