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Sigma AF 18-50 mm f/ 2.8 EX DC Macro Lens

Pictures

Sigma AF 18-50 mm f/ 2.8 EX DC Macro lens

MTF-charts

Sigma AF 18-50 mm f/ 2.8 EX DC Macro MTF Chart

Optical design

Sigma AF 18-50 mm f/ 2.8 EX DC Macro optical design

Format: APS-C (crop)

Type: Zoom lens

Focusing: Auto Focus (AF)

Lens mounts: Canon EF, EF-S, Sony A / Minolta A, Nikon F (FX, DX), 4/3 (Four/Thirds), Pentax K, Sigma SA

Optical design: 15 elements in 13 groups.

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Owners (3)

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Average price: $633

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
18mm - 50mmf/2.8f/2270.2872445/15,784.1/3,3

Additional information:

The Sigma AF 18-50 mm f/ 2.8 EX DC Macro  is a standard zoom lens  for 35 mm SLR cameras of popular autofocus systems.

EX series is a professional line of  Sigma lenses, remarkable for its high mechanical and optic quality.

DC series is a line of  Sigma lenses optimized for digital SLR APS-C cameras.

The focusing is internal, the front element does not rotate during focus operations.

The Sigma AF 18-50 mm f/ 2.8 EX DC Macro replaced the Sigma AF 18-50 mm f/ 2.8 EX DC. Later on (presumably in 2008) Sigma went on producing this lens with a hyper sonic motor.


Posted by: temas   Date of publication: 04.06.2011


Mechanical quality5.007
Optical quality4.857
Usability4.577
Pricing / Value4.727
Bokeh4.857
Overall lens rating
4.80

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