Pentax SLR Lens Discussion

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Thread / Thread Starter	Last Post	Replies	Views
5 Sigma Lenses Converted to Pentax Mount: What are the possibilities? ( 1 2) rgknief60	04-08-2017 02:10 PM by twomonger	16	3,418
4 To 3D print a PK mount? ( 1 2 3) bassek	04-08-2017 12:45 PM by rrstuff	34	3,776
Manufacturer - Super Travenar lens 35mmfilmfan	04-07-2017 05:32 PM by 35mmfilmfan	3	2,159
How can you 'update' a Sigma lens? fstop18	04-06-2017 03:15 PM by stevebrot	4	840
PK/M42 conversion: Meyer Trioplan 2,8/100mm in Exakta mount cyberjunkie	04-06-2017 06:12 AM by Manuel78	5	2,034
3 HD D-FA 24-70 Vs Sigma 17-50 EX DC ( 1 2 3) W.j.christy	04-05-2017 02:54 PM by twomonger	35	4,159
repair to Tokina lens manmarco	04-05-2017 05:50 AM by manmarco	3	993

2 Wide Angle Prime for FF ( 1 2) sibyrnes	04-04-2017 10:11 PM by cyberjunkie	17	3,165
2 M50/1.7 vs M50/2 ( 1 2 3) butangmucat	04-04-2017 09:53 PM by Pioneer	37	4,722
9 Leaflet:Pentax Lenses and Accessories Jeff Lopez	04-04-2017 09:32 PM by Leoi	11	1,231
15 Pentax D FA 50mm f/2.8 Macro sharpest aperture ( 1 2) dotp	04-04-2017 09:14 PM by dotp	16	2,236
Why did my old MF lens just stop focusing? Sagitta	04-04-2017 07:36 PM by niceshot	9	1,188
15 What do you do with your lens boxes? ( 1 2) r0ckstarr	04-04-2017 04:49 PM by pacerr	27	2,026
1 40mm Limited "binding" mount mysterick	04-04-2017 03:36 PM by mysterick	2	759
1 Inconsistent sharpness Sigma telezoom fotofinken	04-04-2017 02:14 PM by pentageek	11	1,196
3 Summicron 2/90 Canada + 14167 R adapter + Leitax ring. Anybody tried this mod? cyberjunkie	04-04-2017 12:32 PM by cyberjunkie	11	2,131
Corner Sharpness: Tamron 17-50 @17mm ZombieArmy	04-04-2017 12:03 PM by geomez	6	1,084
8 The DA 15/4 Limited Does Infrared ( 1 2) fwcetus	04-04-2017 10:26 AM by zapp	23	2,663
1 400 mm under $1k ( 1 2) bpv_UW	04-03-2017 09:26 PM by bpv_UW	26	2,441
5 I just joined the 500 club W.j.christy	04-03-2017 08:35 PM by BigDave	8	1,210
2 SMC Pentax 45-125mm f4 Northenlights	04-03-2017 07:39 PM by Northenlights	4	2,769
AM Topcor MC 135mm f/2.8 jiimaa	04-03-2017 01:42 PM by John Shriver	2	4,237
My NEW Favorite "3D Pop" lens - the MOG TRIOPLAN Fenwoodian	04-02-2017 03:30 PM by dorel	5	2,215
1 Wide angle lens recommendation? Shakey	04-02-2017 12:40 PM by kh1234567890	13	1,218
4 rusty aperture blades soti	04-02-2017 10:40 AM by niceshot	11	2,374
5 help on deciding between UWA's ( 1 2) no694terry	04-02-2017 03:11 AM by 35mmfilmfan	27	2,711
15 Does exist a really good everyday zoom lens? ( 1 2 3 ... Last Page) Exhale	04-02-2017 02:11 AM by Tatouzou	60	5,880
Will New SDM help DA*300 focus faster Shanti	04-01-2017 06:17 PM by Shanti	5	1,088
1 Which model of camera was used? lakeshore	04-01-2017 11:06 AM by Rupert	7	943
3 Anybody else got a Spiratone Minitel 500mm f:8 mirror lens? ( 1 2) GibbyTheMole	04-01-2017 12:18 AM by cobbu2	15	12,905
29 Grand Canyon Hiking Trip Lenses Recommendation ( 1 2) GlennG	03-31-2017 05:30 PM by SpecialK	25	3,503
misbehaving Tamron Adaptall-2 P-KA adapter cyberjunkie	03-31-2017 05:21 PM by cyberjunkie	14	1,598
6 15mm Limited silver or black on a black K3II? ( 1 2) clickclick	03-31-2017 04:12 PM by asahi67	27	3,265
7 How do you assess lens quality? Frosty66	03-31-2017 02:46 PM by kiwi_jono	12	935
1 sigma 28mm 2.8 mini wide II disassemble for problems teoprome	03-31-2017 08:59 AM by Tibix	2	4,529
8 Lens Question ( 1 2) Oldseabee	03-31-2017 08:12 AM by demondata	15	1,533
Wobbly barrel on Tamron Adaptall-2 300mm 2.8 360B. Possible fix? grahame	03-31-2017 07:49 AM by yurihuta	5	1,273
1 4 lenses compared at 35mm; Sigma Art vs Pentax 31mm limited vs 20-35mm vs 28-105mm englishphotographer	03-31-2017 06:03 AM by chrisfer	12	2,895
5 How does the 150-450mm perform with the K-1? wolfone	03-31-2017 04:17 AM by UrmoP	8	1,891
70-200 2.8 tamron vs 55-300 WR RE? ( 1 2) larsbars	03-31-2017 03:41 AM by WPRESTO	22	3,264