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Pentax 21mm F/3.2 SMC DA AL Limited Black K Mount Autofocus Lens For APS-C Sensor DSLRS {49}

KEH Model# 241800

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Pentax 21mm F/3.2 SMC DA AL Limited Black K Mount Autofocus Lens For APS-C Sensor DSLRS...

KEH Model# 241800

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Pentax 21mm F/3.2 SMC DA AL Limited Black K Mount Autofocus Lens For APS-C Sensor DSLRS {49} Description

Details

Pentax smc P-DA 21mm F3.2 AL Limited Wide Angle Lens - f/3.2

With newly developed, high-performance optics, this new lens measures only one inch (25 millimeters long) and weighs a mere 4.9 ounces (140 grams). Mounted on a Pentax digital SLR camera body, the lens protrudes very little from the camera's front panel, making it an ideal choice for carry-everywhere, instantaneous snapshot photography. This versatile angle of view produces natural images with a moderate perspective and an expanded depth of field (or a wide in-focus area), making it ideal for many different types of subjects and occasions, including snapshots, landscape, travel photos, and architecture. The DA 21mm incorporates a hybrid aspherical lens in its eighth optical element to effectively compensate for a variety of aberrations, which cause adverse effects on overall image quality. In order to assure high-quality image reproduction over the entire focusing range, it also features a floating mechanism, which is designed to adjust the degree of aberration compensation in relation to the focusing distance.

KEH Specifications

  • Focal Length: 21 mm
  • Aperture Maximum: f/3.2
  • Aperture Minimum: f/22
  • Camera Mount Type: Pentax KAF
  • Format Compatibility: APS-C/DX
  • Minimum Focus Distance: 0.20 m (7.87″)
  • Elements/Groups: 8/5
  • Angle of View: (Diagonal:) 68° (Horizontal:) 59° 
  • Autofocus: Yes
  • Tripod Collar: No
  • Filter Thread: 49 mm
  • Dimensions: 63 x 25 mm (2.5 x 1 in.)
  • Weight: 140 g (0.31 lb)

Specifications

Miscellaneous

Compatibility

Pentax Digital SLR Cameras

Application/Usage Camera

Physical Characteristics

Lens Mount Pentax KAF2 (SMC-DA, SMC-DFA)

General information

Product Series P-DA
Product Line smc
Manufacturer Part Number 21590
Manufacture GTIN 0027075122161
Brand Name Pentax

Technical Information

Lens Construction 8 Elements in 5 Groups
Fixed Focal Length 21 mm
Maximum Aperture Fixed 3.2
Filter Attachment Diameter 43 mm, 49 mm
Lens Type Wide Angle

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