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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 
10 225
  Current Prime Lenses (2 viewing)
6 60
  Legacy Zoom Lenses (4 viewing)
98 869
  Legacy Prime Lenses (5 viewing)
58 378
Tamron Lenses
  Current Zoom Lenses (2 viewing)
5 306
  Current Prime Lenses 
1 54
  Legacy Zoom Lenses (1 viewing)
18 205
  Legacy Prime Lenses (2 viewing)
18 58
Tamron Adaptall Lenses
  Zoom Lenses 
42 181
  Prime Lenses (3 viewing)
26 178
  Adaptall Adapters 
Adapters that enable the use of Tamron Adaptall lenses on Pentax cameras.
8 14
Samyang Lenses
  Prime Lenses (2 viewing)
16 161
Lensbaby Lenses
  Prime Lenses 
13 6
Venus Laowa Lenses
  Current Prime Lenses 
6 7
Tokina Lenses
  Prime Lenses 
20 128
  Zoom Lenses (3 viewing)
58 279
Samsung Lenses
  Prime Lenses 
2 3
  Zoom Lenses 
6 8
Schneider-Kreuznach Lenses
  Prime Lenses 
6 3
  Zoom Lenses 
4 10
Vivitar Lenses
  Zoom Lenses (6 viewing)
39 212
  Prime Lenses (6 viewing)
57 277
Cosina Lenses
  Zoom Lenses (1 viewing)
11 39
  Prime Lenses (4 viewing)
23 76
Ricoh Lenses
  Prime Lenses (3 viewing)
26 124
  Zoom Lenses 
12 29
Carl Zeiss Lenses
  Prime Lenses (5 viewing)
34 160
Quantaray Lenses
  Zoom Lenses 
11 46
Russian and Zenitar Lenses
  Prime Lenses (4 viewing)
49 316
Voigtlander Lenses
  Prime Lenses 
10 80
Miscellaneous Lenses
  Zoom Lenses (4 viewing)
110 175
  Prime Lenses (8 viewing)
309 794
  Teleconverters (All Brands) 
40 153

Recent Products
Helios 28mm f2.8 soviet lens review
Helios 28mm f2.8 soviet lens

MINOLTA .. MD 28mm F2,8
Olympus Zuiko 24mm f3.5 Shift review
Olympus Zuiko 24mm f3.5 Shift

KONICA 50mm F1,7 AR

MINOLTA 50mm F1,4 MC ROKKOR PG
Tokina 300mm f/2.8 AT-X SD review
Tokina 300mm f/2.8 AT-X SD

MINOLTA MC ROKKOR - PF 58mm F1,4
Tamron 490 400mm f7.5 review
Tamron 490 400mm f7.5

Olympus 28mm f/3,5
Komura 75-150mm F4.5-F32 review
Komura 75-150mm F4.5-F32

Most Popular Lenses
Helios 44-2 58mm F/2 review
Helios 44-2 58mm F/2
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 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
Carl Zeiss Jena 50mm F2.8 Tessar review
Carl Zeiss Jena 50mm F2.8 Tessar
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 10-20mm F4-5.6 EX DC J review
Sigma 10-20mm F4-5.6 EX DC J
Sigma 24mm F2.8 Super Wide II review
Sigma 24mm F2.8 Super Wide II

Random Lenses
Sigma 75-200mm F3.8 Autofocus review
Sigma 75-200mm F3.8 Autofocus
Albinar ( Samyang ) 80-200mm f/3.9 review
Albinar ( Samyang ) 80-200mm f/3.9
Sigma 28-70mm F2.8 review
Sigma 28-70mm F2.8
Cosina 55mm Cosinon MC f/1.2 review
Cosina 55mm Cosinon MC f/1.2
Helios 44M-7 (Valday) 58mm, F/2 review
Helios 44M-7 (Valday) 58mm, F/2

Statistics
Pentax Lenses: 1,152 | Total Reviews: 5,614 | Views: 27,202,278
Users browsing the lens reviews: Banghal, cfbuck, Roglebk and 65 unregistered users
 
Recent Reviews
Pentax Review RSS Feed
Venus Optics Laowa 25mm F2.8 2.5-5x Ultra Macro Review
laowa_25mm_ultra_macro_pentax.jpg
What I write now is just a fascination with this strange lens. A solidly built, perfectly and soft focus ring. This is a lens exclusive to ultra macro - just nothing else can be done. The pictures below were taken without any preparation - under the influence of the joy of the lens purchased. ...
Rating: 9 | Recommended: Yes Read More
Tokina RMC 28mm F2.8 Review
tokina28mm.jpg
I found one of these in a second hand "flea market" in Manchester. It was one of those rare discoveries where they have lots of things and this was behind the counter, covered in dust (with no lens cap I might add!) After a little negotiation, I bought it for a mere 10 (couple of pints of beer in M...
Rating: 8 | Recommended: Yes Read More
VarioZenitar-K 25-45mm f/2.8-3.5 MC Review
1.jpg
It is a good zoom, hard-working and very Russian, but with good performance. G ood colors Good shine Bright M echanically, it is no longer so good, the diaphragm mechanism tends to be spent and the zooming slits down. For me, the bokeh is attractive:
Rating: 9 | Recommended: Yes Read More
Tokina ( SL17 / RMC ) 17mm f/3.5 Review
sl17.jpg
Just bought it from a local market, in mint condition, for 120 Euros. I used this Tokina RMC 17mm on an APS-C Fujifilm X-T1 with Zhongyi Turbo II booster adapter, which gives me nearly the same FOV as with a FF sensor without such adapter. I wanted to see where diffraction would kick in as to ...
Rating: 10 | Recommended: Yes Read More
DZOptics Kerlee 35mm f/1.2 Review
Kerlee 35/1.2 is an very impressive lens. Build quality is among the best in modern lenses I have experienced, although it is large and heavy (which something I am not very fond of). Even the lens hood in made of metal. Focus ring is very smooth and has enough throw for precise focusing. The apertur...
Rating: 9 | Recommended: Yes Read More
Vivitar 24-70mm f/3.8-4.8 Series 1 Review
IMG_2253.JPG
This is a real interesting lens. It has become my everday go-to despite its obvious drawbacks. One of the few legacy manual 24-xx Zooms, let alone 24-70, it was build by Cosina for Vivitars prestigious Series I. Full metal, no wobbling in the barrels, no creep, good feel. Not overly heavy nor too lo...
Rating: 8 | Recommended: Yes Read More
Helios - 44M 58mm f2 Review
K5JH7950.jpg
verry good lens:)
Rating: 9 | Recommended: No Read More
Sigma 20-40mm F2.8 EX DG Review
IGP0103.jpg
I've spent quite a while searching for the best wide angle landscape lens for the FF K-1. My short list: Pentax FA 15-30mm f/2.8 ED SDM WR SMC Pentax-FA 20-35mm F4 AL Sigma 20-40mm F2.8 EX DG Tokina AT-X 20-35mm Pro F2.8 This lens' IQ is at least on par with the rest, is ~$700 cheaper than ...
Rating: 10 | Recommended: Yes Read More
Tamron Adaptall-2 SP 17mm f/3.5 (51B/151B) Review
SP17_51B1.jpg
Hello everyone, I wanted to make some consideration about the 17mm adaptall2 3.5 tamron 151B: I bought it on ebay for 170, a figure that I do not consider economic, I did it mainly for landscapes and to exploit the depth of field but I was immediately disappointed by its lack of sharpness even in ...
Rating: 1 | Recommended: No Read More
MINOLTA .. MD 28mm F2,8 Review
I tested the lens on the SONY a7 42MP sharpness in the center of the frame..A - f2,8 - 7 , f4 - 8 , f5,6 - 9 , f8 - 8 sharpness at the edge of the frame....B - f2,8 - 5 , f4 - 6 , f5,6 - 8 , f8 - 8 sharpness at the edge of the frame....C - f2,8 - 3 , f4 - 4 , f5,6 - 5 , f8 - 6 Lens s.n. - 105...
Rating: 9 | Recommended: Yes Read More



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