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SMC Pentax 135mm F3.5

Sharpness 
 9.4
Aberrations 
 8.6
Bokeh 
 8.8
Handling 
 8.9
Value 
 9.4
Reviews Views Date of last review
12 90,240 Wed November 20, 2019
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Recommended By Average Price Average User Rating
100% of reviewers $98.35 8.83
SMC Pentax 135mm F3.5

SMC Pentax 135mm F3.5
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SMC Pentax 135mm F3.5
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Description:
The SMC Pentax "K" 135mm F3.5 is a first-generation manual telephoto prime lens with the Pentax K bayonet mount. It was succeeded by the more compact SMC-Pentax M 135mm F3.5

SMC Pentax 135mm F3.5
© www.pentaxforums.com, sharable with attribution
Image Format
Full-frame / 35mm film
Lens Mount
Pentax K
Aperture Ring
Yes (no A setting)
Diaphragm
Automatic, 6 blades
Optics
4 elements, 4 groups
Mount Variant
K
Check camera compatibility
Max. Aperture
F3.5
Min. Aperture
F32
Focusing
Manual
Min. Focus
150 cm
Max. Magnification
0.11x
Filter Size
52 mm
Internal Focus
No
Field of View (Diag. / Horiz.)

APS-C: 12 ° / 10 °
Full frame: 18 ° / 15 °
Hood
Case
Dedicated hard case
Lens Cap
Plastic clip-on
Coating
SMC
Weather Sealing
No
Other Features
Diam x Length
63 x 88 mm
Weight
365 g
Production Years
1975 to 1977
Engraved Name
SMC PENTAX 1:3.5/135
Product Code
23440
Reviews
User reviews
Features:
Manual FocusAperture RingFull-Frame SupportDiscontinued
Price History:



Add Review of SMC Pentax 135mm F3.5
Author:
Sort Reviews by: Date | Author | Rating | Recommendation | Likes (Descending) Showing Reviews 1-12 of 12
New Member

Registered: January, 2019
Posts: 11
Lens Review Date: November 20, 2019 I can recommend this lens: Yes | Price: $30.00 | Rating: 9 

 
Pros: Nice build quality, Bokeh, very sharp
Cons: No A setting on aperture ring (doesn't bother me)
Sharpness: 9    Aberrations: 8    Bokeh: 9    Handling: 8    Value: 10   

I got this lens for portraits as I plan to do more studio work. However I used for street photography and street portraits on a number of occasions now.

Pairs nicely with both K-5 and K-70. One of the cheapest lens I've bought and one of the best.
   
New Member

Registered: May, 2013
Location: Jakarta
Posts: 2

2 users found this helpful
Lens Review Date: May 11, 2014 I can recommend this lens: Yes | Price: $110.00 | Rating: 9 

 
Pros: very sharp, built quality
Cons: prone to flare and CA in wide open, no hood
Sharpness: 10    Aberrations: 9    Bokeh: 9    Handling: 9    Value: 8    Camera Used: K5, MV, ME Super, a6000, a7   

very sharp, little bit heavy and bigger when it's compare to M version, be careful if shot in sun bright, it's prone to flare and CA, the lens character is similar to the big brother: SMC Pentax 135mm f2.5, additional hood should be installed when shot wide open in sun bright

any samples shots here:
https://www.flickr.com/photos/roe_groho/sets/72157657390213349
   
Junior Member

Registered: March, 2014
Posts: 27
Lens Review Date: April 3, 2014 I can recommend this lens: Yes | Price: N/A | Rating: 10 

 
Pros: sharp, affordable, build quality
Cons: harder to find & bigger than M version
Sharpness: 9    Aberrations: 9    Bokeh: 9    Handling: 9    Value: 10    Camera Used: KX, KM   

This lens I got with a KM together with a 55mm 1.8 K lens & 28mm 2.8 M lens for less than 40 dollar. I'm kind of lucky with finding vintage Pentax stuff I guess. Of course it has much more value than what I spent on it. The focussing is less smooth than with the other K lenses that I use but this lens looks so new that it might just have to loosen up. The build quality is as you can expect from a K lens; outstanding.

The pictures it took so far were very fine, didn't see any CA's, sharp across the entire frame at all apertures. It came with the original sunhood that clicks onto the lens in two ways, for taking pictures and for storing (backwards). It is about 2 cm longer then the M version. I didn't try the M version but wouldn't be surprised if the K version would be of better optical quality.


Don't mind the grain, this film has expired 6 years ago...
   
Inactive Account

Registered: February, 2012
Posts: 1
Lens Review Date: March 20, 2014 I can recommend this lens: Yes | Price: N/A | Rating: 9 

 
Pros: Very sharp and light enough to always cary
Cons: not as short as the m series
Sharpness: 9    Aberrations: 9    Bokeh: 8    Handling: 10    Value: 10    Camera Used: pentax k-5   

Very very nice lens. I already got the pentax-m 135 f3.5 which I did not like a lot.

But than I found this version at the second hand shop, and they asked only Ä3,50 ($4,80) for it!

When I first used the lens I was chocked, this lens is so sharp stopped down, such a big difference with the m series.
Pity that it's a bit slow, but in daylight this lens is truly a gem.

Some samples:





   
Senior Member

Registered: October, 2013
Location: Kent
Posts: 110

1 user found this helpful
Lens Review Date: December 20, 2013 I can recommend this lens: Yes | Price: $35.00 | Rating: 9 

 
Pros: Sharp, easy to use
Cons: none
Sharpness: 9    Aberrations: 9    Bokeh: 8    Handling: 9    Value: 10    Camera Used: Canon 50D (APS-C)   

I'm surprised that this lens isn't more popular, perhaps because it wasn't produced in great numbers or it may be that it is just overshadowed by it's big brother the K 2.5.
I have made a side by side comparison between the SMC K 135mm 3.5 and the SMC M 135 3.5 and the K is the clear leader. OK so the M version has a built in hood and is slightly shorter but in perfomance it lags behind the K.

I'm surprised that one reviewer comments about a lack of contrast and can only assume that he wasn't using a hood, which I consider a necessity when using any lens especially one with the front element so exposed. I have always used a hood with this lens and never had low contrast shots.

If you need a 135mm and don't want to pay the high premium for the SMC K 135mm 2.5 then this lens the SMC K 135mm 3.5 is certainly the one to go for.
   
New Member

Registered: November, 2012
Posts: 1
Lens Review Date: December 25, 2012 I can recommend this lens: Yes | Price: $79.00 | Rating: 7 

 
Pros: Price, sharp
Cons: contrast, colorful,
Sharpness: 9    Aberrations: 8    Bokeh: 8    Handling: 7    Value: 7    Camera Used: K-5   

I like this lens, but there are some low contrast with this. Sometimes photos look likes as in "fog cloud" but lens is pure. Maybe it peace by peace.

Resume:

This is better lens then present low cost lenes. There is no TOP quality lens but it is usable.

Some photos for example:

Kitty
Bush
Fungus
Kitty n.2
   
Site Supporter

Registered: November, 2010
Location: California
Posts: 2,223

1 user found this helpful
Lens Review Date: July 18, 2011 I can recommend this lens: Yes | Price: $180.00 | Rating: 10 

 
Pros: Well built, compact, easy to use, and great IQ
Cons: None so far. It is so easy to focus that AF is not missed

I really like this lens, I enjoy the sharpness and IQ that I cannot get in the zooms I have. This is a lens that last for ever, so, here are some samples:



yellow-red tomato by Palenquero, on Flickr




uvas by Palenquero, on Flickr




tool bucket by Palenquero, on Flickr



tomatoes by Palenquero, on Flickr




moth by Palenquero, on Flickr




onions by Palenquero, on Flickr




moth again by Palenquero, on Flickr





green tomatoes by Palenquero, on Flickr




Great Orange by Palenquero, on Flickr


THis one is at full resolution:




Grapes by Palenquero, on Flickr
   
Veteran Member

Registered: November, 2009
Location: Strand
Posts: 1,366

1 user found this helpful
Lens Review Date: March 9, 2011 I can recommend this lens: Yes | Price: $120.00 | Rating: 9 

 
Pros: Image quality, build, light compared to other 135
Cons: MF
Sharpness: 10    Aberrations: 8    Bokeh: 10    Handling: 9    Value: 10   

If I have to select between DA*50-135, M135f2.5 or M135f3.5, this is my to-go lens for walking tour in daylight. Perfect focal length for children candid shoots.

This lens has very good flare control using the hood. Very good color rending compares to other MF zooms or even the DA50-200. At f5.6-f8 it is very sharp. Beautiful bokeh in f5.6 and f8. It is also cheap for this focal length compared to image quality.

Canon shooters with large zoom and grip looked down due it's size on my K20 and just stop laughing after have seen the image result. Tiny size and light weight but excellent result.

Highly recommended.
   
Site Supporter

Registered: October, 2008
Location: Vancouver, Canada
Posts: 6,411

1 user found this helpful
Lens Review Date: July 11, 2009 I can recommend this lens: Yes | Price: $179.50 | Rating: 8 

 
Pros: Cost & quality.
Cons: F3.5 maximum aperture.
Camera Used: K Series film bodies (K1000, KM, KX, K2, K2DMD)   

I have owned my K135/3.5 since I purchased it new in late 1975. The K135/3.5 was my only telephoto lens for decades and 135mm is a good entry level telephoto focal length if you are using a film camera.

The K135/3.5 is light weight for a lens of this focal length, so itís perfect for traveling. As with all K series lenses, the build and quality are second to none. The maximum aperture is f3.5 and this is fine for most shooting situations. You way want something faster for night and indoor use, like the more expensive K135/2.5.

The K135/3.5 has a 52mm filter thread like most K series mid focal length (24mm to 150mm) lenses, so itís easy to put together a 52mm filter kit. It has a dedicated lens hood, which also fits the K120/2.8 & K150/4. The hood is fairly easy to find on eBay.

The K135/3.5 has four lens elements compared to the larger K135/2.5, which has six. The K135/2.5 also has a bigger 58mm filter thread.

The K135/3.5 is a good entry level telephoto/portrait lens, that you can pickup for a reasonable price. I have both the K135/3.5 & the K135/2.5, but I would recommend the K135/2.5 overall, even though it will cost you twice as much.

Note: The price I indicated for the K135/3.5 is the 1975 list price for a new lens.

Sample shots taken with the K135/3.5. Photos are medium/high resolution scans from original slides.

Camera: KX Film: Kodak Ektachrome E100VS ISO: 100





Camera: KX Film: Kodachrome 64 ISO: 64

   
Junior Member

Registered: February, 2009
Location: new haven
Posts: 38
Lens Review Date: March 10, 2009 I can recommend this lens: Yes | Price: $80.00 | Rating: 9 

 
Pros: sharp, good image quality, great built quality
Cons: a bit slow

I got a K 135/3.5 from KEH. It is my first manual focus lens. The built quality is so great! like all the K lens. I just take a few shots, and I feel very comfortable with the image quality. It is Sharp. The color and contast is very good.

It is much cheaper than K 135/2.5. For a starter like me, it is also a good choice.
   
Inactive Account

Registered: July, 2008
Posts: 1
Lens Review Date: September 17, 2008 I can recommend this lens: Yes | Price: $70.00 | Rating: 8 

 
Pros: Sharp and good color and contrast
Cons: no so far

The principal performance of the lens is very decent. I have experience with two PK-Mount 135MM lens. One is Takumar 135/F2.5 (no SMC). By comparison, this lens shows better color and contrast.



   
Pentaxian

Registered: February, 2008
Location: Waterloo, Ontario
Posts: 4,462
Lens Review Date: February 18, 2008 I can recommend this lens: Yes | Price: $100.00 | Rating: 9 

 
Pros: Sharp. contrasty, world class build
Cons: Fully manual
Sharpness: 10    Aberrations: 9    Bokeh: 9    Handling: 10    Value: 10   

I picked up a mint copy of the Pentax K 135 f 3.5 on EBAY a month ago for just under $100. From the looks of it I donít think it had ever been used. Like all K-series glass it is beautifully crafted, sharp and contrasty. As with almost all K series lenses SMC Pentax, serial number, focal length, etc. is neatly engraved on the retaining ring surrounding the front element. It is good at 3.5 and very good up to f16. As with most lenses diffraction takes a toll from there on. Colours seem very bright on this particular example. Here is a recent example from this lens:




It is fairly light and came with an original Pentax hood. Klaus Schrioff of Photozone in a detailed review of the K 135 f 2.5 noted CA issues:


"Low CAs were surely no design objective in the late 70s so it isn't really surprising that this is a weakness of this old lens (K 135 f 2,5) . CAs (color shadows at harsh contrast transitions) can be fairly visible at times with an average pixel width around 1.3px at the image borders."

http://www.photozone.de/Reviews/Pentax%20Lens%20Tests/48-pentax/143-pentax-s...ab-test-report


As this lens is of the same focal length and vintage it may be an issue here as well but so far I have not noted a problem. Then again I don't set up extreme high contrast situations to look for them. I prefer spending my time making images. In any case on digital it is a nice light 200mm lens that balances well on my K10 and looks great. The K10 shake reduction makes it easy to get good hand held results. Boz Dimitrov's Pentax site provides further technical details:

http://kmp.bdimitrov.de/lenses/primes/tele/K135f3.5.html


It is manual focus of course with all the digital limitations that implies. Metering is stop down in digital and you will get no f stop information in the viewfinder. I doubt the K 135 f 2.5, although faster, is any sharper and it usually goes for more than twice this price. For a $100 bucks the f 3.5 seems like a good buy. Check it out if you have a need for this focal length.
Add Review of SMC Pentax 135mm F3.5



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