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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 (1 viewing)
3 58
  Current Prime Lenses 
3 55
  Legacy Zoom Lenses (4 viewing)
111 1,179
  Legacy Prime Lenses 
65 440
Tamron Lenses
  Zoom Lenses 
27 554
  Prime Lenses (1 viewing)
20 128
Irix Lenses
  Prime Lenses 
8 35
Tamron Adaptall Lenses
  Zoom Lenses (2 viewing)
42 208
  Prime Lenses 
26 212
  Adaptall Adapters 
Adapters that enable the use of Tamron Adaptall lenses on Pentax cameras.
9 19
Samyang Lenses
  Prime Lenses 
16 200
Venus Laowa Lenses
  Prime Lenses 
9 14
Lensbaby Lenses
  Prime Lenses 
13 8
Samsung Lenses
  Prime Lenses 
3 4
  Zoom Lenses 
6 12
Tokina Lenses
  Prime Lenses 
22 148
  Zoom Lenses (2 viewing)
60 327
Schneider-Kreuznach Lenses
  Prime Lenses 
6 4
  Zoom Lenses 
4 10
Vivitar Lenses
  Zoom Lenses (1 viewing)
43 261
  Prime Lenses (4 viewing)
63 329
Cosina Lenses
  Zoom Lenses 
12 47
  Prime Lenses 
23 95
Ricoh Lenses
  Prime Lenses 
27 139
  Zoom Lenses 
14 31
Carl Zeiss Lenses
  Prime Lenses 
34 195
Quantaray Lenses
  Zoom Lenses 
12 51
Russian and Zenitar Lenses
  Prime Lenses 
53 363
Voigtlander Lenses
  Prime Lenses 
12 87
Miscellaneous Lenses
  Zoom Lenses (2 viewing)
123 224
  Prime Lenses (7 viewing)
359 993
  Teleconverters (All Brands) 
43 167

Recent Products
Sigma 70-300mm F4-5.6 APO Macro (1994-2000) review
Sigma 70-300mm F4-5.6 APO Macro (1994-2000)
Venus Optics Laowa 15mm F4.5R Zero-D Shift review
Venus Optics Laowa 15mm F4.5R Zero-D Shift
Sigma 70-210mm F3.5-4.5 AF-APO review
Sigma 70-210mm F3.5-4.5 AF-APO
Sigma UC Zoom 24-50mm 1:4-5.6 review
Sigma UC Zoom 24-50mm 1:4-5.6
Sigma apo (v1) 400mm f5.6 review
Sigma apo (v1) 400mm f5.6

Voigtlander 40mm F2.0 SL Ultron
Venus Optics Laowa 20mm F4 Zero-D Shift review
Venus Optics Laowa 20mm F4 Zero-D Shift
Irix 21mm F1.4 Dragonfly review
Irix 21mm F1.4 Dragonfly
Fujica 24mm f/2.8 DM EBC X-Fujinon-SW review
Fujica 24mm f/2.8 DM EBC X-Fujinon-SW
Irix 30mm F1.4 Dragonfly review
Irix 30mm F1.4 Dragonfly

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
Vivitar (komine) Auto Telephoto 135mm F2.8 review
Vivitar (komine) Auto Telephoto 135mm F2.8
Tamron SP AF 90mm F2.8 Di Macro (272E) review
Tamron SP AF 90mm F2.8 Di Macro (272E)
Sigma 24mm F2.8 Super Wide II review
Sigma 24mm F2.8 Super Wide II
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

Random Lenses
Fujinon Fujinon EBC 200mm f4.5 prime m42 review
Fujinon Fujinon EBC 200mm f4.5 prime m42
ARSAT 30mm F3.5 review
ARSAT 30mm F3.5
Soligor C/D Tele-Auto 135mm F2.8 review
Soligor C/D Tele-Auto 135mm F2.8
RICOH XR RIKENON FISHEYE 1:2.8 16mm review
RICOH XR RIKENON FISHEYE 1:2.8 16mm
Sears Auto 50mm F2.0 review
Sears Auto 50mm F2.0

Statistics
Pentax Lenses: 1,271 | Total Reviews: 6,597 | Views: 39,766,677
Users browsing the lens reviews: rhanz and 25 unregistered users
 
Recent Reviews
Pentax Review RSS Feed
Quantaray 100-300mm F4.5-6.7 LDO Review
Quantaray100_300_0032w.jpg
I only had a DA 55-300 in the 300mm range that I got for my K30. When I got a K1II, I wanted to find full-frame lens for that range. I found this on eBay for $11 plus shipping. I saw positive reviews on here and figured it would be worth a shot. I am very pleasantly surprised. E ven without a...
Rating: 8 | Recommended: Yes Read More
Sigma 50mm F2.8 EX DG Macro Review
sigma_50mm_macroEX.jpg
I was attracted to the Sigma because it seemed like a perfect compromise for my needs: a moderately fast 50mm for FF, while still allowing for all those lovely macro opportunities I may come across on my photo walks. To this end, it has delivered. Wit h F2.8 as the fastest aperture, itís obviously...
Rating: 8 | Recommended: Yes Read More
Sigma 70-210mm F3.5-4.5 APO Review
Sigma_70-210_3_5-4_5_Apo_LR.JPG
I've got 2 items oft the latest version with golden ring and I'm very happy with them.- unfortunately both without the achromatic macro lens for the top screw mount :o:o:o - ++ high sharpness :fedup: +/++ good to excellent correction of CAs (my advice: stop it down a few!) ++ integrated...
Rating: 10 | Recommended: Yes Read More
Sigma 70-300mm F4-5.6 APO Macro (1994-2000) Review
Sigma70-300APOMacro.jpg
The lens I have here is the 1994 variant of the APO Macro, not the Super released in 2000 which according to an old review on Shutterbug ďfeature an entirely new optical formula while keeping the best of predecessors' capabilitiesĒ. Hence the separate database entry. I bought this one as a compani...
Rating: 6 | Recommended: Yes Read More
Sigma 70-210mm F3.5-4.5 AF-APO Review
198670210APO001.jpg
The immediate predecessor to the 70-210mm F3.5-4.5 APO Macro, for which an entry already exists. To my understanding, this was Sigmaís first entry into the higher-end telephoto market back in 1986, so itís a first-generatio n AF push-puller. Itís big and large and quite heavy at ~700 grams but does...
Rating: 7 | Recommended: Yes Read More
Cosina / Petri Cosinon-s 50mm F2 Review
IMGP7351.JPG
The Miranda Camera Company, originally named the Orion Camera Company, manufactured cameras in Japan between 1955 and 1978. This Cosina/Petri badged lens was also sold as a "Miranda 50mm F2.0" in K-mount by the UK Chain Store called Dixons along with the PK-mount Miranda MS1 version of the Cosina c...
Rating: 9 | Recommended: Yes Read More
Yashica Auto Yashinon-DX 50mm f/1.7 Review
27.jpg
Yashinon lenses are often copies of ZEISS lenses - because of a former joint verturebetween ZEISS and Kyocera.:):):) ************ *************PA Y ATTENTION****** *************** ** The old 1.9/50 version named YASHICA, not yet YASHINON ist still a few better than this one. because of ...
Rating: 9 | Recommended: Yes Read More
Tamron Adaptall-2 SP 35-105mm f/2.8 (65A) Review
Tamron_35-105_f2_8_S.jpg
An interesting lens; Iíve seen some really damning reviews of this, but they are wrong I think. I have two of these and there is no sample variation between them optically or mechanically. Mechanically it focuses nicely and the aperture ring operates satisfyingly - but I do find the zoom a bit stic...
Rating: 9 | Recommended: Yes Read More
Sigma UC Zoom 24-50mm 1:4-5.6 Review
sigma-24-50-01.jpg
While waiting to get some 24-70/2.8 money, I couldn't skip this lovely little thing I found in a used hardware store. I was positively surprised overall. Optic ally the lens performs well, if you take into account its age and the fact that its a film lens. Sharpnes s is surprisingly good, but it...
Rating: 10 | Recommended: Yes Read More
Tamron 28-75mm F2.8 AF XR Di LD Macro SP Review
tamron28-75mm.jpg
Very good overall lens, I use it for portraits and indoor pictures Somet imes contrast can be low, and using a lenshood helps Image quality is good, not major aberrations, color transmission tends to be colder but still very good. K5ii has trouble focusing in low light, but the K3-iii doesn't.
Rating: 9 | Recommended: Yes Read More



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