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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 
10 195
  Current Prime Lenses (1 viewing)
6 56
  Legacy Zoom Lenses (1 viewing)
96 828
  Legacy Prime Lenses (2 viewing)
58 356
Tamron Lenses
  Current Zoom Lenses (4 viewing)
7 336
  Current Prime Lenses 
1 52
  Legacy Zoom Lenses 
16 152
  Legacy Prime Lenses 
16 54
Tamron Adaptall Lenses
  Zoom Lenses (1 viewing)
42 173
  Prime Lenses 
26 164
  Adaptall Adapters 
Adapters that enable the use of Tamron Adaptall lenses on Pentax cameras.
7 10
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 (1 viewing)
17 111
  Zoom Lenses (3 viewing)
56 261
Samyang Lenses
  Prime Lenses (3 viewing)
16 139
Vivitar Lenses
  Zoom Lenses (8 viewing)
38 199
  Prime Lenses (1 viewing)
54 265
Cosina Lenses
  Zoom Lenses 
11 36
  Prime Lenses 
22 66
Ricoh Lenses
  Prime Lenses 
26 114
  Zoom Lenses 
12 26
Carl Zeiss Lenses
  Prime Lenses 
34 149
Quantaray Lenses
  Zoom Lenses 
11 44
Russian and Zenitar Lenses
  Prime Lenses (1 viewing)
47 291
Voigtlander Lenses
  Prime Lenses (1 viewing)
10 72
Miscellaneous Lenses
  Zoom Lenses (1 viewing)
104 163
  Prime Lenses (4 viewing)
284 721
  Teleconverters (All Brands) 
40 148

Recent Products
Meyer-Optik-Görlitz (Globell Version) 50mm F2.9 review
Meyer-Optik-Görlitz (Globell Version) 50mm F2.9
Makinon 24mm F2.8 review
Makinon 24mm F2.8
DZOptics Kerlee 35mm f/1.2 review
DZOptics Kerlee 35mm f/1.2
Hoya 80-200mm F4.0 HMC ZOOM review
Hoya 80-200mm F4.0 HMC ZOOM
Adaptall M42 screw mount review
Adaptall M42 screw mount
Zeiss 25mm f/2 review
Zeiss 25mm f/2
Albinar Auto Tele Converter 2x Multi-Coated review
Albinar Auto Tele Converter 2x Multi-Coated
Hanimar 135mm f3.5 preset T-Mount review
Hanimar 135mm f3.5 preset T-Mount
Sigma 100mm 1:2.8 Micromacro YS System focusing review
Sigma 100mm 1:2.8 Micromacro YS System focusing
Fujita 135mm F4.5 review
Fujita 135mm F4.5

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
Ozunon / Five Star 35-75mm F3.5-4.8 MC Auto Zoom review
Ozunon / Five Star 35-75mm F3.5-4.8 MC Auto Zoom
Sigma 500mm F4.5 APO EX review
Sigma 500mm F4.5 APO EX
Promaster Spectrum7 AF 1.7x review
Promaster Spectrum7 AF 1.7x
Samyang 500mm F6.3 DX review
Samyang 500mm F6.3 DX
CPC Phase 2 MC Auto 28mm F/2.8 review
CPC Phase 2 MC Auto 28mm F/2.8

Statistics
Pentax Lenses: 1,091 | Total Reviews: 5,208 | Views: 22,117,176
Users browsing the lens reviews: Leumas, red_potatoes and 37 unregistered users
 
Recent Reviews
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Sigma 18-300mm F3.5-6.3 DC Macro HSM (Contemporary) Review
10821481.jpg
After trashing a great DA 18-250 with an unfortunate stuck lock pin, I had to decide between a DA18-270 and this Sigma 18-300. The sigma seems to offer a more sophisticated and recent lens formula and a more solid built quality; it’s way cheaper and comes with enthusiastic reviews. The Pentax on the...
Rating: 8 | Recommended: Yes Read More
Sigma APO 100-300mm F4 EX DG Review
Sigma_100-300mm_F4_EX_DG_APO1.jpg
Bought this version two lens in almost new condition two weeks ago. It had just been listed, and I wasted no time in sealing the deal. Everything good I had read about this lens was 100% true. I have taken it out on four photo treks already, so have had the opportunity to get a real feel for this...
Rating: 10 | Recommended: Yes Read More
Sigma 18-300mm F3.5-6.3 DC Macro HSM (Contemporary) Review
10821481.jpg
This all in one, jack of all trades lens is the best I've had to date. In this photo I'm about 2 feet back from subject f11 on a tripod, ISO 200. Focal length 190mm. This plant is about 1/4 inch wide. This is a 100% jpeg crop, no post processing. I could knock down the highlights with Raw, but I t...
Rating: 10 | Recommended: Yes Read More
Meyer-Optik-Görlitz (Globell Version) 50mm F2.9 Review
IMGP6029_DxO.jpg
This is a special effect lens. It is not modern, it is not sharp, but it can nevertheless produce great images. On flickr, there is a group available https://www.fli ckr.com/groups/ 2722744@N20 I have uploaded some sample images into my gallery:
Rating: 10 | Recommended: Yes Read More
Soligor 20mm f:2.8 C/D Wide-Auto Review
IMGP5356.jpg
Better than imagined.
Rating: 8 | Recommended: Yes Read More
Soligor 60-300mm F 4-5.6 MC C/D Zoom + Macro Review
IMG_7780_small.jpg
This review is for "made by Kiro" (serial 98xxxxx) My sample found in really very nice condition. This lens was great recommendation long time ago in Germany/Austria by famous author. His name is Barnim A. Schulze who wrote books about camera and other and make lens tests in famous German fotoMAGAZI...
Rating: 10 | Recommended: Yes Read More
Tokina RMC / SL135 135mm 2.8 Review
RMC_Tokina_135mm.jpg
Absolutely worth it all the way up to $80US. My copy has some fungus demons and it still has plenty of resolving power on my 13mp 5D classic. This is a perfect lens for portraits so long as you're not shooting back-lit - or if you do, I'd recommend using a full frame Nikon to balance the histogram ...
Rating: 10 | Recommended: Yes Read More
Makinon 24mm F2.8 Review
makinon_auto_multi-coated_24mm_f28_m42_05.jpg
Its a good lens. Its no worse (or better),in term of image quality,than any other 24mm lens from a third party manufacturer from that era. This includes sharpness, distortion, and bokeh quality. I actually think its better in terms of color saturation than the highly reviewed Tamron adaptall-2 24m...
Rating: 7 | Recommended: Yes Read More
Promaster 60-300mm F4-5.6 Zoom Macro Review
zz_60_300_4x.jpg
I saw this lens on Ebay for a low price and bought it based on the reviews here. I haven't been disappointed. I think the color rendition is nice and there's an overall "feel" to the pictures taken with this lens that I like. It's not the sharpest, especially farther away, but for the price and t...
Rating: 9 | Recommended: Yes Read More
Vivitar Series 1 (Komine) 28-90mm F2.8-3.5 Review
Vivitar_Series_1_28-90mm_F2_8-3_5.jpg
I don't have much to add to other reviews -- this lens is as sharp as almost any prime lens I've used. I haven't had it too long and haven't used it much, but took some photos today and made a flickr album. Highly recommended for lovers of old manual lenses.
Rating: 9 | Recommended: Yes Read More



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