| Author: | | New Member Registered: January, 2018 Location: Paris Posts: 8
1 user found this helpful
| | Review Date: May 27, 2018 | Recommended | Price: $180.00
| Rating: 9 |
| Pros: | Colors and sharpness from edge to edge | | Cons: | Green buton mesuring | | Sharpness: 9
Aberrations: 9
Bokeh: 7
Handling: 8
Value: 10
Camera Used: K1
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Mine is mint copy
At F8 to F11 i have no 28mm Lens with such sharpness on borders and extrême corners. My kit zoom D-FA 28-105mm , wich i find no so bad at 28mm f8 , looks blurry when you make comparaison side by side on corners... this prime is razor Sharp on extrêmes.
Bokeh i dont care, this is not build as a fast Lens.
This is The Lens for landscape / infinity
Extrême corners and edges are such Sharp
Color rendering is really good and contrast
Build like all K
Manuel Focusing no problem with K1
I do recommended this Lens , it s quite cheap for the optical quality.
The Best Pentax 28mm prime choice for landscape at the moment
| | | | | | | Pentaxian Registered: April, 2013 Location: Pittsburgh, PA Posts: 578
3 users found this helpful
| | Review Date: August 25, 2018 | Recommended | Price: $100.00
| Rating: 10 |
| Pros: | Corner sharpness, smooth focus ring, beautiful for landscape | | Cons: | none | | Sharpness: 9
Aberrations: 9
Bokeh: 8
Handling: 10
Value: 10
Camera Used: K-1
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One of the finest Pentax lenses available and it shines on the K-1. No, you don't have modern coatings and no you don't have Lightroom correction profiles for it, but it is good enough as is. This is going to sound a bit odd, but it is a lens that (more than any other I've shot with) really rewards good photography and is unforgiving with the converse. Sometimes you can "fake it" in post by boosting colors or contrast if your scene was not particularly dynamic or interesting... not with this guy. That is why I thought it was a dud on my first outing with it. On my second, it was quite a different story... some dynamically lit scenes it brought out the deep colors and contrast that it is capable of.
Here's some of my favorites taken with it:
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 | | | | | Senior Member Registered: November, 2012 Posts: 151 | | Review Date: September 12, 2018 | Recommended
| Rating: 9 |
| Pros: | Sharpness Weight | | Cons: | Focal Length | | Sharpness: 10
Aberrations: 7
Bokeh: 7
Handling: 9
Value: 10
Camera Used: K5 IIs, K1
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I bought it used when am using K5 iis. I have 12-24 so i sparingly used this lens. But, i can clearly distinguish pictures from this lens.. they have a unique touch to them. Pictures are sharp edge to edge. Upon, buying K1 i am left with no good wide lens. So, K28 became my only wide lens and it didnt disappoint. Below are two sample pictures from my recent trip.
This was shot wide open.. so it isnt sharp around corners.. also, its not a stacked image but a 30'sec long exposure shot.
 | | | | | New Member Registered: September, 2016 Posts: 4 | | Review Date: September 22, 2018 | Recommended | Price: $89.00
| Rating: 10 |
| Pros: | sharpness,handling,buildquality | | Cons: | | | Sharpness: 10
Aberrations: 9
Bokeh: 8
Handling: 10
Value: 10
Camera Used: LX, K2DmD, K3 Prestige Edition
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I bought two lenses for my Super-A Stereo cam, but switched to the 35mm for better 3DView, so i sold one of these beautiful examples - build like a tank and very pleasing look on digital makes it a pleasure to work with … even for professional purposes it is still in my bag for the punchy pictures .
I also own a very sharp M 28 f2,8 and f3,5 and the rar K 28 f 2 …
All of them have their own look and handling , but the K28 f3,5 I use the most .
Highly recomended !
 | | | | | | | Pentaxian Registered: April, 2007 Location: Toronto/Victoria Posts: 460 | | Review Date: February 4, 2019 | Recommended | Price: $75.00
| Rating: 9 |
| Pros: | Very good on FF and finely crafted | | Cons: | Larger than successors, no aperture link | | Sharpness: 9
Aberrations: 9
Bokeh: 9
Handling: 9
Value: 10
Camera Used: K-1, K100D
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The K28/3.5 is probably my best 28mm lens. The others were all nearly perfect on APS-C but were less perfect on FF. This lens is nearly perfect on FF. Even wide open, the IQ is very good and at F5.6-8 it is outstanding if you need sharpness in the corners and almost no CA (a bit of red/blue is visible).
Of course, it's a slow lens; the A28/2.0 is smaller (49mm filter), faster by over 1.5 stops, and supports automatic exposure. However, the trade-offs are generally worth it for this lens.
| | | | | Veteran Member Registered: July, 2011 Location: Reading Posts: 313 | | Review Date: March 24, 2019 | Recommended | Price: $150.00
| Rating: 10 |
| Pros: | Corner to corner sharpness | | Cons: | None | | Sharpness: 10
Aberrations: 10
Bokeh: 9
Handling: 10
Value: 10
Camera Used: Sony a7
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Fantasticly sharp manual focus lens. People often talk up old lenses but rarely do they stand up against modern lenses. The Pentax-k is a lens which does. I compared this lens against my Sony FE28 and this lens is sharper.
It's also fantastic for InfraRed photography and has no hot spots even at smaller apertures. The only downside is the time it takes to find one (people tend to keep hold once they have a good copy).
| | | | | New Member Registered: April, 2019 Posts: 1
1 user found this helpful
| | Review Date: May 4, 2019 | Recommended | Price: $100.00
| Rating: 9 |
| Pros: | Sharpness corner to corner; colors; handling & build quality | | Cons: | Some field curvature | | Sharpness: 9
Aberrations: 9
Bokeh: 7
Handling: 10
Value: 10
Camera Used: Sony A7III
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After all these enthusiastic reviews of this lens who say that it is an ultimate landscape lens I wanted to know what all the fuss is about and got one via Ebay for 100 Euros in very good condition.
First impression: Built like a tank, looks like it was produced yesterday (but in fact it is 42 years old!), looks like it can be used for another 50 years without any problems.
Second impression: Yes, it's very sharp from corner to corner, at least stopped down (but that's what a landscape photographer does anyway, you don't buy a wide angle like that for "bokeh" and stuff). MUCH better than any other 24 oder 28 mm vintage solution I tried up to now. Of course there are 50s or 85s who have significantly higher resolution - but for a wide angle resolution is really good.
But the real shocker were the COLORS.
While with all my other lenses I "pump up" the colors a bit (mostly via vibrance or "camera calibration" in Lightroom) to get a punchy, saturated look, this is actually unnecessary with this lens! Colors are from the start really "life-like" and "pop"! Wonderful, but at the same time natural looking, blues and greens especially. I'm not a "SOOC" guy, but this lens comes near to "capturing how I saw it when I was there".
Flare resistance is very good, shooting into the sun or with the sun just a bit outside the frame is no problem at all.
Also no problems with color fringing. Pentax's coatings seem to be really great.
Only thing is that the lens has some field curvature - if you have something in the corners which is at or near infinity, you can't get it in focus. But in typical image compositions, this is rarely the case anyway. You just have to be aware of it and choose your composition accordingly.
Highly recommended!
  | | | | | Loyal Site Supporter Registered: June, 2013 Location: Utrecht Posts: 254
3 users found this helpful
| | Review Date: July 23, 2019 | Recommended | Price: $70.00
| Rating: 10 |
| Pros: | Build quality, sharpness, contrast, colors, aberations | | Cons: | Bit difficult to focus due the "f3.5 only" | | Sharpness: 10
Aberrations: 10
Bokeh: 8
Handling: 9
Value: 10
Camera Used: K1ii
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Everything is said about this lens, sharp and clean images even wide open. Reliable distance scale in case the finder is too dark. I compared this with the DFA 28-105, the K-lens is even sharper overall and noticebly in the corners. Almost no fringing or whatever. Best results between f4 - f8. Balances well on the K1 also.
 | | | | | New Member Registered: June, 2018 Posts: 2 | | Review Date: September 26, 2019 | Recommended | Price: $135.00
| Rating: 10 |
| Pros: | Sharp, excellent contrast, low flare, amazing build | | Cons: | 5-bladed diaphragm. If I were forced to complain, size and weight too. | | Sharpness: 10
Aberrations: 10
Bokeh: 9
Handling: 10
Value: 10
Camera Used: MX, X-T3
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I hold this lens in very high regards. I've tried many old 28mm lenses from many different brands and this is one of the best. Compared to m42, M, and A type Pentax 28mm lenses it's the best in terms of raw optical performance. Sharpness, contrast, and flare control are all at a high level. I would also say its performance is in the realm of Contax Zeiss lenses and is even better in some regards. This lens is getting more expensive every day so don't hesitate, I imagine it will only go up in price as it becomes rarer and more sought after.
| | | | | Pentaxian Registered: September, 2017 Location: New York Posts: 1,206
1 user found this helpful
| | Review Date: January 7, 2020 | Recommended | Price: $70.00
| Rating: 8 |
| Pros: | Sharpness, Color, contrast, build quality, overall image quality, bokeh | | Cons: | | | Sharpness: 7
Aberrations: 5
Bokeh: 8
Handling: 7
Value: 9
Camera Used: Pentax K-3II
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If you can find this lens, I highly recommend buying it. They aren't very common but they are very worth it.
Sharpness doesn't compare to modern lenses but it is decently sharp wide open. The pictures produced are very contrasty and it does produce nice polarized-like images. If you dont mind focusing manually, it's a wonderful lens to focus. A decently long focus throw makes focus very accurate. It's just a wonderful lens to use.
| | | | | New Member Registered: March, 2019 Posts: 2 | | Review Date: February 11, 2020 | Recommended | Price: $70.00
| Rating: 10 |
| Pros: | image quality, sharpness, colour handling, build quality | | Cons: | nothing worth mentioning | | Sharpness: 10
Aberrations: 10
Bokeh: 8
Handling: 9
Value: 10
Camera Used: Sony a6000 and Pentax me super
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This is a brilliant lens. I have three other 28mm vintage lenses from Minolta, Pentax and Konica to compare it to and it blows all three of them away. The image quality, corner to corner sharpness and colours straight out of the camera are superb. All the plaudits heaped on this lens are true. It is an amazing lens and if you find one I cannot recommend it highly enough. It is now my favourite wide angle lens and is spending more and more time attached to my cameras.
It has a very short focus throw but given that I use this lens for landscapes and wider street photography at f8 and at infinity, it makes no difference at all.
| | | | | Site Supporter Registered: February, 2017 Posts: 2,030
2 users found this helpful
| | Review Date: July 20, 2020 | Recommended
| Rating: 9 |
| Pros: | Build quality, overall optical performance | | Cons: | Rarity | | Sharpness: 9
Aberrations: 9
Bokeh: 8
Handling: 8
Value: 10
Camera Used: K3 and KP
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I had been after the perfect (for me) 28-30mm lens for my K3 for year, as it is my favourite focal length on APSc. I have tried various options. M and A 28mm f2.8, F 28mm f2.8, K30mm f2.8, Sigma Ex Dg 28mm f1.8 and 30mm Ex Dg f1.4, Vivitar 28mm f1.9. And all of them have failed me in some way or another. The M and A models a little soft at whatever aperture, The Sigma 28mm -great IQ but hideous bulk. The 30mm Sigma and Vivitar bulk again but not so bad but poor performance until you get to f2.8, when I have no complaints. F 28mm and K 30mm have come close but are not quite perfect, it is hard to put my finger on just why. Anyway towards the end of last year a K 28mm f3.5 became available and I just had to try it, especially as it cost just £125 ( my K 30 cost £250!). I love this lens and here is why:-
1. Build quality - just like every other K lens I own the quality is superb
2. Handling - again just like all my other K lenses superb feel, focusing and aperture ring. The slight extra weight of the K compared to my M,A and F models feels really nice on m K3.
3. IQ - it is great. Plenty of sharpness and good colour rendition. Easily the match and maybe a tad better than both the F 28mm and K 30mm
4. Small max aperture - this is actually a benefit as it makes it easier to focus on DSLrs which do not have split image or other optical focus aids. Also F3.5 or 4 is plenty fast enough for general use and I have the fast Sigma or Vivitar if I need f2.8, which I rarely do.
I have since acquired a KP and grip and the K 28mm behaves almost equally as well on that as on the K3, though I tend to use the K 30mm or F28mm on the KP due to their compact size.
The only con I can think of with this lens is its rarity. You can not just go out and buy one as they do not come up for sale that often. You just have to wait until one becomes available.
I would like to try it out on a K1, but I am not in a position to do that at present, but here's hoping that may change in a few months time.
Anyway on APSC I can say - wholly recommended.
| | | | | Forum Member Registered: January, 2017 Posts: 61
1 user found this helpful
| | Review Date: May 24, 2021 | Recommended | Price: $100.00
| Rating: 10 |
| Pros: | Color, contrast, build and image quality, sharpness | | Cons: | None for this vintage K manual prime; of course realize you will use "green" button metering and set f-stop manually (no "A" setting) | | Sharpness: 10
Aberrations: 9
Bokeh: 9
Handling: 10
Value: 10
Camera Used: KP
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My first SMC K lens, purchased this past fall from a camera shop in Quebec. I recently started shooting manual with a nice M 50mm f1.7 and after reading about the K series, found this 28mm (just right for the KP). Absolutely love the colors, contrast and richness of the photos this lens produces. There is something rich and smooth about them- they are deeper, have a nice vibrancy to them, not clinical. After working with this lens on both landscapes and street shooting using my KP, I went and acquired the SMC K 135mm f2.5, which has a similar type of color rendition. Must be something about the K series lenses, maybe the 8 element optics of this one (the 135mm has 6)
A few quick highlights for me:
+Great build quality--feels solid but easy to work with. It does have some weight but it feels just right, not large at all
+Aperture and focus ring--smooth, well dampened
+Long focus throw, so easy to focus
+Shoots great at f3.5 (not as fast as the f2.0 "Hollywood" would be, but you would have to pay about 5-6x for that lens!) and seems sharpest around f5.6-8, and thats corner-to-corner
+Great value at $100 or to $130. The colors, richness and contrast alone are worth it!
 | | | | | Loyal Site Supporter Registered: February, 2019 Location: Illinois Posts: 21
1 user found this helpful
| | Review Date: December 29, 2021 | Recommended
| Rating: 9 |
| Pros: | Sharp, good contrast, excellent landscape lens, cheap, easy to use | | Cons: | some noticeable fringing | | Sharpness: 10
Aberrations: 9
Bokeh: 9
Handling: 10
Value: 10
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This lens deserves its reputation. I no longer own it, but it was a great landscape lens. It was so easy to use and so convenient in size and handling. Everything about it was great. I'm not going to ding it for its busy bokeh much, because I don't think bokeh is what the lens is about. It is for walking around and taking photos focused at infinity or hyperfocal or however you manage, f/8-f/11, that are sharp throughout the field. It always had blue fringing around tree branches in the sky when I shot on bright days, but they were fairly easy to fix. No other CA issues really. I don't think I ever adjusted the focus off its infinity or mark for the full year I used it almost exclusively.
| | | | | Pentaxian Registered: April, 2009 Location: Madrid, Spain Posts: 10,887
5 users found this helpful
| | Review Date: December 29, 2021 | Recommended | Price: $100.00
| Rating: 9 |
| Pros: | Very solid build, great rendering, very sharp, wonderful in use | | Cons: | Big and heavy, slow | | Sharpness: 10
Aberrations: 10
Bokeh: 8
Handling: 10
Value: 9
Camera Used: K200D, K-3
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I've used this manual lens for some years and while it's not the fastest 28mm around, it's one of the very best in terms of image quality. The build is typical K series - very solid indeed with focus beautifully smooth and nice clicks to the aperture ring. It's a very big, solid lens considering that it's relatively slow at f/3.5. Handling is really wonderful.
Image quality is fantastic - it's sharp wide open and the colour rendering and contrast are very good indeed. This lens is a lot better than the M version, which is much smaller and lighter (easier to find too) but, while sharp, has a very dull image rendering. It's also much better than all the other Pentax 28mm primes I've tried (A 28/2.8, M 28/2.8 (both versions)) bar it's faster sibling the K 28mm f/2. I'd certainly recommend this one over those A and M series ones - yes it's bigger, heavier and slower but the results and the pleasure in use make it a better lens to have.
The size and weight limit the use I give this lens for travelling but apart from that the only real limitation is it's f/3.5 maximum aperture. It's difficult, but not impossible, to get shallow depth of field and it's not the best choice for low light, though it can be used wide open and you'll get sharp results.
I really like using the lens and it produces great quality photos when used right, despite it's limitations. Some sample photos below.
Pots by Jonathan MacDonald, on Flickr
Balloon panorama K 28mm f3.5 43MP by Jonathan MacDonald, on Flickr
2020-03-28_05-04-18 by Jonathan MacDonald, on Flickr
_IMG6475a by Jonathan MacDonald, on Flickr
IMG_7720a by Jonathan MacDonald, on Flickr
IMGP1875a by Jonathan MacDonald, on Flickr
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