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Pentax SMC M 50mm f/1.4 : Specifications and Opinions

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The Pentax SMC M 50mm f/1.4 is a standard lens for FF and APS-C, manufactured from 1977 to 1984 (discontinued). The focus is done by Manual Focus, it does not have image stabilization. The list price, when it was announced (1977) was 100 €;

11 users have given it an average vote of 9.1 out of 10.

Specifications
Focal lenght	50 mm
Angle of view	46.8°
Format	FF, APS-C
Max. aperture	f/1.4
Aperture blades	8
Lenses/Groups	7 elements in 6 groups
Min. focus distance	0.45 meters
Reproduction ratio	0.15x
Features
Zoom type	Ring, external
Stabilization	No
Focus	Manual Focus
Internal Focus	No
Built and notes
Tripod ring	No
Extenders	Yes
Filters	49 mm
Lens hood	Yes (not supplied)
Weather sealing	No
Weight	235 g
Dimensions	63 x 37 mm
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Reviews

What do you think about this lens?

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The following opinions have been automatically translated with Google Translate.

Fabio Cammalleri

sent on March 06, 2020

Pros: GOOD for APS-C. Constructive quality, openness. Low distortion. Price?

Cons: Low-brightness chromatic aberrations. Actual utility on the K-1. Price?

Opinion: So I've tried the K-A version not featured on Juza, but that apart from the automatic diaphragms adjustment is pretty much the exact same lens. I put it to the test: I did a low-light shot on the F.F. K-1, pushing it to FREE MANO at crazy times 1/10 1/8 (helped by stabilization on the sensor) and maximum opening f1/1.4 to capture as much light as possible. The lens gave good sharpness (generally excellent only to the most closed diaphragms) and gave in the worst case a chromatic aberration only on the lights, magenta color, easily recoverable in the post. Lack of focus is not a problem on portraiture, an area in which it lends itself more. For the rest I think the price today is an enigma and in fact I put it both on the pros, and on the cons, but it depends on who buys it and for what: in fact, it is true that the autofocus Pentax-D FA HD 50mm f1.4 in comparison costs a kidney, but it is also true that in addition to having the ultrasonic autofocus the modern version has a SUPERBA quality, the maximum opening that reduces the area of fire you use it "maybe" once a month, in short, I bought it at 130 degrees, thinking it was different from the Pentax-F 50mm f1.7 that is around at less than 100 degrees... but I was wrong, in addition to the Pentax-F f1.7 has nothing apart from the opening to f1.4, so... SU Full-Frame if you don't need to use it, except in particular conditions that oblige such an exaggerated opening, so for the K-1 I do not recommend it at all. INVECE on aps-c (tried on K3) where thanks to the crop factor uses only the central part of the lens, so the best, it makes much more sense to use it at maximum opening (f1/1.4) and "seems" to be much sharper (of course, you only use the middle part). SO YES, ON APSC are 130 euros well spent. Today I would give him a rating of 8 out of 10.

DomFotografia

sent on September 04, 2017

Pros: Construction, Defocused (Bokeh), Weight, Sharpness, Dimensions

Cons: Price

Opinion: Excellent fifty millimeters of Pentax home. Mechanically built with the standar (superior) of the era. Very blurry. Very good yield at full opening, closing at 2.8 becomes a blade. Small dimensions, short maf run. With the bodies of the motherboard, it is easily used, facilitated by MAF assistance both acoustic and visual. High price.

Phsystem

sent on December 12, 2014

Pros: Small in comparison to the same focal length and optical brightness designed for digital, but despite its size is very bright and excellent quality, especially when used with a film camera or a digital Leica format.

Cons: The high quality that can be found by using it with a reflex sensor size 24x36mm decade if used at full aperture with an APS-C. But already diaframmando 5.6 fixes the problem at least parzialmente.rn

Opinion: It 'a great lens that I have since I started taking pictures with a film SLR Pentax and is bright enough to focuse hand with a digital means formato.rnSe is used with a digital SLR Pentax loses only partially autofocus. I wrote in part because not having the PTO for the motor focus must focuse by manually rotating the focus ring to focus, but with a Pentax when you reach the point of focus the LED confirmation and also hears the tone. Then, I always refer to the 50mm f / 1.4 mounted on a Pentax camera body, if we set the mode catch in focus, we can be sure of perfect focus by rotating the lens because the shutter automatically when it reaches the set- fuoco.rnUn last consideration, but perhaps this is only valid coupling it to a Pentax, if we set the M mode and move the lever to the right to coax shutter button would have the digital meter displays in mirino and so we could take pictures as it was once. Latest note: in automatic mode aperture priority, as there is no electrical contacts, always will shoot at full aperture with the ring positioned at a different point from f / 1.4.rnConcludo: Pentax SLR with this view is automatically stabilized, obviously selecting menu from the focal length 50mm.rn

Fabioviti

sent on December 11, 2014

Pros: Construction, sharpness, color rendering and blurred .... all amazing

Cons: currently none

Opinion: I found this in a small lot vintage I paid € 30 uri. Once disassembled, cleaned of mold and lubricated all the internals I started usarlo.rnMe immediately fell in love. It 'a lens estrememente solid and satisfies suffered since he observed the subject from mirino.rnLa color rendering is realistic and saturated, so that he would not even need to touch up in PP. The definition of details even better 50 F1.7. The blur is very pleasant, thanks to 8 blades diaframma.rnUsato indoors does not need much help from lamps or flash ... its openness allows you to work with poor luce.rnSpero soon be able to add more images impressioni.rnAl moment and it seems to me one of the best lenses I've tried and owned.

Photos taken with Pentax SMC M 50mm f/1.4

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WS of Pictorial Portrait at Figurative Evening 3

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56 comments, 1217 views

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Jessica in Piazza Gae Aulenti 1

by Francescoc
56 comments, 2357 views

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WS of Pictorial Portrait at Figurative Evening

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Jessica, shot fifth, BN

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Miriam 4

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Glasses Bokeh

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24 comments, 3789 views

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Claudia 8

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Claudia 9

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On the terrace, 1

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Micaela's body 1 BW

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Miriam 2

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Reviews » Lenses » Lenses Pentax » Pentax SMC M 50mm f/1.4

Pentax SMC M 50mm f/1.4 : Specifications and Opinions

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Reviews

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Photos taken with Pentax SMC M 50mm f/1.4