Spotmatic F, ES, ESII | Third-party Lens Compatibility

cigardoc · 10-16-2020, 08:15 PM

Originally posted by g026r

Just going from memory, since it's been a while since I owned a Jupiter-37A, but you should be safe:

It's a manual aperture lens, so no aperture pin to worry about.
The rear element is a fair distance up the lens body itself. Since nothing sticks out beyond mount threads, there's nothing to interfere with the open aperture linkage.

thanks for the reply.

i did notice that there was no pin, nothing to interfere, so i screwed it on until it stopped and so now i must harken back to the sunny 16 days of yore, or invest in a light meter

cigardoc · 10-16-2020, 08:17 PM

thanks for the reply.

i did notice that there was no pin, nothing to interfere, so i screwed it on until it stopped and so now i must relearn sunny 16 or buy a hand-held light meter

Originally posted by g026r

Just going from memory, since it's been a while since I owned a Jupiter-37A, but you should be safe:

It's a manual aperture lens, so no aperture pin to worry about.
The rear element is a fair distance up the lens body itself. Since nothing sticks out beyond mount threads, there's nothing to interfere with the open aperture linkage.

cigardoc · 10-16-2020, 08:20 PM

Originally posted by g026r

Just going from memory, since it's been a while since I owned a Jupiter-37A, but you should be safe:

It's a manual aperture lens, so no aperture pin to worry about.
The rear element is a fair distance up the lens body itself. Since nothing sticks out beyond mount threads, there's nothing to interfere with the open aperture linkage.

thanks!

stevebrot · 10-17-2020, 09:57 PM

Originally posted by cigardoc

i must harken back to the sunny 16 days of yore, or invest in a light meter

Stopdown metering will work, you just need to stop the lens down manually using the preset lever and the meter switch on the side.

Steve

wupdigoj · 11-01-2020, 08:49 AM - **1 Like**

I have two helios 44, 58 f2. One will fit my spotmatic F but the other (apparently the same lens) won't. Don't try to mount a smc takumar in a zenit, the small pint in the lens will catch in one of the recessed screws of the mount and you will have an interesting problem: how to unmount it.

stevebrot · 02-14-2021, 11:55 AM

Originally posted by wupdigoj

I have two helios 44, 58 f2. One will fit my spotmatic F but the other (apparently the same lens) won't. Don't try to mount a smc takumar in a zenit, the small pint in the lens will catch in one of the recessed screws of the mount and you will have an interesting problem: how to unmount it.

I just noticed this post. Thanks for pointing out this problem that might potentially affect owners Zenit and other brand bodies where the screw recesses on the mount may be larger than on the Pentax bodies. I am not sure, but my Mamiya/Sekor 1000 DTL might be vulnerable!

Steve

10-16-2020, 08:15 PM	#16
cigardoc New Member Join Date: Oct 2020 Photos: Albums Posts: 5	Originally posted by g026r Just going from memory, since it's been a while since I owned a Jupiter-37A, but you should be safe: It's a manual aperture lens, so no aperture pin to worry about. The rear element is a fair distance up the lens body itself. Since nothing sticks out beyond mount threads, there's nothing to interfere with the open aperture linkage. thanks for the reply. i did notice that there was no pin, nothing to interfere, so i screwed it on until it stopped and so now i must harken back to the sunny 16 days of yore, or invest in a light meter

10-16-2020, 08:17 PM	#17
cigardoc New Member Join Date: Oct 2020 Photos: Albums Posts: 5	thanks for the reply. i did notice that there was no pin, nothing to interfere, so i screwed it on until it stopped and so now i must relearn sunny 16 or buy a hand-held light meter Originally posted by g026r Just going from memory, since it's been a while since I owned a Jupiter-37A, but you should be safe: It's a manual aperture lens, so no aperture pin to worry about. The rear element is a fair distance up the lens body itself. Since nothing sticks out beyond mount threads, there's nothing to interfere with the open aperture linkage.

10-16-2020, 08:20 PM	#18
cigardoc New Member Join Date: Oct 2020 Photos: Albums Posts: 5	Originally posted by g026r Just going from memory, since it's been a while since I owned a Jupiter-37A, but you should be safe: It's a manual aperture lens, so no aperture pin to worry about. The rear element is a fair distance up the lens body itself. Since nothing sticks out beyond mount threads, there's nothing to interfere with the open aperture linkage. thanks!

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Question Spotmatic ES Reviews Page : lens compatibility note	stevebrot	Site Suggestions and Help	3	07-21-2019 08:41 PM
K 1 ll and third party lens compatibility.	Terry C	Pentax K-1 & K-1 II	10	05-15-2018 07:27 AM
Third Party Lens Compatibility - M42 Mount	pendennis	Pentax SLR Lens Discussion	14	12-27-2017 06:49 AM
ES / ESII case	womble	Film SLRs and Compact Film Cameras	2	01-06-2014 04:59 PM
Older third party flashes and Pentax P3 compatibility	CanadianPhotoLuddite	Film SLRs and Compact Film Cameras	6	04-23-2013 01:56 PM

10-17-2020, 09:57 PM	#19
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007 Original Poster	Originally posted by cigardoc i must harken back to the sunny 16 days of yore, or invest in a light meter Stopdown metering will work, you just need to stop the lens down manually using the preset lever and the meter switch on the side. Steve

11-01-2020, 08:49 AM - 1 Like	#20
wupdigoj New Member Join Date: Jan 2011 Location: Vitoria-Gasteiz Posts: 8	I have two helios 44, 58 f2. One will fit my spotmatic F but the other (apparently the same lens) won't. Don't try to mount a smc takumar in a zenit, the small pint in the lens will catch in one of the recessed screws of the mount and you will have an interesting problem: how to unmount it.

02-14-2021, 11:55 AM	#21
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007 Original Poster	Originally posted by wupdigoj I have two helios 44, 58 f2. One will fit my spotmatic F but the other (apparently the same lens) won't. Don't try to mount a smc takumar in a zenit, the small pint in the lens will catch in one of the recessed screws of the mount and you will have an interesting problem: how to unmount it. I just noticed this post. Thanks for pointing out this problem that might potentially affect owners Zenit and other brand bodies where the screw recesses on the mount may be larger than on the Pentax bodies. I am not sure, but my Mamiya/Sekor 1000 DTL might be vulnerable! Steve