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Pentax Normal SMCP-FA 50mm f/1.4 Autofocus Lens

BH #PE5014FA • MFR #20817
Pentax Normal SMCP-FA 50mm f/1.4 Autofocus Lens
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Pentax FA 50mm f/1.4 Overview

A standard lens for Pentax autofocus cameras with a bright f/1.4 aperture.  The SMCP-FA 50mm f/1.4 is an excellent choice for lowlight handheld photography, and effectively becomes a brilliant short telephoto portrait lens when used upon the *ist series of digital SLR cameras.  The Pentax Super Multi Coating process provides the highest possible transmission of light.

If you use the SMCP-FA 50mm f/1.4 with an *ist series digital SLR camera and desire the light-shielding contrast benefits from a lens hood, Pentax's RH-RB49 hood (catalog number 34774, B&H item code "PELH70210AF") provides the most effective shielding.  While this hood would cause vignetting with a full-frame 24 x 36mm-type camera(such as a Pentax 35mm SLR), the smaller 23.5 x 15.7mm sensor size of the *ist series makes the RH-RB49 an ideal shielding device.  In such applications, a 49mm polarizer can be used at the front of the hood with no darkening of the image corners.

UPC: 027075030534

Pentax FA 50mm f/1.4 Specs

Focal Length50mm (35mm Equivalent Focal Length: 75mm)
Maximum Aperturef/1.4
Minimum Aperturef/22
Lens MountPentax K
Lens Format CoverageFull-Frame
Angle of View47°
Minimum Focus Distance1.5' / 45.72 cm
Maximum Magnification0.14x
Optical Design7 Elements in 6 Groups
Diaphragm Blades6
Focus TypeAutofocus
Image StabilizationNo
Filter Size49 mm (Front)
Dimensions (ø x L)2.5 x 1.5" / 6.35 x 3.81 cm
Weight7.8 oz / 221 g
Packaging Info
Package Weight0.68 lb
Box Dimensions (LxWxH)3.8 x 3.7 x 3.5"

Pentax FA 50mm f/1.4 Reviews

A great lens for the K-1.

By Eric
Rated 5 out of 5
Date: 2021-07-31

I really like this lens. Had used an older 50mm f/1.7 and decided to try this one out. Really liking the results and it has been acceptably sharp for my purposes. All sample pics were taken at f/1.4. Nice to have a lens with this spec at this price and size.


By Dom
Rated 5 out of 5
Date: 2017-09-15

Old technology but super sharp. Nice weight balance with K-1. Really impressed with this one.

Great sharp picture

By Lou
Rated 5 out of 5
Date: 2017-06-25

If you are looking for a great boke use this lens. It is great.

Marvelous lens

By Anonymous
Rated 5 out of 5
Date: 2017-06-19

This Pentax 50mm f/1.4 lens is perfect for daily use. The focus is outstanding and the color is true in all light conditions.

Yes I would recommend it.

By Anonymous
Rated 5 out of 5
Date: 2016-12-07

Excellent glass. Very sharp and precise . Great low light performance. Incredible optics for such old technology but PENTAX prove it again that they make high quality product with no exceptions. Get any lens from a past or new just use it for right sensor format. These 50mm f/1.4 is beautiful. Light weight, compact, fast, produce an excellent bokeh and have a very small DOF. Love that lens.

Looks good

By revdr
Rated 4 out of 5
Date: 2015-01-13

I use this lens to increase bokeh behind the subject. Works as I had hoped. Not the most expensive lens, but for f1.4 it will fit my needs nicely.

Works great

By Bruce
Rated 5 out of 5
Date: 2020-05-12

The lens focuses fast on my k-3, the pictures are sharp and it works great in low light. The only drawback is the small focus ring, but as I use autofocus over 95% of the time this is not an issue. B&H service was great offering advice on accessories and fast shipping.

Pentax normal smcp-game 50mm f/1.4 Autofocus Lens

By Oeun
Rated 5 out of 5
Date: 2018-07-11

Very good lens for every day walking very clear and lightweight.

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Funciona esta lente con una Pentax K-70?
Asked by: Marcelo
S, el SMCP-FA 50mm funcionar bien con el Pentax K-70. La distancia focal de 50 mm ser un teleobjetivo suave en el sensor APS-C de la cmara.
Answered by: Dennis A L.
Date published: 2018-08-27

Does this include a hood?

Does this include a hood?
Asked by: Adam
No it does not come with a lens hood.
Answered by: Stephen
Date published: 2020-07-05


Does this lense work with the K5iis?
Asked by: Anonymous
It works on the K-5 (which I own), it will work on the K-5II.
Answered by: Howard T.
Date published: 2018-08-27


Does this lens work with a Pentax Program Plus?
Asked by: Vicky A.
I use it on a Pentax K-500 and it works beautifully on any setting on the camera
Answered by: Charlie C.
Date published: 2018-08-27


would this lens work with the NEW Pentax K-1 Full Frame DSLR Camera?
Asked by: Maria H.
Absolutely. Set the aperture to A.
Answered by: Howard T.
Date published: 2018-08-27


Does this lens work with a canon rebel t3i?
Asked by: Anonymous
I do not know.
Answered by: PAVEL B.
Date published: 2018-08-27
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