aperture diaphragm

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Threads Tagged with aperture diaphragm
	Thread / Thread Starter	Last Post	Replies	Views	Forum
	D FA21/2.4 on PZ-1p film camera - allegedly controlling the diaphragm? How? ( 1 2 3 ... Last Page) BigMackCam	03-28-2024 01:06 AM by fs999	45	1,485	Pentax SLR Lens Discussion
	Sticky: Tutorial/Repair Pentax K-70 with aperture-problem: Exchange solenoid ( 1 2 3 ... Last Page) photogem	11-24-2023 12:02 PM by steamloco76	122	29,769	Pentax K-70 & KF
	Partial Disassembly and "Repair" of a Takumar Bayonet 28mm f2.8 AsahiRaccoon	04-13-2023 09:04 PM by Not a Number	1	874	Pentax SLR Lens Discussion
	Diaphragm issue - Carl Zeiss Jena Sonnar 135mm f3.5 M42 Stefan Jr	03-30-2023 10:37 AM by Stefan Jr	2	1,226	Pentax SLR Lens Discussion
	645-A diaphragm blades won't open all of the way Jerry Utah	01-17-2023 11:28 PM by Jerry Utah	6	420	Troubleshooting and Beginner Help
	Fixing a bent diaphragm metering tab (K1000) reisss	11-15-2022 11:16 AM by scc	3	1,078	Troubleshooting and Beginner Help
	Sticky: Manual: Solenoid replacement: Pentax K-S1 photogem	11-12-2022 10:24 PM by photogem	5	2,718	Do-It-Yourself
	Pentax Adapter K for 645 Lens - operation question ( 1 2) rdeloe	03-25-2022 06:32 PM by kaseki	18	1,932	Pentax Medium Format
	does Pentax dslr somehow adjust diaphragm on "A" lenses? ( 1 2) janosh	03-22-2022 07:03 PM by UncleVanya	15	1,171	Pentax DSLR Discussion
	Dark frames or dark expositure problems in KS2, K30, K50, etc. ( 1 2 3 ... Last Page) sergiogonzalez	02-01-2022 02:04 PM by MarkJerling	163	19,459	Pentax K-S1 & K-S2
	KS2 repair frustrations ( 1 2 3) eorrbit	01-10-2022 07:10 AM by steamloco76	43	3,025	Repairs and Warranty Service
	Macro lens vs reverse ring ( 1 2) lotech	12-05-2021 04:43 PM by lotech	26	1,332	General Photography
	How zooming does not reduce the amount of light that reaches the sensor? ( 1 2) nexflatline	12-04-2021 10:12 AM by 5ks	20	1,344	General Photography
	Super Takumar 24mm/f3.5 Sticky Diaphragms Kingman	09-14-2021 08:08 PM by paulh	11	1,009	Repairs and Warranty Service
	Pentax Auto 110 Potential Stuck Aperture iKokomo	05-29-2021 06:20 PM by Huss	3	1,379	Film SLRs and Compact Film Cameras
	Pentax-DA Rear Converter 1.4x Question ( 1 2) Itbejames	04-15-2021 07:48 PM by Itbejames	23	1,622	Troubleshooting and Beginner Help
	Pentax A 645 300mm f 4 doesn't change the diaphragm opening hatsofe	11-22-2020 08:44 AM by hatsofe	4	933	Pentax Medium Format
	Odd aperture problems with A lens on superA body mwi13	11-03-2020 08:25 PM by stevebrot	14	1,319	Film SLRs and Compact Film Cameras
	Reversed zoom lens technical questions Thagomizer	09-07-2020 12:16 AM by Joetitch	3	995	Pentax SLR Lens Discussion
	DA 18-135mm F3.5-5.6 Kit Lense Aperture Failure zhart78	09-04-2020 11:00 AM by Apet-Sure	5	1,283	Troubleshooting and Beginner Help
	Missing aperture diaphragm (iris) and a buckled blade ( 1 2) zeebanker	08-13-2020 12:23 PM by david94903	17	1,664	Pentax SLR Lens Discussion
	Setting Aperture Manually 645 Lenses vs 67 Lenses diggles	08-03-2020 04:24 PM by oneill	6	1,485	Pentax Medium Format
	Sticky: Detection of aperture block/diaphragm-block failure/stuck solenoid K-30, K-50, K500 photogem	01-26-2020 05:08 AM by photogem	0	5,743	Pentax K-30 & K-50
	Sticky: How to detect aperture block failure on Pentax K-S1 (and K-S2) photogem	01-26-2020 04:54 AM by photogem	0	8,108	Pentax K-S1 & K-S2
	Sticky: How to detect aperture-block failure/stuck solenoid on Pentax K-70 photogem	01-26-2020 04:43 AM by photogem	0	9,087	Pentax K-70 & KF
	K-70 Underexposed Photo Reports ( 1 2 3 ... Last Page) stevebrot	01-11-2020 04:46 PM by BigMackCam	153	37,581	Pentax DSLR and Camera Articles
	Poll: Pentax Aperture/Diaphragm Control Block Failures ( 1 2) SharkyCA	10-10-2019 03:35 PM by photogem	29	5,255	Troubleshooting and Beginner Help
	Manual expose issues with non-kmount lenses tonyzoc	09-13-2018 10:14 PM by MarkJerling	9	1,050	Pentax K-S1 & K-S2
	Adding diaphragm to a mirror lens? Thagomizer	02-05-2018 07:03 PM by Thagomizer	8	1,398	Pentax SLR Lens Discussion
	Advice needed to fix a third party K-mount lens Pentaxis	12-04-2017 08:21 AM by Pentaxis	4	1,090	Pentax SLR Lens Discussion
	K-30 with dawning Aperture problem - what about Pentax-F lenses? ( 1 2) AnttiV	08-30-2017 08:20 AM by AnttiV	28	3,091	Troubleshooting and Beginner Help
	Macro Auto aperture control for reversed lenses; any tinkerers out there doing this? Thagomizer	06-02-2017 11:06 AM by victormeldrew	12	959	Photographic Technique
	Super-Takumar 1.4/50 dissasembly. thundertwin72	04-05-2017 10:05 AM by Adam Schwarzschild	5	17,168	Maintenance and Repair Articles
	K-30/ K-50 Aperture DIY Repair ( 1 2) richandfleur	07-30-2016 03:13 PM by richandfleur	25	11,223	Repairs and Warranty Service
	K-mount Ricoh kr-30sp light meter weirdness barchaetone	07-07-2016 09:19 PM by barchaetone	8	2,101	Troubleshooting and Beginner Help
	Asahi S-M-C Takumar M42 1:4 200 prime lens Saffron	02-29-2016 10:15 AM by Saffron	3	1,302	Pentax SLR Lens Discussion
	Macro Pentax 100mm + macro rings / macro bellows ( 1 2) Precious	02-27-2016 01:56 PM by WPRESTO	21	3,328	Photographic Technique
	How fix diaphragm release? 3pilda	02-03-2016 05:01 AM by 3pilda	7	1,491	Troubleshooting and Beginner Help
	A series and auto diaphragm lens launch ( 1 2) wildman	07-14-2015 09:35 AM by wildman	19	2,020	Pentax SLR Lens Discussion
	Diaphragm wide open no matter what yannouchka77	05-19-2015 06:07 AM by Not a Number	12	1,389	Pentax SLR Lens Discussion

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