Third-Party Lenses | PentaxForums.com Reviews

8.1

Laowa 20mm F4 Zero-D Shift

21,554 views | Nov 20, 2022

Laowa 20mm F4 Zero-D Shift

8.3

Irix 45mm F1.4

49,296 views | Mar 22, 2021

Irix 45mm F1.4

7.9

Laowa 100mm F2.8 2x Ultra Macro APO

51,284 views | Feb 3, 2021

Laowa 100mm F2.8 2x Ultra Macro APO

8.1

Venus Optics Laowa 60mm F2.8 2:1 Ultra Macro

36,268 views | Jun 13, 2020

Venus Optics Laowa 60mm F2.8 2:1 Ultra Macro

8.3

Irix 150mm F2.8 Macro

82,446 views | Nov 24, 2019

Irix 150mm F2.8 Macro Review

8.3

Lensbaby Burnside 35mm F2.8

33,735 views | Dec 20, 2018

Lensbaby Burnside 35mm F2.8

8.6

Venus Optics Laowa 12mm F2.8 Zero-D

63,267 views | Nov 18, 2018

Venus Optics Laowa 12mm F2.8 Zero-D

7.6

Sigma 18-300mm F3.5-F6.3 Contemporary

56,542 views | Nov 18, 2018

Sigma 18-300mm F3.5-F6.3 Contemporary

7.4

Irix 11mm F4 Firefly & Blackstone

57,993 views | Aug 1, 2018

Irix 11mm F4 Firefly & Blackstone

7.7

Irix 15mm F2.4 Firefly & Blackstone

117,651 views | Jun 11, 2018

Irix 15mm F2.4 Firefly & Blackstone Review

7.7

Lomography Daguerreotype Achromat 64mm F2.9 Art

72,913 views | Oct 11, 2017

Lomography Daguerreotype Achromat 64mm F2.9 Art Review

7.6

Rokinon Tilt-Shift 24mm F3.5

115,977 views | Aug 26, 2016

Rokinon Tilt-Shift 24mm F3.5

8.4

Samyang 16mm F2 ED AS UMC CS

113,685 views | May 20, 2015

Samyang 16mm F2 ED AS UMC CS

8.8

Sigma 18-35mm F1.8 DC HSM "Art"

271,651 views | Nov 3, 2014

Sigma 18-35mm F1.8 DC HSM "Art"

8.0

Samyang 10mm F2.8 ED AS NCS CS

240,435 views | Jun 18, 2014

Samyang 10mm F2.8 ED AS NCS CS

8.4

Sigma 30mm F1.4 DC HSM "Art"

239,785 views | Apr 7, 2014

Sigma 30mm F1.4 DC HSM "Art"

9.0

Sigma 35mm F1.4 DG HSM "Art"

249,240 views | Oct 22, 2013

Sigma 35mm F1.4 DG HSM "Art"

8.6

Sigma 17-70mm F2.8-4 Contemporary

352,539 views | Jul 16, 2013

Sigma 17-70mm F2.8-4 Contemporary

Sort: Newest | Most Views | Alphabetical | Rating Showing reviews 1 - 18 of 23 | Last Page

Third-Party Lenses

Third-party lens manufacturers such as Sigma and Tamron produce a variety of excellent lenses that should not be overlooked. Our third-party lens reviews take a close look at the performance of various non-Pentax lenses.

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Sigma 17-70mm F2.8-4 Contemporary

Sigma 17-70mm F2.8-4 Contemporary

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Samyang 10mm F2.8 ED AS NCS CS

Samyang 10mm F2.8 ED AS NCS CS

Top Reviews

Sigma 17-70mm F2.8-4 Contemporary
86% | Jul 16, 2013 | 352,539 views
Sigma 18-35mm F1.8 DC HSM "Art"
88% | Nov 3, 2014 | 271,651 views
Sigma 35mm F1.4 DG HSM "Art"
90% | Oct 22, 2013 | 249,240 views
Samyang 10mm F2.8 ED AS NCS CS
80% | Jun 18, 2014 | 240,435 views
Sigma 30mm F1.4 DC HSM "Art"
84% | Apr 7, 2014 | 239,785 views
Irix 15mm F2.4 Firefly & Blackstone Review
77% | Jun 11, 2018 | 117,651 views
Rokinon Tilt-Shift 24mm F3.5
76% | Aug 26, 2016 | 115,977 views
Samyang 16mm F2 ED AS UMC CS
84% | May 20, 2015 | 113,685 views

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