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SMC Pentax-F 50mm F1.4

Sharpness 
 8.5
Aberrations 
 9.0
Bokeh 
 10.0
Autofocus 
 8.5
Handling 
 9.0
Value 
 8.0
Reviews Views Date of last review
11 29,006 Sun September 25, 2011
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Recommended By Average Price Average User Rating
100% of reviewers $285.50 9.36
SMC Pentax-F 50mm F1.4
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Description: This is a very fast and compact standard autofocus lens.


WeightLengthFilter DiameterMin. FocusMax. Magnification
230 g3.7 cm49 mm45 cm0.15x
Diagonal FOV (APS-C)Horizontal FOV (APS-C)Max. ApertureMin. Aperture Optical Construction
32 degrees27 degreesf/1.4f/227 elements, 6 groups, 8 blades
Diagonal FOV (24x36)Horizontal FOV (24x36)
47 degrees40 degrees
Features:
Screwdrive AutofocusAperture RingAutomatic ApertureFull-Frame SupportDiscontinued
Price History:


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Author:
Showing Reviews 1-11 of 11
Senior Member

Registered: March, 2011
Location: United States
Posts: 155
Lens Review Date: September 25, 2011 I can recommend this lens: Yes | Price: $300.00 | Rating: 8 

 
Pros: 1.4 aperture, good images
Cons: Plasticky, value
Sharpness: 8    Autofocus: 8    Handling: 8    Value: 7   

It's a good lens, but I had a lot of expectations reading these reviews.

I was disappointed in the sharpness even stopped down. It's not a great lens, just good. Maybe it's better on film. It's an 8, not a 10.

Recommended if you can get it under 200. For 300+, there are better options including a new FA50 or even better an FA43 LTD. For me, the FA43 is way sharper across all apertures with better color.
   
Senior Member

Registered: May, 2009
Location: Newbury, Ontario
Posts: 254
Lens Review Date: April 28, 2011 I can recommend this lens: Yes | Price: $370.00 | Rating: 9 

 
Pros: Good build quality, sharp when stopped down
Cons: None

I bought this lens new back the early 1990's. I thought it was on the pricey side at the time but I do not regret getting it now. The focusing on it is not as smooth as the older M-series I have but it feels more solid then the F-series 28 to 80mm lens. It would be nice to have a bit closer focusing distance but the minumum focusing it does have is workable. It is great that it works on the new D-slr's as well as it does. The combination of it's fast working aperture allows the use of lower ISO settings and cleaner image quality is the result.

It is nice to work with a fixed lens like this so one can improving there picture taking by learning some on the limitations that a prime lens gives. It makes one have to work that much more to get a working image. It sounds a bit old school but I think this is a great way to learn picture taking still. I think that anyone should have at least one prime lens in their camera kit. This 50mm f1.4 lens is one to look out for!! It is worth the cost.
   
Pentaxian

Registered: October, 2010
Location: Baltimore
Posts: 2,080
Lens Review Date: March 6, 2011 I can recommend this lens: Yes | Price: $80.00 | Rating: 9 

 
Pros: Superb IQ and Fast
Cons: None really
Sharpness: 9    Aberrations: 9    Bokeh: 10    Autofocus: 9    Handling: 10    Value: 9   

I consider the F 50/1.4 my best all around lens, no doubt.

Produces vibrant, contrasty and very detailed images. If you're a sharpness freak this lens will not disappoint. Image Quality is second to none!!!

For the bad, it does show signs of PF/CA wide open but only on high contrast images and even then only in certain situations, I wold consider this a non issue. The 50mm FL is just OK, kinda lost in nowhere's land. I don't really care for the focusing ring on any of the F lenses.

If this lens is within your budget, it's worth it!!!





   
Junior Member

Registered: December, 2010
Posts: 38
Lens Review Date: February 23, 2011 I can recommend this lens: Yes | Price: $320.00 | Rating: 10 

 
Pros: IQ, design, machanic quality,
Cons: minimal focusing distance a bit too far

I love the picture quality and fast/acurate af.
it produces some chromatic aberration when fully opened, but all fast lenses do the same.
AF works realy fast / with precision. still sharp at the center at 1,4.
sharp as a razor since 2.8-3. ultra sharpness at 4-5,6.
9/10, because I think, that smc-k 50mm 1,4 is even a bit sharper.
both could have shorter minimal focusing distance...

bottom line - great lens with high quality beautiful desin (like jvc boomox from the 80s)

9,5/10 , but there is no 9,5 so I give 10.




looks and works very well with k-5 body.
   
Senior Member

Registered: November, 2008
Location: North Carolina
Posts: 105
Lens Review Date: February 10, 2011 I can recommend this lens: Yes | Price: $350.00 | Rating: 10 

 
Pros: Build, Sharpness, Detail, Bokeh
Cons: Nil

I've sold all my other Pentax 50mms, including the FA version, and kept the best of the lot. This one is built better than the FA version (more metal) and focusing has been spot on with my Pentax digitals. I've sold many a landscape taken with this lens.
   
Forum Member

Registered: June, 2008
Location: Bergerac, France
Posts: 65
Lens Review Date: March 24, 2010 I can recommend this lens: Yes | Price: $300.00 | Rating: 9 

 
Pros: excellent colour rendition
Cons: plasticky and very pronounced chromatic aberration below f2.0

I bought this to replace a 50mm PKA f1.7 which, to be honest, I found rather disappointing.

This lens is worthy of its reputation, and worth every penny of the $300 I paid for it - attached to an SFX and with a bag and cobra flash. Excellent in low light and as sharp as you like. I don't find it at all soft at the centre when wide open - but I do find that autofocus on both the K10D and K20D is a little out (too far away) when the focusing distance is short, less than a metre. When adjusted for the images are sharp, even from f1.4. The colours are warm, soft and true. Lovely.

The only fly in the ointment is the rather obvious chromatic aberration which luckily is only apparent below f2.0, always the same shade of blue and only in what we french dwellers call 'contre jour' or against the light shots.

Thoroughly recommended and I would cry if mine broke.
   
Pentaxian

Registered: May, 2009
Location: USA
Posts: 1,584
Lens Review Date: July 10, 2009 I can recommend this lens: Yes | Price: $335.00 | Rating: 10 

 
Pros: Top of the line AF Pentax optics; small and light.
Cons: Outer build.

There's a reason why this received the 3rd highest MTF score from respected lens review site photodo, sitting right behind a Contax Planar and a Canon 200 1.8. and equal to the best scored Leica. Shooting portraits, I can see every wrinkle, pore, and tiny hair with this lens. Having used the FA 50mm in the past, I can attest that this is a tad sharper, as others have mentioned. In fact, for some reason, whether it be the change in outer materials, nearly all the F series primes scored slightly higher than their FA replacements on photodo. I personally like the appearance of this lens better than the all black with no color details of the FA50.

The bokeh is excellent and perfect for portraits, and the focal length on your 1.5x DSLR is great at around 75mm. I do notice that it seems like you have to get in a little closer than if you had a 35mm film lens set at 75mm.

The only drawback to this lens is it's outer build, which usually can get marked up if you don't have an excellent example. However, this also makes the lens extremely lightweight, especially on a DSLR. Using this on my K20D without the grip is light as a feather and a world away from holding the FA 85mm on a PZ-1P body. It's a whole new experience in lightweight, fast, razor sharp optics.

It's lenses like this that should make people never buy Canon or Nikon. Grab this while you can, as it's becoming increasingly hard to find and with the FA 50mm climbing in price, this should go up as well. My paid price was for new in the box.
   
Forum Member

Registered: March, 2009
Posts: 71
Lens Review Date: June 17, 2009 I can recommend this lens: Yes | Price: $230.00 | Rating: 9 

 
Pros: small, lightweight, max aperture, DOF, has character
Cons: has character (not everyone may like it), color rendition

Bought this lens second hand as my first prime ever and some months later my primary zoom lens had to be sent for servicing, therefore I was stuck with this lens for a few weeks and had a proper chance of trying it.

This lens is a grand stuff, it's sharp, small and excellent in every way. It is a joy to use, even in MF, although the focusing ring isn't perfect.

In the beginning I feared something was wrong with it because the images seemed a bit too creamy and lifeless, even through the viewfinder the colors seemed to lose some vibrancy. Now I know that it captures all the details but just has a very special way of showing them, a very smooth way. As for the colors, yes, they are a bit dimmer, but this is nothing that can't be saved in post-processing.
   
New Member

Registered: September, 2008
Location: Iowa
Posts: 2
Lens Review Date: February 14, 2009 I can recommend this lens: Yes | Price: $350.00 | Rating: 10 

 
Pros: Fast and Very Sharp.
Cons: Hard to find

I was able to tell a difference between the FA and the F versions although the optics are supposed to be the same, perhaps a QC issue with the FA's (not that they are not very good lenses). The F's were just sharper.
   
Senior Member

Registered: January, 2008
Location: Miami, Florida
Posts: 205
Lens Review Date: October 17, 2008 I can recommend this lens: Yes | Price: $220.00 | Rating: 10 

 
Pros: Sharp as a tack, built like a tank
Cons: None

I had the FA version and sold it. Other than the construction (more metal), I can not tell the difference on the two. They are both great lenses. A must have in my collection. The F version is hard to find.
   
Forum Member

Registered: June, 2007
Location: Belgium
Posts: 91
Lens Review Date: September 7, 2008 I can recommend this lens: Yes | Price: N/A | Rating: 9 

 
Pros: tack sharp, great bokeh, light & compact
Cons: build quality a little less than FA-sibling

Excellent lens.

Every photographer should have a 50mm in his/her camera bag, and this one's a real gem!

Optically it's identical to the much more common FA 50mm, so in that field it is excellent.

Of course at 1.4 it won't be super sharp (show me such a fast lens that is...) but for portraits this is perfect.
From 2.0 and onwards it becomes razor sharp.

The bokeh is incredible. Creamy and soft.
The color redition is excellent aswell.

Build quality-wise it looks and feels a bit cheaper than the newer FA 50mm, but since they're optically identical, i could not care less.

Tom
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