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Tamron SP AF 20-40mm f/2.7-3.5 Aspherical (IF)

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Rating: 4.5 out of 54.5 out of 54.5 out of 54.5 out of 54.5 out of 54.5 out of 5

No description
Discontinued No Edit
Year announced No Data Edit
Lens Mounts
  • Nikon AF D
  • Canon EF
  • Minolta A
Focal Type Wide-angle zoom Edit
Focal Length 20mm - 40mm Edit
Angle of View 57 - 95 Edit
Max Aperture f/2.7 - f/3.5 Edit
Min Aperture f/22 Edit
Filter Size 77mm Edit
35mm equivalent No Data Edit
Internal focusing No Data Edit
Min Focus 50cm Edit
Stabilised No Edit
Macro No Edit
Blades 6 Edit
Elements 15 Edit
Groups 12 Edit
Box Contents
Box Contents No Data Edit
Weight 525g Edit
Height 81mm Edit
Diameter 81.5mm Edit
MTF Data
Effective focal length 20-39mm Edit
Weighted MTF 20 mm: f2.7 0.71 | f4 0.77 | f8 0.79 28 mm: f2.8 0.70 | f4 0.76 | f8 0.81 40 mm: f3.5 0.71 | f8 0.82 Edit
Average Weighted MTF 0.78 Edit
Weighted MTF 10 lp/mm 0.88 Edit
Weighted MTF 20 lp/mm 0.73 Edit
Weighted MTF 40 lp/mm 0.50 Edit
Distortion No Data Edit
Grade 3.7 Edit
Photodo MTF Score 3.7 Edit

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