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SMC Pentax DA 55 mm f/ 1.4 SDM Lens

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Pictures

SMC Pentax DA 55 mm f/ 1.4 SDM lens

SMC Pentax DA 55 mm f/ 1.4 SDM lens

MTF-charts

SMC Pentax DA 55 mm f/ 1.4 SDM MTF Chart

Optical design

SMC Pentax DA 55 mm f/ 1.4 SDM optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Auto Focus (AF)

Lens mounts: Pentax K

Optical design: 9 elements in 8 groups

Features: Ultra-Sonic Motor
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Owners (1)

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Average price: $997

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
55mmf/1.4f/2290.4558375/13,266/2,6

Additional information:

 

The SMC Pentax DA 55 mm f/ 1.4 SDM is a casual portrait lens of rather high quality. It can be used as a kit lens, as well.

It produces very beautiful bokeh.

The optical scheme of the lens takes advantage of special sorts of optic glass and Aero Bright Coating (ABC), a Pentax innovative technology.

The coating provides accurate optical transmission without loss of beams of the entire visible spectrum, which prevents flare and chromatic aberrations.

Supersonic Direct drive Motor SDM ensures smooth and silent autofocusing, as well as a precise positioning of the internal focusing unit.

The SMC Pentax DA  55 mm f/ 1.4 SDM pros:

  • Good color  rendering;
  • Reliable dust and moisture protection;
  • Sharpness and contrast;
  • Very ergonomic.

The SMC Pentax DA  55 mm f/ 1.4 SDM cons:

  • Price;
  • Recurrent flare;
  • Shortcomings of calibration;
  • Slow AF.

F/1.4 lens speed makes it possible to gather sufficient light for good performance even in low light conditions.

Equivalent focal length is 85 mm (when mounted on a SLR camera with an APS-C sensor).


Links to online resources:
Posted by: KleoY   Date of publication: 07.02.2011



Photos taken with this lens SMC Pentax DA 55 mm f/ 1.4 SDM:


Available light
Autor: Jaycee
3 0 784

Mechanical quality4.254
Optical quality4.254
Usability4.504
Pricing / Value3.004
Bokeh4.004
Overall lens rating
4.00

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