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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 
10 245
  Current Prime Lenses 
6 68
  Legacy Zoom Lenses (3 viewing)
101 926
  Legacy Prime Lenses (6 viewing)
59 404
Tamron Lenses
  Current Zoom Lenses (2 viewing)
5 319
  Current Prime Lenses (1 viewing)
1 57
  Legacy Zoom Lenses 
22 219
  Legacy Prime Lenses (1 viewing)
18 61
Tamron Adaptall Lenses
  Zoom Lenses (1 viewing)
42 189
  Prime Lenses (1 viewing)
26 191
  Adaptall Adapters 
Adapters that enable the use of Tamron Adaptall lenses on Pentax cameras.
9 18
Samyang Lenses
  Prime Lenses (1 viewing)
16 183
Lensbaby Lenses
  Prime Lenses 
13 7
Venus Laowa Lenses
  Current Prime Lenses 
6 8
Tokina Lenses
  Prime Lenses (1 viewing)
22 140
  Zoom Lenses (6 viewing)
58 305
Samsung Lenses
  Prime Lenses 
2 3
  Zoom Lenses 
6 10
Schneider-Kreuznach Lenses
  Prime Lenses 
6 3
  Zoom Lenses 
4 10
Vivitar Lenses
  Zoom Lenses (1 viewing)
41 232
  Prime Lenses (4 viewing)
62 304
Cosina Lenses
  Zoom Lenses 
11 43
  Prime Lenses 
24 86
Ricoh Lenses
  Prime Lenses (3 viewing)
26 130
  Zoom Lenses 
14 31
Carl Zeiss Lenses
  Prime Lenses (3 viewing)
34 181
Quantaray Lenses
  Zoom Lenses 
11 47
Russian and Zenitar Lenses
  Prime Lenses (7 viewing)
50 341
Voigtlander Lenses
  Prime Lenses 
11 83
Miscellaneous Lenses
  Zoom Lenses (2 viewing)
119 203
  Prime Lenses (10 viewing)
337 901
  Teleconverters (All Brands) (2 viewing)
43 161

Recent Products
Vivitar 135mm f3.5  T4 mount, early review
Vivitar 135mm f3.5 T4 mount, early
Steinheil München 50mm F2.8 EDIXA Auto-Cassaron review
Steinheil München 50mm F2.8 EDIXA Auto-Cassaron
Soligor C/D Tele-Auto 135mm F2.8 review
Soligor C/D Tele-Auto 135mm F2.8
Promatic CC Auto 50mm F1.7 review
Promatic CC Auto 50mm F1.7
Kamero Auto 135mm F2.8 review
Kamero Auto 135mm F2.8
Tele-Astranar 135mm F3.5 preset review
Tele-Astranar 135mm F3.5 preset
Vivitar 105mm F2.8 Auto Telephoto T4 mount  (#37xxxxxxxx) review
Vivitar 105mm F2.8 Auto Telephoto T4 mount (#37xxxxxxxx)
Sigma 800mm F5.6 APO EX review
Sigma 800mm F5.6 APO EX
Yashica Auto Yashinon 5cm f2 semi-auto review
Yashica Auto Yashinon 5cm f2 semi-auto
Spiratone Tc 200mm F4.5 preset review
Spiratone Tc 200mm F4.5 preset

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

Random Lenses
Vivitar series 1 24-48mm f3.8 (kiron 22xxxx) review
Vivitar series 1 24-48mm f3.8 (kiron 22xxxx)
Yashica Auto Yashinon 5cm f2 semi-auto review
Yashica Auto Yashinon 5cm f2 semi-auto
CPC 75-200mm MACRO F4.5-32 PHASE 2 CCT review
CPC 75-200mm MACRO F4.5-32 PHASE 2 CCT
Tokina  ( SL17 / RMC ) 17mm f/3.5 review
Tokina ( SL17 / RMC ) 17mm f/3.5
Vivitar Series 1 70-210mm f/2.8-4.0 Q-DOS review
Vivitar Series 1 70-210mm f/2.8-4.0 Q-DOS

Statistics
Pentax Lenses: 1,215 | Total Reviews: 6,109 | Views: 32,214,130
Users browsing the lens reviews: Renaissance Cyclist, davethepaint and 60 unregistered users
 
Recent Reviews
Pentax Review RSS Feed
Panagor 80-200mm F3.8 PMC Auto Tele Zoom Review
panagor_80200_3_8.JPG
What a nice and sharp lens !:fedup: ++ very sharp stopped down a few +/++ very few CA's ++ for macro shootings suitable with macro tube ++ high contrast and very good color rendition one of my favorites - highly recommended:lol ::lol::lol:
Rating: 9 | Recommended: Yes Read More
Porst 50mm F/2,0 Color-Reflex NC Auto Review
Porst_f2-2.jpg
I've got the Cosina 2/50 edition in 6/5 lens construction - similar to Ricoh ++/+ very sharp lens as an good performer for portraits :lol::lol::lol: ++/+ nice bokeh for interesting effects ++ excellent coating = very few flare / high contrast ++ very nice color rendition an excell...
Rating: 9 | Recommended: Yes Read More
Revuenon Auto Revuenon 135mm f2.8 Review
K5JH6821_s_.jpg
This old lens is really not so good - I've sold it immediately. O /+ sharpness still okay -/O terrible CA's O flare no recomendation ! :mad: ps. suitable perhaps for children with an EXA I in order to lern, but not for serious shootings of an adult
Rating: 4 | Recommended: No Read More
Revue Revuenon RB 135mm f/2.8 Review
SRGB6686.jpg
It is a 4/4 lens construction with CA's wide open in the corners :o - a normal phenomena without an achromatic lens. I've bought this lens with good blue coating (perhaps a later model with changed lens construction ?) But stopped down to f 8-11 these CA's will diappear, nearly totally :fedup: ++ ...
Rating: 9 | Recommended: Yes Read More
Photax-paragon ( revuenon, palar, etc) 35mm f3.5 Review
photax-paragon35-3.jpg
There are two editions. I've got ones with the small front lens as Revuenon Special. For children in combination with an analogue EXA I body it's okay, but not for adult photographers. Inspite of optical construction 6/5, there are so much CA's in the corners.:o:o:o only for micro 4/3 suita...
Rating: 4 | Recommended: No Read More
Chinon 135mm F2.8 Multi-coated Review
AutoChinon135mm-1.jpg
Yes, some chromatic abberations, but what lovely images can produce this lens, not only for the price! It is easy to use and if would be with autofocus it would be awesome! I have the PK mount, and all I can say that if you find one, go get it!
Rating: 9 | Recommended: Yes Read More
Irix 150mm F2.8 Macro 1:1 Review
Irix_150mm_F28_Macro_3-768x432.jpg
Although the above photos claim Copyright Photodirector they are my photos, just tagged wrong when uploaded!
Rating: 10 | Recommended: Yes Read More
Revuenon 50mm f1.4 MC Review
image12.jpg
Very pleased with the lens I didn't expect much from. I recommend!:):): )
Rating: N/A | Recommended: No Read More
Carl Zeiss 50mm F1.8 Ultron Review
4996288855_5996c461f5_b.jpg
Yes the ZEISS 50MM F1.8 ULTRON lens is really something special. Very glad I finally managed to get one myself. A superb lens with character! :)
Rating: 10 | Recommended: Yes Read More
Samyang 85mm F1.4 Aspherical IF Review
IMGP00561.jpg
It's a beautiful lens that looks great on camera. The build quality seems solid. The focusing ring is very precise and a bit tight. The only thing I don't like is the lens hood that needs to be removed to put the cap on. Sharpness- wise it obviously isn't a Zeiss or Sigma Art and for the price I d...
Rating: 8 | Recommended: Yes Read More



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