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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
Stabilised No Edit
35mm equivalent No Data Edit
Internal focusing No Data Edit
Maximum magnification No Data Edit
Min Focus 50cm Edit
Macro No Edit
Focusing modes
    Blades 6 Edit
    Elements 15 Edit
    Groups 12 Edit
    Weather-sealed No Data 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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