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Lens mount: Tamron Adaptall Diameter: mm Length: mm Weight: g Filter mount: Lenses/Groups: / Diaphragm blades: Close Focus W: m, T: m Max Aperture W: 2,8, T: Min Aperture: Close Focus: m Misc: MF, Zoom Comments: |
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Photodo test result: 3,6 Effective focal length: 35 - 100 Weighted MTF for 35 mm: f2,8 0,64, f4 0,74, f8 0,77 Weighted MTF for 60 mm: f2,8 0,65, f4 0,77, f8 0,80 Weighted MTF for 105 mm: f2,8 0,67, f4 0,76, f8 0,79 Average Weighted MTF: 0,77 Grade: 3,6 Weighted MTF 10 lp/mm: 0,87 Weighted MTF 20 lp/mm: 0,72 Weighted MTF 40 lp/mm: 0,49 Distortion: % - % ![]() Understanding the MTF graphs, numbers and grades | ||
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