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SIGMA APO 50-150 mm F 2.8 EX DC OS HSM Lens

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SIGMA APO 50-150 mm F 2.8 EX DC OS HSM lens

MTF-charts

SIGMA APO 50-150 mm F 2.8 EX DC OS HSM MTF Chart

SIGMA APO 50-150 mm F 2.8 EX DC OS HSM MTF Chart

Optical design

SIGMA APO 50-150 mm F 2.8 EX DC OS HSM optical design

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
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Average price: $1100

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
50mm - 150mmf/2.8f/2290.8771340/47,3198/7,8

Additional information:

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
  • 9-blade aperture
  • 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
  • Ring HSM+FTM
  • 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:
PDF Files:
Posted by: dv   Date of publication: 08.02.2011


Mechanical quality4.333
Optical quality5.003
Usability5.003
Pricing / Value4.333
Bokeh4.333
Overall lens rating
4.60

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