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Pentax smc DA 21mm F3.2 AL Limited Review
Pentax smc DA 21mm F3.2 AL Limited

Main Features

  • 21mm Focal Range
  • F3.2 Max Aperture
  • Filter Thread: 49mm
  • Max Format: APS-C / DX
  • Pentax KAF Mount
  • Weight: 140g.
  • Diameter: 63mm
  • Length: 25mm
  • Min Focus Distance:0.2m
  • Max Magnification:0.17x
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Pentax 21mm F3.2 AL L Overview
Pentax 21mm F3.2 AL L is an Auto Focus (AF) Wideangle Prime lens with APS-C / DX max sensor coverage and it is designed to be used with Pentax KAF mount cameras.

Lens Mount

Pentax 21mm F3.2 AL L is compatible with cameras that have Pentax KAF lens mount.Some of the latest released cameras with Pentax KAF lens mount are Pentax KP, Pentax K-70 and Pentax K-3 II.

Sensor Coverage

Max sensor coverage of Pentax 21mm F3.2 AL L is APS-C / DX.

Focal Range

Pentax 21mm F3.2 AL L has a fixed focal lenght of 21mm. When mounted on a APS-C / DX format camera, it provides an 35mm (FF) equivalent of 31.5mm.

Body Colour

Black

Aperture

Pentax 21mm F3.2 AL L has a max aperture of F3.2 and a minimum aperture of F22.0.
Pros and Cons of Pentax smc DA 21mm F3.2 AL Limited

PROs
Built-in Autofocus
Hood supplied
Full-time Manual Focusing

CONs
Not so fast for a short Prime Lens
Pentax 21mm F3.2 AL L Detailed Specifications

General
Brand Pentax
Lens Type Prime
Lens Type Wideangle Prime
Lens Mount Pentax KAF
Max Format APS-C / DX
Focal Range 21mm
Image Stabilization No
Colour Black
Zoom Method No Zoom
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 1.0X
APERTURE
Max Aperture F3.2
Min Aperture F22.0
Aperture Ring No
Diaphragm Blades 7
Optics
Optical Elements 8
Optical Groups 5

FOCUSING
Min Focus Distance 0.2m
Max Magnification 0.17X
Autofocus Yes
AF Motor Type Screw drive from camera
Full Time Manual Yes
Focus Method Unknown
PHYSICAL SPECS
Weight 140g
Diameter 63mm
Length 25mm
Weather Sealing Unknown
Filter Thread 49mm
Filter Notes -
Hood Supplied Yes
Tripod Collar No
Pentax smc DA 21mm F3.2 AL Limited Alternatives in Pentax KAF Mount
Model Coverage Weight Focusing Street Price
HD Pentax DA 21mm F3.2 AL Limited Lens HD Pentax DA 21mm F3.2 AL Limited
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Frequently Asked Questions about Pentax smc DA 21mm F3.2 AL Limited
is the Pentax smc DA 21mm F3.2 AL Limited a Weather Sealed lens?
What is the Minimum Focusing Distance of Pentax smc DA 21mm F3.2 AL Limited
is the Pentax smc DA 21mm F3.2 AL Limited an Autofocus (AF) lens?
What is the Filter Thread Size of Pentax smc DA 21mm F3.2 AL Limited
Does Pentax smc DA 21mm F3.2 AL Limited have Image Stabilization?
Does Pentax smc DA 21mm F3.2 AL Limited have Aperture Ring?
What is the Maximum Magnification Ratio of Pentax smc DA 21mm F3.2 AL Limited
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