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Pentax HD DA 15mm f/4 ED AL Limited

The Pentax 15mm f/4 ED AL is a 15mm f/4 lens designed for Pentax K mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Pentax HD DA 15mm f/4 ED AL Limited

Pentax HD DA 15mm f/4 ED AL Limited

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Lens Overview — Pentax 15mm f/4 ED AL

The Pentax HD DA 15mm f/4 ED AL Limited is a wide-angle prime lens built for APS-C DSLRs using the Pentax K mount. With a fixed 15mm focal length, this lens sits firmly in wide-angle territory, making it well suited for landscape, architectural, and environmental photography where a broad field of view is a priority. The lens is a prime, meaning there is no zoom range to contend with — what you get is a single, dedicated focal length designed to deliver consistent optical performance.

Autofocus is supported alongside manual focus, giving shooters flexibility depending on the shooting scenario. The maximum aperture comes in at f/4, which is a moderate opening for a wide-angle prime of this focal length. At just 189 grams, the lens is notably lightweight, fitting into the compact philosophy of the Limited lens lineup.

It accepts 49mm filters, a small thread size that reflects the lens's modest physical footprint. Image stabilization is not included in this lens, so steady shooting relies on either the camera body's stabilization system or good handholding technique. Overall, this is a purposeful wide-angle prime for Pentax APS-C shooters who value portability and a dedicated focal length.

Key Features — Pentax 15mm f/4 ED AL

15mm Prime Focal Length: Fixed wide-angle field of view equivalent to roughly 23mm in full-frame terms, well suited for landscapes, architecture, and environmental work.

HD Lens Coating: Pentax's HD (High Definition) multi-layer coating reduces flare and ghosting for cleaner images when shooting toward light sources.

ED and AL Glass Elements: Extra-low Dispersion and Aspherical lens elements work together to minimize chromatic aberration and distortion across the frame.

Limited Series Build: Part of Pentax's premium Limited lineup, featuring a precision metal barrel construction with a refined fit and finish.

Pentax K Mount: Mounts directly to Pentax K mount APS-C DSLRs and is compatible with Pentax's in-body Shake Reduction system for stabilized shooting.

Autofocus and Manual Focus: Supports both AF and MF operation, giving shooters flexibility across a range of shooting scenarios.

Lens Specifications — Pentax 15mm f/4 ED AL

Pentax 15mm f/4 ED AL full specifications
SpecDetail
Use CasesTravel
Lens TypeWide-Angle
FormatAPS-C
Zoom/PrimePrime
Focal Length15mm
Maximum Aperturef/4
Camera SystemDSLR
Lens MountPentax K
AutofocusYes
Focus TypeManual, Auto
Image StabilizationNone
Filter Thread49mm

Description — Pentax 15mm f/4 ED AL

The Pentax HD DA 15mm f/4 ED AL Limited is a prime wide-angle lens built around a fixed 15mm focal length, designed exclusively for APS-C format cameras on the Pentax K mount. With a maximum aperture of f/4, the lens offers a solid starting point for wide-angle shooting across a range of lighting conditions. Autofocus is fully supported, and manual focus is also available, giving the photographer control over how focus is acquired.

Weighing only 189 grams, this is a compact and carry-friendly option that won't add significant bulk to a camera kit. The 49mm filter thread means standard circular filters — polarizers, ND filters, and others — are affordable and easy to source. Image stabilization is not present in the lens itself, so stabilized shooting depends on the camera body or careful technique.

This is a purpose-built wide-angle prime for Pentax APS-C DSLR users who want a lightweight, dedicated focal length for their kit.

Pros — Pentax 15mm f/4 ED AL

  • ✓Lightweight at 189g, making it easy to carry for extended shoots
  • ✓Compact 49mm filter thread size keeps accessory costs low
  • ✓Dedicated 15mm prime focal length offers a consistent wide-angle perspective

Cons — Pentax 15mm f/4 ED AL

  • ✗Maximum aperture of f/4 is relatively modest for a prime lens, limiting low-light capability
  • ✗No image stabilization included, placing the burden on camera body IBIS or handholding
  • ✗APS-C-only format limits use to crop sensor bodies; not compatible with full-frame sensors

Videos — Pentax 15mm f/4 ED AL

Pentax DA 15mm Limited Lens - All The Stories Are True - Shooting My First Pentax DA Limited Lens — snappiness

Resources & Downloads — Pentax 15mm f/4 ED AL

Manuals & Guides

Frequently Asked Questions — Pentax 15mm f/4 ED AL

What camera mount does this lens use?+
The Pentax HD DA 15mm f/4 ED AL Limited uses the Pentax K mount. It is designed specifically for Pentax K mount DSLRs and will not natively fit other camera systems.
Does this lens support autofocus?+
Yes, the lens supports autofocus in addition to manual focus. Shooters can switch between both modes depending on the situation.
What sensor size is this lens designed for?+
This lens is designed for APS-C format cameras. It is not a full-frame lens, so it is best matched with Pentax APS-C DSLR bodies.
Does the lens have image stabilization?+
No, image stabilization is listed as None for this lens. If stabilization is needed, it would need to come from the camera body itself.
What filter size does this lens accept?+
The lens has a 49mm filter thread, which is a relatively small and common filter size that keeps accessory costs manageable.
How heavy is this lens?+
The lens weighs 189 grams, making it one of the lighter wide-angle options available for Pentax K mount shooters.

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