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Pentax 20-35mm F/4 SMC FA AL K Mount Autofocus Lens {58}

Pentax Cameras
KEH Model# 241243

This product is currently out of stock. Please contact a KEH photography expert to discuss similar options.

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Pentax 20-35mm F/4 SMC FA AL K Mount Autofocus Lens {58} Description


The SMC Pentax-FA 20-35mm f/4 AL is a wide-angle  zoom lens for 35 mm Pentax K  Autofocus SLR cameras.

The smc P-FA Zoom 20mm-35mm f/4 AL compact zoom lens covers angles of view from an ultra-wide 94° at the 20mm setting to a wide 63° at 35mm. It incorporates two aspherical lens elements to reduce distortion and produce sharp, crisp image reproduction. Like all Pentax-FA lenses, it is treated with Pentax's acclaimed smc coating for maximum light transmission, sharp definition, and high contrast, while minimizing flare and ghost imaging. Extremely flexible, this lens is ideal for shooting panoramic landscapes and tall buildings.

KEH Specifications

  • Focal Length: 20-35mm
  • Aperture Maximum: f/4
  • Aperture Minimum: f/22
  • Camera Mount Type: Pentax K mount
  • Format Compatibility: 35mm, APS-C
  • Minimum Focus Distance: 13 inches
  • Elements/Groups: 10/8
  • Diaphragm Blades: 8
  • Tripod Collar: No
  • Filter Thread: 58mm
  • Dimensions: 2.8 inches
  • Weight: 8.6 oz (245g)


General information

Manufacturer Part Number 27960
Manufacture GTIN 0027075045569
Brand Name Pentax
Product information
Product Series
Lens Construction
10 Elements in 8 Groups
Product Line

Pentax 35mm SLR Cameras

Maximum Aperture Wide
  • Camera
Filter Attachment Diameter
  • 58 mm
Lens Type Wide-Angle Zoom

Technical Information

Zoom Min Focal Length 20.0000
Zoom Max Focal Length 35.0000
Max Aperture f/4

Physical Characteristics

Lens Mount Pentax KAF2 (SMC-FA)