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Welcome to the Third-Party Pentax Lens Review Database!
This database contains reviews and technical data on third-party lenses (made by Sigma, Tamron, etc.) designed for use with Pentax K-Mount DSLRs and film SLRs. In addition to being able to post lens reviews, users can also add new lenses to this database.

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In-Depth Pentax Lens Reviews

Category Lenses Reviews
Sigma Lenses
  Current Zoom Lenses (2 viewing)
10 193
  Current Prime Lenses 
6 54
  Legacy Zoom Lenses (6 viewing)
96 819
  Legacy Prime Lenses (4 viewing)
57 354
Tamron Lenses
  Current Zoom Lenses (1 viewing)
7 332
  Current Prime Lenses 
1 52
  Legacy Zoom Lenses 
16 149
  Legacy Prime Lenses (1 viewing)
16 54
Tamron Adaptall Lenses
  Zoom Lenses 
42 172
  Prime Lenses (3 viewing)
26 162
  Adaptall Adapters 
Adapters that enable the use of Tamron Adaptall lenses on Pentax cameras.
6 9
Samsung Lenses
  Prime Lenses 
2 3
  Zoom Lenses 
6 7
Lensbaby Lenses
  Prime Lenses 
7 6
Schneider-Kreuznach Lenses
  Prime Lenses 
5 1
  Zoom Lenses 
4 10
Tokina Lenses
  Prime Lenses (3 viewing)
17 109
  Zoom Lenses (3 viewing)
56 257
Samyang Lenses
  Prime Lenses 
16 137
Vivitar Lenses
  Zoom Lenses (3 viewing)
37 189
  Prime Lenses (4 viewing)
54 258
Cosina Lenses
  Zoom Lenses 
11 36
  Prime Lenses 
22 65
Ricoh Lenses
  Prime Lenses (2 viewing)
26 109
  Zoom Lenses 
12 26
Carl Zeiss Lenses
  Prime Lenses (3 viewing)
33 141
Quantaray Lenses
  Zoom Lenses (1 viewing)
11 45
Russian and Zenitar Lenses
  Prime Lenses (4 viewing)
47 284
Voigtlander Lenses
  Prime Lenses (3 viewing)
10 70
Miscellaneous Lenses
  Zoom Lenses (1 viewing)
103 153
  Prime Lenses (8 viewing)
279 710
  Teleconverters (All Brands) (1 viewing)
39 145

Recent Products
Cosina 35-135mm F1:3.5-4.5 review
Cosina 35-135mm F1:3.5-4.5
Vivitar (Tokina 37xxx...) TX 28mm, f2.5, Auto Wide-Angle review
Vivitar (Tokina 37xxx...) TX 28mm, f2.5, Auto Wide-Angle
Sigma YS 300mm f4 review
Sigma YS 300mm f4
Vivitar Series 1 70-210mm f.2.8-4 Version 6 APOCHROMATIC review
Vivitar Series 1 70-210mm f.2.8-4 Version 6 APOCHROMATIC
Sigma 400mm F5.6 APO review
Sigma 400mm F5.6 APO
Carl Zeiss Planar T* 50mm f:1.4 Contax C/Y  review
Carl Zeiss Planar T* 50mm f:1.4 Contax C/Y
Tamron FO-59 and  FO-63 200mm f5.9 and  f6.3 review
Tamron FO-59 and FO-63 200mm f5.9 and f6.3
Photax-paragon ( revuenon, palar, etc) 35mm f3.5 review
Photax-paragon ( revuenon, palar, etc) 35mm f3.5
KENLOCK-Mc.tor MC 28-200mm F3.8-5.5 review
KENLOCK-Mc.tor MC 28-200mm F3.8-5.5
MIR-47M / 47K 20mm  f2.5 review
MIR-47M / 47K 20mm f2.5

Most Popular Lenses
KMZ Helios 44-2 58mm F/2 review
KMZ Helios 44-2 58mm F/2
Tamron AF 17-50mm F2.8 XR LD Aspherical IF SP Di II review
Tamron AF 17-50mm F2.8 XR LD Aspherical IF SP Di II
Tamron 70-200mm F2.8 Di LD Macro review
Tamron 70-200mm F2.8 Di LD Macro
Tamron 28-75mm F2.8 AF XR Di LD Macro SP review
Tamron 28-75mm F2.8 AF XR Di LD Macro SP
Tamron SP AF 90mm F2.8 Di Macro review
Tamron SP AF 90mm F2.8 Di Macro
Sigma 10-20mm F4-5.6 EX DC J review
Sigma 10-20mm F4-5.6 EX DC J
Tamron 70-300mm F4-5.6 AF Di LD Macro review
Tamron 70-300mm F4-5.6 AF Di LD Macro
Vivitar (komine) Auto Telephoto 135mm F2.8 review
Vivitar (komine) Auto Telephoto 135mm F2.8
Carl Zeiss Jena 50mm F2.8 Tessar review
Carl Zeiss Jena 50mm F2.8 Tessar
Sigma 24mm F2.8 Super Wide II review
Sigma 24mm F2.8 Super Wide II

Random Lenses
Cosina 35-135mm F1:3.5-4.5 review
Cosina 35-135mm F1:3.5-4.5
Auto Chinon 35-80mm f3.5-4.9 Macro MC review
Auto Chinon 35-80mm f3.5-4.9 Macro MC
Image/Makinon Auto Zoom 80-200mm F/4.5 Macro 1:4 review
Image/Makinon Auto Zoom 80-200mm F/4.5 Macro 1:4
Voigtlander 90mm F3.5 APO Lanthar SL review
Voigtlander 90mm F3.5 APO Lanthar SL
Fujinon 55mm F2.2 review
Fujinon 55mm F2.2

Statistics
Pentax Lenses: 1,080 | Total Reviews: 5,111 | Views: 21,157,163
Users browsing the lens reviews: NiftyFifty, er1kksen, RichardIII and 59 unregistered users
 
Recent Reviews
Pentax Review RSS Feed
Samyang 20mm F1.8 ED AS UMC Review
samyang_20mm-f1_8.jpg
I was lucky to find a used copy from B&H. Not surprising, this lens behaves very much as the wider version of the Samyang 24, which is a personal favorite. Excellent center sharpness wide open and good corners from 2.8 on up. Corner performance is about equal with the 24 and much better than the 14....
Rating: 9 | Recommended: Yes Read More
Carl Zeiss Jena 135mm F3.5 Sonnar MC - Zebra Review
picture40687_1_.jpg
. I just got through comparing five 135mm lenses. This CZY Sonnar won hands down! Light weight, only four elements, no colored fringing wide open, terrific color, the best lens for black and whites that I own. Wide open sharp from one side to the other, with book bokeh. I currently own three ...
Rating: 10 | Recommended: Yes Read More
Samyang 135mm F2.0 ED UMC Review
samyang_135_3.jpg
This is by far my favourite lens for the Pentax K1. With this lens and Pixel shift, the K1 produces image quality that rivals medium format. Stitching a few images takes the final photographs into medium format territory. It's a technically excellent lens too, not just sharp. The downside is manual ...
Rating: 10 | Recommended: Yes Read More
Carl Zeiss Jena Sonnar MC 135mm, f3.5 Review
CZ01.jpg
. I just got through comparing five 135mm lenses. This CZY Sonnar won hands down! Light weight, only four elements, no colored fringing wide open, terrific color, the best lens for black and whites that I own. Wide open sharp from one side to the other, with truly incredible bokeh. I curre...
Rating: 10 | Recommended: Yes Read More
Tokina AF (235) 3.5-4.5/20-35mm version II. Review
IMGP5643.JPG
I bough this specifically for my K1, never tried on apsc. My first outing was a car show. It blew my mind with the sharpness and color saturation, and then the highlight stars, wow! This has to be the best bargain out there for the K1. There was no way I could swing the price of the DFA 15-30, an...
Rating: 9 | Recommended: Yes Read More
Meyer-Optik Görlitz Domiplan 50mm f/2.8 Review
3n73Ec3Ib5Ie5E95S6cafab348689f4ec1d15.jpg
I have a sizable collection of m42 lenses, about three dozen. I've been collecting and using them for years. I bought this quite awhile ago when I wanted to check out German glass. I liked the artistic rendering and color in some images I had seen that were taken with German lenses. I wasn't happy w...
Rating: 1 | Recommended: No Read More
Tamron Adaptall-2 AF 70-210mm F4 (47A) Review
47A-1.JPG
An interesting lens, which seems rather nice optically. But the battery-powered (3 AAA) on-board autofocus is only usable in bright light, and you can't really tell what the lens will decide to focus on. Awkward to use as a manual focus, and awkward to use with autofocus, it's perhaps more interesti...
Rating: 7 | Recommended: Yes Read More
Cosina ( Vivitar ) 28-210mm f3.5-5.6 Macro Review
viv28_210_3_5_5_6.jpg
The lens is close in appearance and ability to both the Vivitar 28-200mm and Kenlock 28-200mm lenses I have. A low cost lens that can be found if you think you need one or see one cheap and want to try one. This review is coloured by it's low cost. I have trouble finding focus at 28mm so rely on foc...
Rating: 9 | Recommended: Yes Read More
Cosina 24mm f/2.8 MC MACRO Review
Cosina24f28.jpg
I have the Miranda branded version with the KA mount. As other reviewers have noted, this is a satisfyingly good 24mm. Overall image sharpness and colour is good, CA and distortion are no worse than any other wide angle, and the close focus function gives surprisingly good bokeh if you're willing t...
Rating: 9 | Recommended: Yes Read More
Cosina 35-135mm F1:3.5-4.5 Review
Super_Cosina_35-135mm_037s.jpg
I found this lens on the Goodwill site in the original box for $10 and my hand trembled as I impulsively bid on the lens. I received the lens and it looked to be in almost new condition. The original price tag of $399 was still stuck to the bottom lens cap :)... It was a dreary day here but I took ...
Rating: 7 | Recommended: Yes Read More



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