|Format: APS-C (crop)|
Type: Zoom lens
Focusing: Auto Focus (AF)
Lens mounts: Canon EF, EF-S, Canon EF, EF-S, Canon EF, EF-S, Canon EF, EF-S, Nikon F (FX, DX), Nikon F (FX, DX), Nikon F (FX, DX), Nikon F (FX, DX), Sigma SA, Sigma SA, Sigma SA, Sigma SA
First year of production: 2012
Optical design: 21 elements in 15 groups (6SLD)
Features: Ultra-Sonic Motor, Optical stabilisation
User reviews (0)
Views (4761)Average price: $1100
|Focal length||Max. aperture||Min. aperture||Blades||Min. Focus (m.)||Filter Ø (mm.)||Weight (gr/oz)||Length (mm/in)|
|50mm - 150mm||f/2.8||f/22||9||0.8||77||1340/47,3||198/7,8|
The SIGMA APO 50-150 mm F 2.8 EX DC OS HSM
21 element in 15 groups
6 SLD elements
Angle of view 27.9°- 9.5° (for SD1 31.7-10.8°)
Equivalent focal length 75-225 mm for Nikon-240 mm for Canon
Minimum aperture F22
Minimum focusing distance - 0.8 m
Max. magnification 1:6.3 (0.16)
Filter 77 mm
Diameter 86.4 mm
Length 197.6 mm
4-stop optical stabilizer
Internal focusing and zoom
It is compatible with the Sigma 1.4x and 2x APO-teleconverters.
LH850-02 hood and a soft case are completed with the lens.
TS-21 tripod socket included
The Sigma APO 50-150mm f/2.8 EX DC OS HSMis a fast telephoto zoom lens with a constant maximum aperture for DSRL APS-C/DX cameras of different autofocus systems.
The start of production was announced for October, 2011, no retail price so far. In March, 2012 the retail price of $ 1100 was announced. The Canon variant is due in the early April, 2012, Sigma and Nikon versions are due in the late April, 2012. The American website gives the price of $ 1650.
The optical scheme of the lens consists of 21 elements in 15 groups, including six SLD elements to compensate chromatic aberrations. The super multi-coating reduces flare and halation and provides sharp and high contrast images even when wide open.
The lens with the Nikon bayonet mount does not have an aperture ring.
Earlier version was not equipped with a stabilizer and was based on a different optical scheme.
Vignetting is visible at 50 mm and at 150 mm
Distortion is visible at 50 mm and at 150 mm
Links to online resources:
Posted by: dv Date of publication: 08.02.2011