Pentax SMC HD DA 21mm f/3.2 AL

Pentax SMC HD DA 21mm f/3.2 AL
$422
21 mm
autofocus prime lens
f/3.2
  • Generic motor Built-in focus motor

compatibilitywith digital cameras

Full frame

This lens is compatible with Full frame cameras such as the Pentax K-1.

Pentax K-1
81°
horizontal angle of view
21mm
35mm equivalent focal length

APS-C (1.5x crop factor)

This lens is compatible with APS-C (1.5x crop factor) cameras such as the Pentax K-70, Pentax KP and Pentax K-3 II.

Pentax K-70
58.5°
horizontal angle of view
32mm
35mm equivalent focal length

Pros

The Pentax HD DA 21mm f/3.2 AL vs other Digital camera lenses

Auto focus Supports autofocus Help
Easier to use
Length Quite short Help
25 mm
Diameter Small diameter Help
64 mm
Prime lens Prime lens Help
Typically very sharp

Cons

The Pentax HD DA 21mm f/3.2 AL vs other Digital camera lenses

Max focal length Poor telephoto lens Help
21 mm
Zoom range Below average zoom range Help
1x

Specifications

General

Min focal length
Help
21 mm
Max focal length
Help
21 mm
below average below average
Zoom range
Help
1x
Magnification
Help
1:5.9 (0.2)

Aperture

Wide maximum
Help
f/3.2
Wide minimum
Help
f/22
Tele maximum
Help
f/3.2
Tele minimum
Help
f/22

Features

Auto focus
Help
Yes
above average above average
Focus motor
Help
Generic motor
Image stabilization
Help
None
Fisheye
Help
No
Tilt-shift
Help
No

Form factor

Lens mount
Help
Pentax K
Length
Help
25 mm
above average above average
Diameter
Help
64 mm
above average above average
Filter size
Help
49 mm
Weight
Help
119 g
above average above average

Angle of view

Wide horizontal
Help
58.7°
Telephoto horizontal
Help
58.7°
Wide vertical
Help
41°
Telephoto vertical
Help
41°
Wide diagonal
Help
68°
Telephoto diagonal
Help
68°

Competitors

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