Pentax Normal smc P-D FA 50mm f/2.8 Macro Autofocus Lens

Model #21530

USA Version
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Weight 9.3 oz (264 g)
Filter thread 49 mm
Dimensions (dxl) Approx. 2.6 x 2.6" (6.60 x 6.60 cm)


Magnification 1x
Camera mount type Pentax K
Aperture Maximum: f/2.8
Minimum: f/32
Minimum focus distance 5.91" (15 cm)
Diaphragm blades 8
Format compatibility 35mm Film / Full-Frame Digital Sensor
Pentax Digital (APS-C)
Angle of view 47°
APS-C Picture Angle: 31.5°
Maximum reproduction ratio 1:1
Groups/elements 7/8
Focal length 50 mm
Comparable APS-C Focal Length: 75 mm


Image stabilization No
Autofocus Yes
Tripod collar No
Expert Reviews
6 July 2014

This lightweight 50mm macro lens has a bright maximum aperture of f/2.8, costs around £320 and offers life-sized magnification at its closest focus distance. On a Pentax DSLR this lens provides an angle of view roughly equivalent to a 75mm lens used on a 35mm camera.

13 January 2014

Optically, it is very difficult to fault this lens, as the performance it delivers is excellent in every respect. Unfortunately, the design of the lens, and the way it handles feels a little dated, especially when compared to the latest Macro optics offered by the likes of Canon and Nikon, which...

  • +

    Outstanding sharpness, Relatively lightweight, Decent build quality, Good value

  • -

    No focus limiter, Manual focus ring is loose without clamp and feels gritty with it engaged, Hyperfocal scale is of limited use

User Reviews
B h photo.32817553
15 December 2015

I shoot a lot of product/high end crafts and this lens fills in nicely between the Pentax 35 mm and 100 mm macro lenses. Image quality is excellent, and the lens seems to be well built. It is even better than the excellent SMC A manual focus 50 mm macro it replaces.

28 April 2017

What I don't like is the absence of focusing range limiter - the camera, often, search for a long time to focus) and the so-so built quality: focusing ring not tight, 'plastic' feeling.

  • +

    Image Quality

  • -

    Built quality, Autofocus

22 May 2017

This lens was worth every penny. I have been working on my portrait photography but having the right tool for the job sure does make a difference.

30 March 2017

The best lens I own. I never knew how many photos I was missing out on until I got a decent macro. It's also a great street lens (on full frame) and portrait lens (on APS-C or cropped).

B h photo.32817553
15 March 2017

I bought this lens to try out a Pentax system and was fairly pleased with it, especially the image quality. The coatings are not dust-resistant, however; there was dust on the lens before I could get the filter on, and I was never able to get it completely clean, which is different from my...

15 March 2017

Purchased for the Pentax k1. Very sharp and responsive focus.

B h photo.32817553
14 March 2017

I got this lens for the sole purpose of copying artwork. With my K-1 with Pixelshift on, manual focus zoom, mirror up, AA filter off and tethered exposure, it delivers AMAZINGLY sharp images. I've found the sharpest aperture for this lens to be f/5.6.

B h photo.32817553
10 December 2016

This lens is as the headline suggests. Very sharp even wide open. The images are much more crisp than my da* 50-135 2.8 at 50mm. Handles flare and Abberations quite well. Very good first lens for my K5. Can't wait to pip it on the K1.

5 July 2016

I've tested over 30 different lenses on my Pentax K1 camera. Many of these lenses are premium quality Zeiss and Voigtlander manual focus lenses.

  • +

    Insanely sharp on K1

  • -

    Cheap plastic body and lower quality build

16 June 2016

I am quite amazed by its sharpness. It took me some time to get used to the macro feature. I feel that 100mm would be lot easy if you are shooting insects. I find it very difficult to focus on the moving subjects with macro feature. Here is a shot that i am satisfied

  • +


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Product Highlights
    Average Expert Score
    Average User Score
    In The Box
    • Pentax Normal smc P-D FA 50mm f/2.8 Macro Autofocus Lens
    • Front & Rear Lens Caps
    • PH-RBC Lens Hood
    • 1-Year Warranty
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