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Sigma DG A 35 mm f/ 1.4 HSM Lens

Pictures

Sigma DG A 35 mm f/ 1.4 HSM lens

Sigma DG A 35 mm f/ 1.4 HSM lens

Sigma DG A 35 mm f/ 1.4 HSM lens

Sigma DG A 35 mm f/ 1.4 HSM lens

Sigma DG A 35 mm f/ 1.4 HSM lens

MTF-charts

Sigma DG A 35 mm f/ 1.4 HSM MTF Chart

Optical design

Sigma DG A 35 mm f/ 1.4 HSM optical design

Sigma DG A 35 mm f/ 1.4 HSM optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Auto Focus (AF)

Lens mounts: Canon EF, EF-S, Sony A / Minolta A, Nikon F (FX, DX), Pentax K, Sigma SA

First year of production: 2012

Optical design: 13 elements in 11 groups (1FLD+4SLD)

Features: Ultra-Sonic Motor
User reviews (3)

Photos (38)

Tests (0)

Owners (18)

Views (15093)

Average price: $760

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
35mmf/1.4f/1690.367665/23,594/3,7

Additional information:
  • Diagonal angle of view: 63.4°
  • Diameter: 77 mm
  • Maxi. magnification ratio: 1:5.2
  • Ring type HSM
  • Floatinginternal focusingsystem
  • Antireflection multilayer coating
  • Hood included
  • Price at the American web site: 1400$> 900 $

The Sigma A 35 mm F1.4 DG HSMis an ultra-fast wide-angle prime lens for various 35 mm DSLR cameras. This is the first lens in Sigma's new-concept 'Art' series of professional lenses.

Its optical scheme comprises 13 elements in 11 groups, including aspherical elements for minimizing astigmatism and field curvature, four SLD and one FLD glass elements for eliminating lateral and axial chromatic aberrations. FLD glass optical properties are equivalent to those of fluorite. The multicoating minimizes flare and ghosting on the one hand and increases image contrast even in backlit conditions on the other.

Its brass made bayonet mount has both high accuracy and durability. The new Thermally Stable Composite compound material (TSC) is applied for internal and external body elements. The lens floating inner focusing system ensures high optical performance for close-up photography. The front element does not rotate on focus.

It is the first time when Sigma has preferred Thermally Stable Composite, which is exceptionally hard and less prone to thermal contraction, to regular polycarbonate for its new lens series. TSC has similar thermal expansion to aluminum. As compared to regular polycarbonate, containing 20 or 30% of glass, TSC is meant to have approximately 70 or 25%.  Correspondingly, it is 25% more flexible and resilient than polycarbonate.

USB Dock Station+ Sigma Optimization PRO Software is available for updating the lens firmware and adjusting its parameters (including focus):

 

Vignetting

Distortion

The lens is manufactured in Japan.


Links to online resources:
PDF Files:
Posted by: fiy94yan   Date of publication: 18.09.2012



Photos taken with this lens Sigma DG A 35 mm f/ 1.4 HSM:


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Autor: fiy94yan
5 0 1021

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Autor: fiy94yan
5 0 869

Иволгинский дацан Бурятия
Autor: fiy94yan
4.79 8 857

Иволгинский дацан Бурятия
Autor: fiy94yan
4.71 0 771

Mechanical quality4.4214
Optical quality4.5714
Usability4.4214
Pricing / Value4.2014
Bokeh4.5014
Overall lens rating
4.42

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