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Sigma 105mm F2.8 EX DG Macro Specs
Announced Jun 20, 2004
•
Telephoto macro prime lens | Canon EF, Four Thirds, Pentax KAF, Sony/Minolta Alpha, Sigma SA Bayonet, Nikon F (FX)
Principal specifications | ||
---|---|---|
Lens type | Prime lens | |
Max Format size | 35mm FF | |
Focal length | 105 mm | |
Image stabilization | No | |
Lens mount | Canon EF, Four Thirds, Pentax KAF, Sony/Minolta Alpha, Sigma SA Bayonet, Nikon F (FX) | |
Aperture | ||
Maximum aperture | F2.8 | |
Minimum aperture | F32 | |
Aperture ring | No | |
Number of diaphragm blades | 8 | |
Aperture notes | Minimum aperture is F45 on Canon, Sigma and Sony mount versions | |
Optics | ||
Elements | 11 | |
Groups | 10 | |
Focus | ||
Minimum focus | 0.31 m (12.32″) | |
Maximum magnification | 1× | |
Autofocus | Yes | |
Motor type | Micromotor | |
Full time manual | No | |
Focus method | Extending front | |
Focus notes | Dual focus system. Floating focus mechanism. Screw drive on Nikon, Pentax and Sony mounts | |
Distance scale | Yes | |
DoF scale | Yes | |
Focus distance limiter | yes (0.4m) | |
Physical | ||
Weight | 460 g (1.01 lb) | |
Diameter | 74 mm (2.91″) | |
Length | 98 mm (3.84″) | |
Sealing | No | |
Filter thread | 58 mm | |
Filter notes | Does not rotate on focusing | |
Hood supplied | Yes | |
Other |
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