Sigma 28-105mm f/2.8-4 DG

Sigma 28-105mm f/2.8-4 DGManufacturer's Description:

"Large Aperture Standard Zoom Lens

The use of aspherical lens allows a large aperture F2.8 (at the wide-angle setting) in a compact body. It also reduces aberration and improves optical performance. SIGMA's unique four-group zoom system satisfactorily compensates for astigmatic aberration and distortion aberration throughout the zoom range."
Availability
Discontinued more info No Contribute
Year announced No Data Contribute
General
Lens Mounts
  • Canon EF
  • Minolta AF
  • Nikon AF D
  • Pentax K SMC-FA
  • Sigma SA
Contribute
Focal Type Standard zoom Contribute
Lens
Focal Length more info 28mm - 105mm Contribute
Angle of View more info 24 - 76 Contribute
Max Aperture more info f/2.8 - f/4 Contribute
Min Aperture more info f/22 - f/32 Contribute
Filter Size more info 72mm 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 50cm Contribute
Macro more info No Contribute
Focusing modes more info
    Contribute
    Construction
    Blades 8 Contribute
    Elements 12 Contribute
    Groups 11 Contribute
    Weather-sealed more info No Data Contribute
    Box Contents
    Box Contents more info No Data Contribute
    Dimensions
    Weight 405g Contribute
    Height 81mm Contribute
    Diameter 77mm 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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