Pentax-DA* 55mm F/1.4 SDM Camera Lens

SKU
103925
product overview
product overview
  • Standard
  • Portrait, still life, low light photography, weddings
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The Pentax 55mm f/1.4 DA* SDM Autofocus Lens is a compact and bright short-telephoto lens of the highest order, made exclusively for Pentax digital SLR cameras.  In a stocky housing ready for harsh conditions, you'll get a bright f/1.4 aperture-worlds away from the experience you're used to with more common zooms-that opens up new creative doors to you as a photographer.

This lens was born to shoot between f/1.4 and f/2.8, and comes with a 9-bladed aperture diaphragm which shows up as perfectly round when you stay between f/1.4-2.8.  Shoot dramatic portraits with bright point light sources behind the subject, and you'll be dazzled with lovely diffuse, circular out-of-focus highlights that make everybody look better.  Beyond portraits, this lens works well any time you would use a moderate telephoto focal length.

The focusing system of this lens is SDM only; there is no screw on the rear of the lens barrel to have the AF driven by a body-based motor.  This allows the lens to move incredibly quick, driven by an internal motor and with the Quick-Shift system providing manual override capacity to you any time you want it with no buttons to switch; but you'll need a Pentax body which allows SDM autofocus (all current Pentax bodies support SDM, but the *IST series does not).

Note: Does NOT provide autofocus upon non-SDM-enabled Pentax cameras.

Brilliantly-sharp portrait lens which gathers plenty of light
Completely-rounded aperture diaphragm from f/1.4-2.8 for beautiful out-of-focus highlights
Speedy SDM autofocus motor provides fast, silent response with Quick-Shift full-time manual override
Pentax's unique SP water and dirt-repelling coating on both external surfaces
Pentax's "Aero Bright" internal lens yields high transmissivity and reduced flare
Dust and moisture-resistant housing
Essentially equivalent to an 82.5mm f/1.4 lens upon 35mm SLR cameras
  • MPN - 21790
  • GTIN - 0027075147348
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NameValue
BrandPentax
Focal Length55mm
Comparable 35mm Equivalent on APS-C Format
Focal Length: 82.5 mm
Lens typePrime lens
Aperture RangeMaximum: f/1.4
Minimum: f/22
Max Format sizeAPS-C/DX
Camera MountPentax K
Lens FormatPentax Digital (APS-C)
Lens mountPentax KAF
Minimum Focusing Distance1.48’ (45 cm)
Focus TypeAutofocus
Image StabilizerNo
Diaphragm Blades9
Angle Of View28.6
Elements9
Groups 8
Groups8
Diaphragm Blades9
Filter Size58 mm
Tripod CollarNo
AutofocusYes
Elements9
Motor TypeUltrasonic
Weight375
Dimensions (DxL)Approx. 2.8 x 2.6“ (7.11 x 6.60 cm)
Diameter70 mm
Weight375
Length66 mm
SealingYes
Filter Thread52 mm
Lens HoodPentax PH-RBK58
Focal Length55mm
Comparable 35mm Equivalent on APS-C Format Focal Length: 82.5 mm
Dimensions(DxL)7.11 x 6.60 cm
Weight375 g
Filter Thread Size58 mm
Tripod CollarNo
AutofocusYes
ApertureMaximum: f/1.4
Minimum: f/22
Camera Mount TypePentax K
Format CompatibilityPentax Digital (APS-C)
Angle of View28.6
Minimum Focus Distance45 cm
Magnification0.17x
Maximum Reproduction Ratio1:6
Optical Design9 Elements in 8 Groups
Diaphragm Blades9
Image StabilizationNo
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What’s In The Box

Pentax-DA* 55mm F/1.4 SDM Camera Lens

  • Pentax-DA* 55mm F/1.4 SDM Camera Lens x 1
  • PH-RBH Lens Hood for SMC DA* 55mm f/1.4 SDM Lens x 1
  • O-LC58 58mm Lens Cap x 1
  • Rear Lens Cap (B) for Bayonet Mount Lenses x 1
  • Lens Case S90-100 (Soft) x 1

Read Our Helpful Buying Guides

Helpful Buying Guide
+ Read more
What’s In The Box

Pentax-DA* 55mm F/1.4 SDM Camera Lens

  • Pentax-DA* 55mm F/1.4 SDM Camera Lens x 1
  • PH-RBH Lens Hood for SMC DA* 55mm f/1.4 SDM Lens x 1
  • O-LC58 58mm Lens Cap x 1
  • Rear Lens Cap (B) for Bayonet Mount Lenses x 1
  • Lens Case S90-100 (Soft) x 1

Read Our Helpful Buying Guides

Helpful Buying Guide