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apertures

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Threads Tagged with apertures
  Thread / Thread Starter Last Post Replies Views Forum
Stiff aperture coupling on Spotmatic F
p. rex
6 Hours Ago
by p. rex Go to last post
0110 Troubleshooting and Beginner Help
Please explain "calibrated apertures" for A series lenses (Multi-page thread, 2 pages total 1 2)
filmamigo
12-22-2022 10:05 AM
by kwb Go to last post
15731 Pentax SLR Lens Discussion
Lens Sharpness, Field curvature, Focal Plane curvature, Petzval Curvature (Multi-page thread, 3 pages total 1 2 3)
malcolmdavies
12-17-2022 01:45 AM
by pschlute Go to last post
401,805 Pentax SLR Lens Discussion
Pentax variable aperture Zoom Lenses and their open aperture characteristics
acoufap
12-01-2022 01:20 PM
by Not a Number Go to last post
4764 Pentax SLR Lens Discussion
Best apertures 67? (Multi-page thread, 2 pages total 1 2)
Robert9
08-24-2022 07:42 PM
by tuco Go to last post
19958 Pentax Medium Format
Pentax lenses - Resolution performance at various apertures (Multi-page thread, 3 pages total 1 2 3)
BigMackCam
04-18-2022 01:47 PM
by GUB Go to last post
446,870 Pentax SLR Lens Discussion
Pentax-110 system film lenses on APS-C (Multi-page thread, 5 pages total 1 2 3 ... Last Page)
Jean Poitiers
02-07-2022 04:59 PM
by turbo_bird Go to last post
7310,189 Lens Clubs
Too many lenses (Multi-page thread, 7 pages total 1 2 3 ... Last Page)
PenPusher
01-23-2022 04:06 PM
by grey goat Go to last post
1024,293 Pentax SLR Lens Discussion
HD PENTAX DA 560 mm f/5,6 ED AW (Multi-page thread, 5 pages total 1 2 3 ... Last Page)
HavelockV
11-26-2021 12:49 AM
by fs999 Go to last post
6417,055 Lens Sample Photo Archive
Cheap FF AF standard zoom: F35-135 vs FA28-70 (Multi-page thread, 2 pages total 1 2)
VictorDA
07-17-2021 03:19 AM
by VictorDA Go to last post
211,979 Pentax SLR Lens Discussion
Practical Impacts of new K3-III capabilities on Lens Selection - Coatings & Apertures
GlassJunkie
07-16-2021 12:07 PM
by GlassJunkie Go to last post
6796 Pentax K-3 III
AF full-frame ultrawide lens that takes threaded filters ? (Multi-page thread, 4 pages total 1 2 3 ... Last Page)
madbrain
06-05-2021 06:16 AM
by UncleVanya Go to last post
512,494 Pentax SLR Lens Discussion
Lens for starbursts (Multi-page thread, 4 pages total 1 2 3 ... Last Page)
tncasual
03-14-2021 07:07 PM
by tncasual Go to last post
493,341 Pentax SLR Lens Discussion
Issues with Sigma 35-70mm Zoom master lens...
disconnekt
11-02-2020 01:19 PM
by akparnanen Go to last post
1857 Troubleshooting and Beginner Help
Do I sell DA lenses to fund a DFA lens? (Multi-page thread, 3 pages total 1 2 3)
Bunch
08-27-2020 05:15 PM
by mikesbike Go to last post
302,183 Pentax SLR Lens Discussion
Weird aperture issue with the 43mm Limited and a ZX-5N
dwchambers
07-21-2020 02:59 PM
by mikesbike Go to last post
12887 Troubleshooting and Beginner Help
[?] Old telezooms, general performance far vs. close-up at wide apertures
ZyXELo
04-18-2020 03:21 PM
by From1980 Go to last post
5709 Pentax SLR Lens Discussion
New zoom 70-200 F4 (Multi-page thread, 80 pages total 1 2 3 ... Last Page)
Jome
04-09-2020 09:21 PM
by Wheatfield Go to last post
1,185111,793 Pentax News and Rumors
SMC DA* 16-50 vs HD DA 16-85 (Multi-page thread, 2 pages total 1 2)
Clavius
04-01-2020 12:56 AM
by Papa_Joe Go to last post
243,396 Pentax SLR Lens Discussion
HD Pentax-FA 35mm F2 vs SMC Pentax-DA 35mm F2.4 AL on FF Pentax (K-1) (Multi-page thread, 2 pages total 1 2)
house
03-25-2020 02:43 AM
by house Go to last post
194,131 Pentax SLR Lens Discussion
Small pixels, large pixels compared
beholder3
12-17-2019 07:38 AM
by thazooo Go to last post
111,169 General Photography
"I had a dream." What determines the base ISO of a digital sensor? (Multi-page thread, 6 pages total 1 2 3 ... Last Page)
pathdoc
12-15-2019 09:36 PM
by GUB Go to last post
754,230 General Photography
Nikon Z 58mm 0.95 S Noct (low performance) review ...
beholder3
11-08-2019 05:26 AM
by beholder3 Go to last post
13887 Canon, Nikon, Sony, and Other Camera Brands
Landscape Saint Lawrence River in winter garb ... just around the corner ... Brrr !
RICHARD L.
11-06-2019 02:25 PM
by RICHARD L. Go to last post
2436 Post Your Photos!
Ricoh official update the K-mount roadmap (Multi-page thread, 27 pages total 1 2 3 ... Last Page)
OoKU
11-05-2019 01:48 PM
by y0chang Go to last post
39160,210 Pentax News and Rumors
Improvements to the DA limited primes (Multi-page thread, 5 pages total 1 2 3 ... Last Page)
Jonathan Mac
11-01-2019 10:41 PM
by edri Go to last post
644,034 Pentax SLR Lens Discussion
Travel portraits on crop vs full frame (Multi-page thread, 2 pages total 1 2)
jk05x
07-23-2019 01:38 PM
by Kerrowdown Go to last post
263,539 Pentax DSLR Discussion
Returning to photography!
Warz
04-25-2019 01:13 PM
by Wasp Go to last post
11894 Welcomes and Introductions
Aperture Bracketing
BruceBanner
04-17-2019 03:38 PM
by cmohr Go to last post
41,151 Pentax KP
Focus Shift and a Possible Workaround. (Multi-page thread, 2 pages total 1 2)
BruceBanner
10-01-2018 04:04 PM
by pschlute Go to last post
211,887 Photographic Technique
D FA 50 First Impressions
candgpics
08-27-2018 06:37 PM
by candgpics Go to last post
111,249 Pentax SLR Lens Discussion
Adobe lens profiles for Camera Raw, Photoshop CS5, Lightroom 3 (Multi-page thread, 8 pages total 1 2 3 ... Last Page)
knoxploration
08-01-2018 01:39 PM
by TTQ225 Go to last post
109125,587 Post-Processing Articles
Why would somebody buy the DFA28-105? (Multi-page thread, 7 pages total 1 2 3 ... Last Page)
08amczb
07-20-2018 02:56 PM
by BigMackCam Go to last post
1046,655 Pentax SLR Lens Discussion
Old Ideas? (Multi-page thread, 2 pages total 1 2)
BillyCooper
06-30-2018 10:55 AM
by pentasonic49 Go to last post
211,936 Troubleshooting and Beginner Help
Focusing Screen or LV Aid or Tenpa 1.36 Magnifier? (Multi-page thread, 2 pages total 1 2)
BruceBanner
06-28-2018 02:22 PM
by UncleVanya Go to last post
171,737 Pentax Camera and Field Accessories
Grand Lens Test 6: The 45-85 FA Zoom
rdenney
06-05-2018 11:27 AM
by desertscape Go to last post
51,459 Pentax Medium Format
Dumb thing I just did to my M 35/2.8 (Multi-page thread, 2 pages total 1 2)
edom31
06-05-2018 08:45 AM
by edom31 Go to last post
161,855 Repairs and Warranty Service
DA* 200 on FF (Multi-page thread, 3 pages total 1 2 3)
BarryE
05-26-2018 07:03 AM
by normhead Go to last post
302,483 Pentax SLR Lens Discussion
Wide lenses with small apertures, why?
krazny
04-20-2018 03:37 PM
by stevebrot Go to last post
121,259 General Photography
First new glass for my KP is a DA 20-40 Limited and Im very excited ! (Multi-page thread, 2 pages total 1 2)
HelenJo
03-18-2018 11:18 AM
by wstruth Go to last post
294,032 Pentax KP
Page 1 of 4 1 23 Last »

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