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Pentax smc DA 12-24mm F4.0 ED AL IF Review

Pentax smc DA 12-24mm F4.0 ED AL IF

Main Features

  • 12-24mm Focal Range
  • F4.0 Max Aperture
  • Filter Thread: 77mm
  • Max Format: APS-C / DX
  • Pentax KAF Mount
  • Weight: 430g.
  • Diameter: 88mm
  • Length: 84mm
  • Min Focus Distance:0.3m
  • Max Magnification:0.12x
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Pentax 12-24mm F4.0 ED AL Overview

Pentax 12-24mm F4.0 ED AL is an Auto Focus (AF) Ultra-Wideangle Zoom lens with APS-C / DX max sensor coverage and it is designed to be used with Pentax KAF mount cameras.

Lenses in Pentax KAF Mount with Same Focal and Aperture Range
Model Coverage Weight Focusing Street Price
Samsung D-Xenon 12-24mm F4 ED Lens Samsung D-Xenon 12-24mm F4 ED
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APS-C / DX 430gr AF Amazon B&H Photo

Lens Mount

Pentax 12-24mm F4.0 ED AL is compatible with cameras that have Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax K-3 III, Pentax KP and Pentax K-70.

Focal Range

Pentax 12-24mm F4.0 ED AL has a focal range of 12-24mm and 2.0X zoom ratio which has a 35mm equivalent focal range of 18-36mm when used on a APS-C / DX format camera.

Optical Image Stabilization

Pentax 12-24mm F4.0 ED AL doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).

Zoom Method

Pentax 12-24mm F4.0 ED AL features Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.

Maximum Magnification Ratio

Pentax 12-24mm F4.0 ED AL has a Max Magnification Ratio of 0.12x and has a minimum focusing distance of 0.3m. 0.12x means that the max magnification ratio is very low and not suitable even for modest close-up shots.

Aperture

Pentax 12-24mm F4.0 ED AL is a fixed aperture lens with a constant max aperture of f4 from 12mm all the way to the 24mm .

Optical Formula

Pentax 12-24mm F4.0 ED AL's optical formula consists of 13 elements in 11 groups .

Lens Hood

Pentax 12-24mm F4.0 ED AL comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.

Body Colour

Pentax 12-24mm F4.0 ED AL is available in Black color.

Popular Comparisons of Pentax 12-24mm F4.0 ED AL

Here is the eight most popular comparisons of Pentax 12-24mm F4.0 ED AL amongst Camera Decision readers.

Top Alternatives of Pentax 12-24mm F4.0 ED AL Lens
Model Coverage Weight Focusing Street Price
Sigma 12-24mm F4.5-5.6 EX DG Aspherical HSM Lens Sigma 12-24mm F4.5-5.6 EX DG Aspherical HSM
Compare
35mm FF 600gr AF Amazon B&H Photo
Tamron SP AF 10-24mm F3.5-4.5 Di II LD Aspherical IF Lens Tamron SP AF 10-24mm F3.5-4.5 Di II LD Aspherical IF
Compare
APS-C / DX 406gr AF Amazon B&H Photo
Samsung D-Xenon 12-24mm F4 ED Lens Samsung D-Xenon 12-24mm F4 ED
Compare
APS-C / DX 430gr AF Amazon B&H Photo
Sigma 10-20mm F4-5.6 EX DC HSM Lens Sigma 10-20mm F4-5.6 EX DC HSM
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APS-C / DX 470gr AF Amazon B&H Photo
Sigma 10-20mm F3.5 EX DC HSM Lens Sigma 10-20mm F3.5 EX DC HSM
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APS-C / DX 520gr AF Amazon B&H Photo
HD PENTAX-D FA 15-30mm F2.8 ED SDM WR Lens HD PENTAX-D FA 15-30mm F2.8 ED SDM WR
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35mm FF 1040gr AF Amazon B&H Photo
Samyang 24mm f1.4 ED AS UMC Lens Samyang 24mm f1.4 ED AS UMC
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35mm FF 580gr MF Amazon B&H Photo
Olympus Zuiko Digital 14-54mm f2.8-3.5 II Lens Olympus Zuiko Digital 14-54mm f2.8-3.5 II
Compare
FourThirds 440gr AF Amazon B&H Photo

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Pros and Cons of Pentax smc DA 12-24mm F4.0 ED AL IF


PROs
Built-in Autofocus
Hood supplied
Full-time Manual Focusing
Fast and Bright at Tele end
Constant f4 Aperture throughout the range

CONs
Lens Extents while focusing
Slow Aperture at Wide end
Pentax smc DA 12-24mm F4.0 ED AL IF Alternatives in Pentax KAF Mount
Model Coverage Weight Focusing Street Price
Samsung D-Xenon 12-24mm F4 ED Lens Samsung D-Xenon 12-24mm F4 ED
Compare
APS-C / DX 430gr AF Amazon B&H Photo
Sigma 10-20mm F3.5 EX DC HSM Lens Sigma 10-20mm F3.5 EX DC HSM
Compare
APS-C / DX 520gr AF Amazon B&H Photo
Sigma 10-20mm F4-5.6 EX DC HSM Lens Sigma 10-20mm F4-5.6 EX DC HSM
Compare
APS-C / DX 470gr AF Amazon B&H Photo
Sigma 12-24mm F4.5-5.6 EX DG Aspherical HSM Lens Sigma 12-24mm F4.5-5.6 EX DG Aspherical HSM
Compare
35mm FF 600gr AF Amazon B&H Photo
Tamron SP AF 10-24mm F3.5-4.5 Di II LD Aspherical IF Lens Tamron SP AF 10-24mm F3.5-4.5 Di II LD Aspherical IF
Compare
APS-C / DX 406gr AF Amazon B&H Photo

Pentax 12-24mm F4.0 ED AL Detailed Specifications


General
Brand Pentax
Lens Type Zoom
Lens Type Wideangle Zoom
Lens Mount Pentax KAF
Max Format APS-C / DX
Focal Range 12-24mm
Image Stabilization No
Colour Black
Zoom Method Rotary (extending)
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 2.0X
APERTURE
Max Aperture F4.0
Min Aperture F22.0
Aperture Ring No
Diaphragm Blades 8
Optics
Optical Elements 13
Optical Groups 11

FOCUSING
Min Focus Distance 0.3m
Max Magnification 0.12X
Autofocus Yes
AF Motor Type Screw drive from camera
Full Time Manual Yes
Focus Method Internal
PHYSICAL SPECS
Weight 430g
Diameter 88mm
Length 84mm
Weather Sealing Unknown
Filter Thread 77mm
Filter Notes -
Hood Supplied Yes
Tripod Collar No
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Frequently Asked Questions about Pentax smc DA 12-24mm F4.0 ED AL IF
is the Pentax smc DA 12-24mm F4.0 ED AL IF a Weather Sealed lens?
What is the Minimum Focusing Distance of Pentax smc DA 12-24mm F4.0 ED AL IF
is the Pentax smc DA 12-24mm F4.0 ED AL IF an Autofocus (AF) lens?
What is the Filter Thread Size of Pentax smc DA 12-24mm F4.0 ED AL IF
Does Pentax smc DA 12-24mm F4.0 ED AL IF have Image Stabilization?
Does Pentax smc DA 12-24mm F4.0 ED AL IF have Aperture Ring?
What is the Maximum Magnification Ratio of Pentax smc DA 12-24mm F4.0 ED AL IF
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