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Pentax HD DA 40mm F2.8 Limited Review

HD Pentax DA 40mm F2.8 Limited

Main Features

  • 40mm Focal Range
  • F2.8 Max Aperture
  • Filter Thread: 49mm
  • Max Format: APS-C / DX
  • Pentax KAF Mount
  • Weight: 80g.
  • Diameter: 63mm
  • Length: 15mm
  • Min Focus Distance:0.4m
  • Max Magnification:0.13x
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Pentax 40mm F2.8 L Overview

Pentax 40mm F2.8 L is a Fixed aperture Auto Focus (AF) Standard Prime lens with APS-C / DX max sensor coverage, and it is designed to be used with Pentax KAF mount cameras.

What type of photography is the Pentax 40mm F2.8 L lens good for?

The type of photography that you are planning to use the Pentax 40mm F2.8 L is an important decision factor. Here we have evaluated its suitability to various photography scenarios:

Photography Type Suitability
Bird/WildlifeFair
SportsFair
PortraitVery Good
TravelAverage
StreetGood
WeddingVery Good
Walk AroundAverage
VloggingAverage
LandscapeAverage
MacroPoor

Lenses in Pentax KAF Mount with Same Focal and Aperture Range
Model Coverage Weight Focusing Street Price
Pentax smc DA 40mm F2.8 Limited Lens Pentax smc DA 40mm F2.8 Limited
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APS-C / DX 90gr AF Amazon B&H Photo
Pentax smc DA 40mm F2.8 XS Lens Lens Pentax smc DA 40mm F2.8 XS Lens
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APS-C / DX 45gr AF Amazon B&H Photo

Reasons to Buy HD Pentax DA 40mm F2.8 Limited Lens

Here, we've included a summary of the advantages and disadvantages of the HD Pentax DA 40mm F2.8 Limited lens in a list form to help you determine whether it offers the features you need.

PROs
Autofocus
Distance Scale
Hood supplied
Full-time Manual Focusing
9 Diaphragm Blades
Light weight at only 80g / 2.8 oz
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Buy Pentax 40mm F2.8 L from Amazon or B&H PHOTO


CONs

We couldn't find any significant Cons for HD Pentax DA 40mm F2.8 Limited


Lens Mount

Pentax 40mm F2.8 L 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 KF, Pentax K-3 III and Pentax KP.

Pentax 40mm F2.8 L is also available in Pentax KAF mount.

Size, Weight and Filter Thread

Size and weight is a very important decision factor when searching for your next lens. Pentax 40mm F2.8 L has a maximum diameter of 63mm and total length of 15mm. It weighs 80g / 2.8 oz.

Pentax 40mm F2.8 L has a filter thread of 49mm.

Focal Range

Pentax 40mm F2.8 L has a fixed focal lenght of 40mm which has a 35mm equivalent focal range of 60mm when used on a APS-C / DX format camera.

Optical Image Stabilization

Pentax 40mm F2.8 L 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).

Maximum Magnification Ratio

Pentax 40mm F2.8 L has a Max Magnification Ratio of 0.13x and has a minimum focusing distance of 0.4m. 0.13x means that the max magnification ratio is very low and not suitable even for modest close-up shots.

Aperture

Pentax 40mm F2.8 L has a max aperture of F2.8 and a minimum aperture of F22.0.

Optical Formula

Pentax 40mm F2.8 L's optical formula consists of 5 elements in 4 groups . Special elements used in this design is High-grade multi-layer HD (High Definition) Coating.

Lens Hood

Pentax 40mm F2.8 L comes with a removable lens hood which is handy to reduce lens flare and glare in your photos. The model number of the hood is MH-RE49.

Body Colour

Pentax 40mm F2.8 L is available in Black and Silver color.

Popular Comparisons of Pentax 40mm F2.8 L

Here is the eight most popular comparisons of Pentax 40mm F2.8 L amongst Camera Decision readers.

Top Alternatives of Pentax 40mm F2.8 L Lens
Model Coverage Weight Focusing Street Price
Pentax smc FA 43mm F1.9 Limited Lens Pentax smc FA 43mm F1.9 Limited
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35mm FF 155gr AF Amazon B&H Photo
Pentax smc DA 40mm F2.8 XS Lens Lens Pentax smc DA 40mm F2.8 XS Lens
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APS-C / DX 45gr AF Amazon B&H Photo
Pentax smc DA 50mm F1.8 Lens Pentax smc DA 50mm F1.8
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35mm FF 122gr AF Amazon B&H Photo
Pentax smc DA 35mm F2.4 AL Lens Pentax smc DA 35mm F2.4 AL
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APS-C / DX 124gr AF Amazon B&H Photo
Pentax smc DA 40mm F2.8 Limited Lens Pentax smc DA 40mm F2.8 Limited
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APS-C / DX 90gr AF Amazon B&H Photo
Pentax smc DA 35mm F2.8 Macro Limited Lens Pentax smc DA 35mm F2.8 Macro Limited
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APS-C / DX 215gr AF Amazon B&H Photo
HD Pentax-FA 43mm F1.9 Limited Lens HD Pentax-FA 43mm F1.9 Limited
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35mm FF 155gr AF Amazon B&H Photo
Pentax smc FA 50mm F1.4 Lens Pentax smc FA 50mm F1.4
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35mm FF 220gr AF Amazon B&H Photo

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**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

HD Pentax DA 40mm F2.8 Limited Alternatives in Pentax KAF Mount
Model Coverage Weight Focusing Street Price
HD Pentax-FA 43mm F1.9 Limited Lens HD Pentax-FA 43mm F1.9 Limited
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35mm FF 155gr AF Amazon B&H Photo
HD Pentax DA 35mm F2.8 Macro Limited Lens HD Pentax DA 35mm F2.8 Macro Limited
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APS-C / DX 214gr AF Amazon B&H Photo
Pentax smc DA 35mm F2.4 AL Lens Pentax smc DA 35mm F2.4 AL
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APS-C / DX 124gr AF Amazon B&H Photo
Pentax smc DA 35mm F2.8 Macro Limited Lens Pentax smc DA 35mm F2.8 Macro Limited
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APS-C / DX 215gr AF Amazon B&H Photo
Pentax smc DA 40mm F2.8 Limited Lens Pentax smc DA 40mm F2.8 Limited
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APS-C / DX 90gr AF Amazon B&H Photo
Pentax smc DA 40mm F2.8 XS Lens Lens Pentax smc DA 40mm F2.8 XS Lens
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APS-C / DX 45gr AF Amazon B&H Photo
Pentax smc FA 43mm F1.9 Limited Lens Pentax smc FA 43mm F1.9 Limited
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35mm FF 155gr AF Amazon B&H Photo
HD Pentax-FA 35mm F2 AL Lens HD Pentax-FA 35mm F2 AL
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APS-C / DX 193gr AF Amazon B&H Photo
Samsung D-Xenon 35mm F2 AL Lens Samsung D-Xenon 35mm F2 AL
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35mm FF 195gr AF Amazon B&H Photo
Samyang 35mm F1.4 AS UMC Lens Samyang 35mm F1.4 AS UMC
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35mm FF 660gr MF Amazon B&H Photo
Voigtlander 40mm F2 Ultron SL II Lens Voigtlander 40mm F2 Ultron SL II
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35mm FF 200gr MF Amazon B&H Photo
Irix 45mm F1.4 Lens Irix 45mm F1.4
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35mm FF 925gr MF Amazon B&H Photo
Lensbaby Burnside 35 Lens Lensbaby Burnside 35
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35mm FF 374gr MF Amazon B&H Photo
Carl Zeiss Distagon T 235 Lens Carl Zeiss Distagon T 235
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35mm FF 570gr MF Amazon B&H Photo
Hartblei Superrotator 40mm F4 IF TS Lens Hartblei Superrotator 40mm F4 IF TS
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Lensbaby Sol 45 DSLR Lens Lensbaby Sol 45 DSLR
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35mm FF 144gr MF Amazon B&H Photo
Rokinon 35mm f1.4 Lens Rokinon 35mm f1.4
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35mm FF 660gr MF Amazon B&H Photo
Sigma 35mm F1.4 DG HSM Lens Sigma 35mm F1.4 DG HSM
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35mm FF 665gr AF Amazon B&H Photo

Pentax 40mm F2.8 L Detailed Specifications


General
Brand Pentax
Lens Type Prime
Lens Type Standard Prime
Lens Mount Pentax KAF
Max Format APS-C / DX
Focal Range 40mm
Image Stabilization No
Colour Black, Silver
Zoom Method No Zoom
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 1.0X
APERTURE
Max Aperture F2.8
Min Aperture F22.0
Aperture Ring No
Diaphragm Blades 9
Optics
Optical Elements 5
Optical Groups 4
Special Elements High-grade multi-layer HD (High Definition) Coating

FOCUSING
Min Focus Distance 0.4m
Max Magnification 0.13X
Autofocus Yes
AF Motor Type Screw drive from camera
Full Time Manual Yes
Focus Method Unknown
Distance Scale Yes
DoF Scale No
PHYSICAL SPECS
Weight 80g
Diameter 63mm
Length 15mm
Weather Sealing Unknown
Filter Thread 49mm
Filter Notes -
Hood Supplied Yes
Hood Code MH-RE49
Tripod Collar No
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Frequently Asked Questions about HD Pentax DA 40mm F2.8 Limited
is the HD Pentax DA 40mm F2.8 Limited a Weather Sealed lens?
What is the Minimum Focusing Distance of HD Pentax DA 40mm F2.8 Limited
is the HD Pentax DA 40mm F2.8 Limited an Autofocus (AF) lens?
What is the Filter Thread Size of HD Pentax DA 40mm F2.8 Limited
Does HD Pentax DA 40mm F2.8 Limited have Image Stabilization?
Does HD Pentax DA 40mm F2.8 Limited have Aperture Ring?
What is the Maximum Magnification Ratio of HD Pentax DA 40mm F2.8 Limited
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