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Sigma DN 19 mm f/ 2.8 Lens

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Pictures

Sigma DN 19 mm f/ 2.8  lens

Sigma DN 19 mm f/ 2.8  lens

MTF-charts

Sigma DN 19 mm f/ 2.8  MTF Chart

Optical design

Sigma DN 19 mm f/ 2.8  optical design

Format: APS-C (crop)

Type: Prime lens

Focusing: Auto Focus (AF)

Lens mounts: Micro 4/3, Micro 4/3, Sony E, Sony E

First year of production: 2013

Optical design: 8 elements in 6 groups(3As)

User reviews (0)

Photos (5)

Tests (0)

Owners (6)

Views (5269)

Average price: $200

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
19mmf/2.8f/2270.246160/5,645.7/1,8

Additional information:

 

The Sigma 19mm f/2.8 DN is a wide-angle prime lens for Micro4/3 and Sony E digital mirrorless cameras. The lens belongs to the new Art series. This lens is to replace the Sigma 19mm F2.8 EX DN, manufactured since 2012.

The telecentric optical design of the lens hasn't changed and comprises eight elements in six groups, including three high-precision molded aspherical elements to correct distortion and field curvature (incl. biconvex for minimizing coma). The system of internal focusing effectively corrects aberration fluctuation. Super multicoating reduces flare and ghosting and provides high contrast images.

The lens employs a linear AF drive motor which moves the lens elements directly without the need for gears or the drive of other mechanical parts. This system provides accurate and silent autofocus, which makes the lens optimal for shooting video.

The bayonet is made of brass. The body is metal. The lens is available in two colors - black or silver - for both bayonets. Made in Japan.

Vignetting:

Distortion:

 

Additional information:

  • Equivalent focal length 45 mm for Sony E and 60 mm for  Micro4/3
  • Angle of view 39.6° for Micro4/3 and 50.7° for Sony E
  • Max. magnification 1:8.1
  • Diameter 60.8 mm
  • LH520-03 hood included
  • Manufacturer'sprice 200 $

Links to online resources:
PDF Files:
Posted by: dv   Date of publication: 30.01.2013



Photos taken with this lens Sigma DN 19 mm f/ 2.8 :


1
Autor: dv
4.55 0 1550

Букет
Autor: dv
4.5 1 1277

1
Autor: dv
4.13 0 1569

Vaughn Brook
Autor: James Heil
3 0 247

Mechanical quality4.002
Optical quality4.002
Usability4.502
Pricing / Value3.502
Bokeh3.002
Overall lens rating
3.80

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