Sigma 105mm F2.8 EX DG Macro

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 stabilisation 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 F32.0
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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