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."
Discontinued more info No Contribute
Year announced No Data Contribute
Lens Mounts
  • Canon EF
  • Minolta AF
  • Nikon AF D
  • Pentax K SMC-FA
  • Sigma SA
Focal Type Standard zoom Contribute
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
35mm equivalent No Data Contribute
Internal focusing more info No Data Contribute
Min Focus 50cm Contribute
Stabilised No Contribute
Macro more info No Contribute
Blades 8 Contribute
Elements 12 Contribute
Groups 11 Contribute
Box Contents
Box Contents more info No Data Contribute
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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