Name: HD Pentax DA 20-40mm f/2.8-4 ED Limited DC WR Zoom Lens
Brand: Pentax
Price: 450 USD
Availability: InStock

Exhibits minimal signs of wear, noticeable only upon close inspection. Fully operational and includes all items shown in the listing photos. The actual item for sale is pictured unless specifically noted otherwise. The condition rating applies to the core item and not any accessories.

Amazing lense throughout the zoom range sharp and very nice contrast. Focusing is smooth. Cosmetically it has some very minor pain wear, overall...read more.

Designed for K-mount APS-C format cameras, the Pentax HD DA 20-40mm zoom lens offers a focal length equivalency of 30.5-61.5mm, ideal for a range of shooting scenarios from wide-angle to standard. It proudly stands as the initial zoom lens in the Pentax Limited Series, featuring a robust weather-sealed build, advanced HD lens coating, and an optical arrangement that includes an ED element along with one super-low dispersion glass for superb clarity.

The HD Pentax DA 20-40mm f/2.8-4 ED Limited DC WR is a high-quality zoom lens designed for Pentax K-mount cameras. It features a versatile focal length range, weather-resistant construction, and advanced optical elements for superior image quality.

Equipped with a zoom range of 20-40mm, producing a 35mm format equivalent of 30.5 to 61.5mm, this lens serves as an excellent all-around choice for everyday photography. The f/2.8 aperture at the broad end caters to shooting under dim conditions and provides control over depth of field.

Versatile Focal Range with Wide Aperture

The multi-layered HD coating engineered by PENTAX diminishes reflections and allows for the capture of high-contrast pictures devoid of glare and ghosting effects.

High-Definition Lens Coating

Featuring a DC Motor within the lens, it ensures a silent and smooth autofocus operation, suitable for discreet photography.

Silent Autofocus with DC Motor

The Quick-Shift Focus System permits an immediate switch from autofocus to manual focus mode for precise control.

Instant Autofocus to Manual Focus Transition

Constructed with seven special seals, this lens is the first in the Limited range to offer PENTAX's unique weather-resistant construction, combined with a robust aluminum alloy housing, suitable for use in various shooting environments.

Sturdy Build and Weather-Sealed Design

The Super Protect coating on both the front and rear elements of the lens defends against dust, moisture, and oils, aiding in the maintenance of image quality and lens cleanliness.

Protective SP Coating

The inclusion of Extra-low Dispersion and super-low dispersion glass ensures images characterized by sharpness and accurate color rendition across the zoom spectrum.

Precision Optics

The diaphragm features rounded blades for improved bokeh quality, contributing to aesthetically pleasing out-of-focus areas in your images.

Enhanced Bokeh with Rounded Blades

The HD Pentax DA **20-40mm** zoom lens is purpose-built for **APS-C** format DSLRs using the **Pentax K** mount, offering a practical standard zoom range that suits a wide variety of photographic subjects. With a **variable maximum aperture of f/2.8 at 20mm narrowing to f/4 at 40mm**, it delivers solid light-gathering performance across the zoom range. The lens supports both **autofocus and manual focus**, ensuring flexibility in operation whether you're shooting fast-moving subjects or fine-tuning focus manually. At just **283g**, it is impressively compact for a zoom lens, making it an easy companion for travel, street photography, or everyday use. The **55mm filter thread** allows for straightforward attachment of popular filter types. With **no image stabilization** on board, photographers will want to be mindful of shutter speed in lower light conditions. Overall, this is a well-specified compact zoom tailored specifically for Pentax K mount APS-C shooters.

Covers 31-62mm full-frame equivalent, spanning moderately wide to standard perspectives in a single lens.

20-40mm APS-C Zoom Range

Opens to f/2.8 at the wide end for improved light gathering and subject separation in tighter conditions.

f/2.8-4 Variable Aperture

Pentax's HD multi-layer coating reduces flare and ghosting for improved contrast and color fidelity.

HD Lens Coating

WR sealing protects against dust and moisture, allowing confident use in adverse outdoor conditions.

Weather-Resistant Construction

Part of Pentax's premium Limited lineup, featuring a compact metal construction with refined fit and finish.

Limited Series Build Quality

Internal DC motor drives quiet and smooth autofocus, well-suited to both stills and video capture.

DC Autofocus Motor

Exceptionally light for a standard zoom, making it a practical everyday carry lens for Pentax DSLR shooters.

Compact 283g Design

Extra-low dispersion glass minimizes chromatic aberration for sharper, cleaner images across the zoom range.

ED Glass Element

Compatible with the full range of Pentax K mount APS-C DSLRs, including in-body shake reduction systems.

Pentax K Mount

A common, affordable filter size that makes it straightforward to use polarizers, ND filters, and other accessories.

55mm Filter Thread

User Manual

HD Pentax DA 20-40mm f/2.8-4 ED Limited DC WR Zoom Lens

My top 5 Pentax Lens

What's the big deal with the Pentax 20-40mm Limited lens?

Pentax 20-40mm f/2.8-4 Limited zoom lens review

Amazing lense throughout the zoom range sharp and very nice contrast.  Focusing is smooth.  Cosmetically it has some very minor pain wear, overall in excellent shape with clean glass.  Comes with hood, front and rear caps.

<p><span style="background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);">Amazing lense throughout the zoom range sharp and very nice contrast.  Focusing is smooth.  Cosmetically it has some very minor pain wear, overall in excellent shape with clean glass.  Comes with hood, front and rear caps.</span></p>

Spec	Detail
Use Cases	Travel
Lens Type	Zoom
Format	APS-C
Zoom/Prime	Zoom
Focal Length	20–40mm
Maximum Aperture	f/2.8
Camera System	DSLR
Lens Mount	Pentax K
Autofocus	Yes
Focus Type	Auto, Manual
Image Stabilization	None
Filter Thread	55mm
Weight	283g

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HD Pentax DA 20-40mm f/2.8-4 ED Limited DC WR Zoom Lens

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