Sigma 105mm Macro f/2.8 EX DG HSM OS for Canon
Sigma
Manufacturer SKU: OS105MHC
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Photo Laplante SKU: SIOS105MHC
Equipped with Sigma’s unique Optical Stabilizer Technology – the OS function offers the use of shutter speeds up to 4 stops lower than would otherwise be possible. This large aperature medium telephoto Macro lens offers advanced performance of close-up photography designed to meet the most demanding needs of professional photographers –one Special Low Dispersion (SLD) and one high refractive index SLD lens elements provide excellent correction of color aberration and distortion.
Supplied accessories: Lens cap - Rear lens cap - Lens hood
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) |
| 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 |
| Elements | 11 |
| Groups | 10 |
| 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) |
| 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 |
