Pentax SLR Lens Discussion

Thread / Thread Starter	Last Post	Replies	Views
Takumar lenses specifications and optical formulas BRunner	07-31-2009 09:44 AM by deejjjaaaa	5	3,392
A, B, or C - what say you? teetoeb	07-31-2009 07:25 AM by Lowell Goudge	14	3,406
Lenses BlueEyes	07-31-2009 12:35 AM by BlueEyes	6	2,887
Thoughts on 16-45 vs 17-70 vs Tamron 17-50 fiish	07-30-2009 11:03 PM by fiish	7	2,748
Pentax DA 55 -300 Vs Sigma 70-300mm F4-5.6 APO DG MACRO chaminda_jay	07-30-2009 09:54 PM by Darius4522	10	8,347
What the FA 100-300 f4,7 (silver) can do bdery	07-30-2009 08:56 PM by bdery	2	1,852
Lensbaby 2.0, $69.99 @ Amazon w/ free shipping deadwolfbones	07-30-2009 08:29 PM by jimby	14	3,057

f-stops....what do they stand for??? jackbullet	07-30-2009 07:00 PM by Lowell Goudge	8	2,643
M2000mm Reflex gofour3	07-30-2009 04:15 PM by Raybo	7	2,988
What lens to compliment my Sigma 10-20? ozlizard	07-30-2009 03:07 PM by wtlwdwgn	7	1,477
Should they stay or should they go? Some of my lenses that is. jboyde	07-30-2009 01:21 PM by Lowell Goudge	2	1,849
S-M-C 1,4/50 redish? estudleon	07-30-2009 12:41 PM by estudleon	0	1,279
Sigma APO 400mm f5.6 Telephoto Lens that is foggy jack56	07-30-2009 11:16 AM by jack56	6	10,166
DA 70mm or FA 77mm? TheTenaciousOne	07-30-2009 10:18 AM by jeffrey r	4	3,356
Super-Tak 200mm/4: too many adjustable rings, who can help? Rense	07-30-2009 09:54 AM by Rense	3	1,937
4 135mm Lens test: Six primes and a zoom ( 1 2) Just1MoreDave	07-30-2009 09:38 AM by Just1MoreDave	27	37,898
Which macro lens will work on K100D Old Film Guy	07-30-2009 04:45 AM by ismaelg	1	1,593
Wide angle recommendation K-9	07-30-2009 12:27 AM by axl	12	3,813
3D photography MattGunn	07-29-2009 09:54 PM by Saxplayer1004	5	5,348
DA* 300 Question zinj	07-29-2009 07:47 PM by imtheguy	4	2,288
Extension tubes Charles1	07-29-2009 02:22 PM by Charles1	2	2,223
DA70 or 77??? jackbullet	07-29-2009 01:10 PM by Miserere	14	3,119
Lens hood for Pentax f70-210 RielTime	07-29-2009 11:04 AM by Just1MoreDave	1	2,410
k20D+DA*50-135 or just K-7? DurDur	07-29-2009 09:41 AM by jstevewhite	8	1,770
Sigma 135-400 APO and APO DG NaClH2O	07-29-2009 04:50 AM by The PIPE	14	15,587
Sigma 55-200 f4-5.6 DC for K7 petercrane	07-28-2009 05:52 PM by Arpe	1	3,188
Screw-drive auto-focus from the inside Just1MoreDave	07-28-2009 03:56 PM by Class A	6	5,916
a kudos to Pentax for good customer service nostatic	07-28-2009 02:55 PM by nostatic	0	1,815
Cheap long lens ( 1 2) usapatriot	07-28-2009 11:55 AM by Blue	29	7,795
Question on using older M42 SuperTakumar ismaelg	07-28-2009 11:47 AM by Just1MoreDave	4	1,746
A or M 50mm 1,7 mec17	07-28-2009 11:07 AM by stevebrot	10	1,841
DA 12-24 back-focus problem gattofix	07-28-2009 09:10 AM by filorp	14	5,634
Canon lens on K-Mount bwield	07-28-2009 07:17 AM by bwield	4	3,646
DA* lens blowing air from between the body and lens when zooming? pasipasi	07-28-2009 05:30 AM by Lowell Goudge	4	2,370
SLR > DSLR focal length conversion? ( 1 2) wedge	07-28-2009 05:05 AM by Lazaruscomeout	20	12,252
My first Tak's on the way! SCguy	07-27-2009 06:30 PM by raymeedc	6	1,702
Which 70-200 f2.8 dilemma ( 1 2) OrenMc	07-27-2009 04:38 PM by jackbullet	18	4,614
Sigma 17-70 Recognising as a 10-20 happyant	07-27-2009 01:24 PM by Entropy	4	1,496
DA* 16-50, M 20, 12-24, 10-20 at 20mm? Pentaxor	07-27-2009 12:44 PM by jsherman999	6	2,103
Pentax SDM vs Sigma HSM. Which is better? ( 1 2 3) Peter Zack	07-27-2009 11:00 AM by netuser	31	11,386