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Welcome to the Third-Party Pentax Lens Review Database!
This database contains reviews and technical data for Third-Party Pentax lenses (made by Sigma, Tamron, etc.) designed for use with Pentax K-Mount DSLRs, mirrorless cameras, and Film SLRs. In addition to being able to post lens reviews, users can also add new lenses to this database. To begin browsing third-party Pentax lenses, please select a category below or use the search feature.

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In-Depth Pentax Lens Reviews

Category Lenses Reviews
Sigma Lenses
  Current Zoom Lenses (1 viewing)
23 191
  Current Prime Lenses (3 viewing)
14 99
  Legacy Zoom Lenses (2 viewing)
58 375
  Legacy Prime Lenses (3 viewing)
36 121
Tamron Lenses
  Current Zoom Lenses (2 viewing)
7 187
  Current Prime Lenses 
1 31
  Legacy Zoom Lenses (2 viewing)
15 107
  Legacy Prime Lenses 
7 40
Tamron Adaptall Lenses
  Zoom Lenses 
30 68
  Prime Lenses 
21 74
Tokina Lenses
  Prime Lenses 
11 45
  Zoom Lenses 
40 112
Vivitar Lenses
  Zoom Lenses (2 viewing)
28 87
  Prime Lenses (1 viewing)
32 144
Cosina Lenses
  Zoom Lenses 
5 12
  Prime Lenses (1 viewing)
15 31
Ricoh Lenses
  Prime Lenses 
19 48
  Zoom Lenses 
9 11
Carl Zeiss Lenses
  Prime Lenses (1 viewing)
15 42
Quantaray Lenses
  Zoom Lenses 
8 30
Russian and Zenitar Lenses
  Prime Lenses 
22 99
Voigtlander Lenses
  Prime Lenses 
7 43
Miscellaneous Lenses
  Zoom Lenses (1 viewing)
68 78
  Prime Lenses (1 viewing)
153 305
  Teleconverters (All Brands) 
21 80

Most Popular Lenses
Tamron AF 17-50mm F2.8 XR LD Aspherical IF SP review
Tamron AF 17-50mm F2.8 XR LD Aspherical IF SP
Tamron 28-75mm F2.8 AF XR Di LD Macro SP review
Tamron 28-75mm F2.8 AF XR Di LD Macro SP
Sigma 10-20mm F4-5.6 EX DC HSM review
Sigma 10-20mm F4-5.6 EX DC HSM
Tamron 70-300mm F4-5.6 AF Di LD Macro review
Tamron 70-300mm F4-5.6 AF Di LD Macro
Tamron SP AF 90mm F2.8 Di Macro review
Tamron SP AF 90mm F2.8 Di Macro
Tamron 70-200mm F2.8 Di LD Macro review
Tamron 70-200mm F2.8 Di LD Macro
Sigma 17-70mm F2.8-4.5 DC MACRO (AF Lens) review
Sigma 17-70mm F2.8-4.5 DC MACRO (AF Lens)
Sigma 70-300mm F4-5.6 APO DG Macro review
Sigma 70-300mm F4-5.6 APO DG Macro
Tamron AF 18-250mm F/3.5-6.3 Di II LD review
Tamron AF 18-250mm F/3.5-6.3 Di II LD
Sigma APO EX 70-200mm F2.8 review
Sigma APO EX 70-200mm F2.8

Random Lenses
Tokina AT-X 60-120mm F2.8 review
Tokina AT-X 60-120mm F2.8
CHINAR 35mm f 2.8 review
CHINAR 35mm f 2.8
Albinar 28mm F2.8-- Manual Focus review
Albinar 28mm F2.8-- Manual Focus
Soligor 80-200mm F4.5 C/D Zoom+Macro review
Soligor 80-200mm F4.5 C/D Zoom+Macro
Vivitar Series 1 100-500mm F5.6-8 review
Vivitar Series 1 100-500mm F5.6-8

Statistics
Pentax Lenses: 665 | Total Reviews: 2,460 | Views: 3,372,549
Users browsing the lens reviews: 25 unregistered users
 
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Sigma Zoom-Master 35-70mm, f2.8-4.0, Macro Review
IMGP3907.jpg
My cheap copy looks like new, has no zoom creep and focussing is precise and easy. But I would recommend a lens hood to keep the image quality. I can't find any distortion, but that's no surprise for a moderate zoom. ...
Rating: 8 | Recommended: Yes Read More
Pentacon 200mm f:4 - Preset Review
K5J3404_s_.jpg
Bonjour, I just acquired a copy of this lens from a PF member in France and quite happy thus far ... only tested today indoors with (and without) K-5 flash due to dull, rainy weather outside. Just wanted to post someth...
Rating: 7 | Recommended: Yes Read More
HorusBennu 50mm F1.7 MC (PK) Review
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I bought this lens from Ebay. The seller ship it from Korean. With that price, we have a new MF lens with big aperture 1.7. I feel ok to shot in 1.7 but around 2.8 will be more sharpness. The image quality is very ...
Rating: 9 | Recommended: Yes Read More
Sigma 17-50mm F2.8 EX DC OS HSM Review
20100908_Sigma_17-50mm_F2_8_EX_DC_OS_HSM_Lens_007.jpg
Overall, I do love this lens. It's tack sharp, fast and silent.It rests on my K-5 most of the time. One may say that it is too big, but actually it fits nicely gripped K-5 and they make a great combination, which ...
Rating: 9 | Recommended: Yes Read More
Vivitar 70-210mm F2.8-4, version 3 Review
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This review is for the Komine (version 3). I also have the Kiron (ver.1) and I love it. The quality is great although is heavier. This lens is excellent because of the range and relatively fast at f2.8 at 70mm and 4 ...
Rating: 10 | Recommended: Yes Read More
Industar-50 50mm F3.5 Review
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I like this lens very much, but after 'conveniences' of modern photography, it is so difficult to go back to the click-less diaphragm. Maybe I need to be more patient. Also, this lens is not that inexpensive these days. ...
Rating: 10 | Recommended: Yes Read More
Jupiter 11A 4/135 135mm F4 Review
jup11A_f4.jpg
I used this lens for many years with Zenit 3M (with DIY M39-mount) and was very happy with the IQ on B&W film. Below are links to images taken with Pentax K7 and Jupiter 11a 135mm F4, and Takumar 200mm F4. The same...
Rating: 10 | Recommended: Yes Read More
Tamron 28-300mm F3.5-6.3 XR Di AF Review
tamron-af-28-300mm-f-3-5-6-3-di-xr-ld-aspherical-if-macro.jpg
I bought this lens used off of a Craigslist ad because I wanted to compare it to the Sigma lens I have which has the same specs. This one seems to edge the Sigma I bought new last year, and this was a used copy! ...
Rating: 8 | Recommended: Yes Read More
Carl Zeiss 25mm F2.8 ZK Distagon T* Review
Zeiss-28-2_8-Distagon-ZK.jpg
I have acquired two other Zeiss lenses in the past (the older Contax 28 and 85). I acquired this lens because, the older Contax Carl Zeiss 25mm f2.8 Distagon T* was the same price, before modifying the mount from C/Y ...
Rating: 9 | Recommended: Yes Read More
Vivitar Series 1 70-210 line Review
Vivitar_S-1_70-210_lenses.jpg
I have the Kiron (ver. 1) and the Komine (ver. 3), both lenses are very good and I recommend them. The Komine is easier to use because of the PkA. The Kiron is probably a better lens, but it is heavier, and to u...
Rating: 10 | Recommended: Yes Read More



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