HD Pentax DA 15mm f/4 ED AL Limited Lens (Black)

Model #21470

Pentax Warranty - USA Version
Pentax 21470 1
Pentax 21470 1
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Dimensions (dxl) Approx. 2.5 x 1.6" (63.50 x 40.64 mm)
Filter thread Front: 49 mm
Weight 6.7 oz (190 g)


Minimum focus distance 7.1" (18.03 cm)
Magnification 0.15x
Focal length 15 mm
Comparable 35mm Focal Length: 23 mm
Angle of view 86°
Aperture Maximum: f/4
Minimum: f/22
Groups/elements 6/8
Camera mount type Pentax K
Diaphragm blades 7
Format compatibility Pentax Digital (APS-C)


Autofocus Yes
Expert Reviews
Pc magazine.32817846
15 September 2016

The Pentax HD DA 15mm F4 ED AL Limited is an impressively sharp wide-angle lens with minimal distortion.

  • +

    Compact. Built-in hood. Impressively sharp. Minimal distortion. Quick-shift focus system. Excellent build quality. Fairly even illumination.

  • -

    Disappointing edge performance at f/4. Some chromatic aberration. Screw-in lens cap. Not weather sealed.

Lenstip com.34355424
16 August 2011

The summary of this lens’s test can be written in several different ways. Certainly you can praise the unquestionable advantages – good workmanship, compact dimensions, and a really sensational image quality in the frame centre.

  • +

    Very solid and well-done casing,, Sensational image quality in the frame centre,, Moderate chromatic aberration,, Low distortion for such an angle of view,, Negligible astigmatism,, Very fast and efficient autofocus.

  • -

    Weak image quality on the edge of the frame,, Distinct coma.

Photozone de.34752480
18 October 2009

The SMC-DA 15mm f/4 AL ED Limited is a another desirable pancake lens by Pentax. The lens is capable of producing very sharp and contrasty images at medium aperture settings. At large apertures the border quality is somewhat softer so it may not be the first choice for available light photography...

User Reviews
B h photo.32817553
9 April 2017

I've had this lens for about five weeks and I am very glad that I bought it. Here are a few reasons why I say that:1) The lens appears to be very well constructed. It has a solid feel to it.2) I love the color and contrast that I see in photos taken with this lens.

14 May 2016

Nice compact size. Review is based off use on K3ii So far, for me it hasn't lived up to the hype. Overall the lens is a little softer than I expected, I have looked at other samples online and don't think it was just my copy.

31 July 2017

Perfect wide angle shots

B h photo.32817553
16 July 2017

Exactly what we were looking for to shoot real estate interiors. Prime quality and room wide but not too wide so as to distort the image. We shoot executive groups with from 15=30 people in the shot- sometimes indoors and sometimes outdoors.

B h photo.32817553
8 March 2017

I was studying up on old fashioned prime lenses when I chanced upon this lens, which is unavailable in Australia. The wide angle, the depth of field scale and the 18cm close focus meant it would be ideal for model train photography.

B h photo.32817553
28 January 2017

Just got back from Antarctica and really impressed with the quality of the pictures. The glass and quality has far surpassed my expectations. If you're thinking of buying this lens, stop debating and make the purchase!

B h photo.32817553
14 June 2016

Love the build quality of this metal super wide angle (about 22.5mm focal length in Full Frame terms) lens. Was debating between buying this lens and the 10-24mm Wide Angle zoom. I'm glad I went with this smaller, lighter weight option.

16 March 2016

I LOVE this lens! It is delightfully compact, solidly built, and perfectly sharp and contrasty. I wouldn't mind if it were faster for lower light situations, but not if it came at the cost of image quality throughout. I believe the design goals were excellent, as is the execution.

B h photo.32817553
10 January 2016

I am in the midst of changing from zoom lenses to a series of primes. The primes give better image quality and as importantly they make me consider the shot before I click the shutter.I had the Pentax 12-24 and while a great lens it is also huge, and made me a lazy photographer.

B h photo.32817553
28 December 2015

This lens just oozes quality build. It focuses quickly and quietly and the images with it are very clean and sharp.Its focal length makes it is ideal for indoor use as well as for wide scenery shots.

Product Highlights
  • Pentax K Mount
  • 23mm (35mm Equivalent)
  • Aperture Range: f/4 to f/22
  • Low Distortion Wide-Angle Design
  • ED Glass and Hybrid Aspherical Element
  • High-Grade Multi-Layer HD Coating
  • Super Protect Lens Coating
  • Quick-Shift Focus System
  • Seven-Blade Rounded Diaphragm
Average Expert Score
Average User Score
In The Box
  • Pentax HD Pentax DA 15mm f/4 ED AL Limited Lens (Black)
  • Lens Cap for smc PENTAX DA 15mm f/4 ED AL Limited Lens
  • Rear Lens Cap (B) for Bayonet Mount Lenses
  • 70mm DA Soft Lens Case
  • Limited 1-Year Warranty
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