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Mamiya Sekor CS 2.8/21mm
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PostPosted: Wed Jan 03, 2024 8:02 am    Post subject: Reply with quote
Hello everyone! I'm a new user here and I came on business. I had a story with one very rare lens, it's Hexanon 21mm f/:2.8mm, which I found in Ukraine. Having bought it, I shot my creative project for several years. At one point, I decided to sell it and I managed to do it in my city of Kharkiv. Half a year later, I regretted what I had done and started looking for an alternative and it was hard because I need something small and not heavy, the body should have a code index counter up to ISO 3200, exposure measurement. And with such parameters, there are not so many offers on the market. And for about 4 years I've been looking for a replacement and yesterday a new lens came to me. This is sekor cs 21mm f/:2.8 but what was my surprise that it would not fit other Mamiya cameras among zm quartz.
I saw that this was not the case. And it made me sad. Now I have to dress up to look for something else. I wouldn't want to remake this lens because it's very rare and it's not even on EBay. My lens has the serial number 10578 original covers and it is in a new condition with a gold quality control sticker. I am ready to consider the proposals.


PostPosted: Wed Jan 03, 2024 9:03 am    Post subject: Reply with quote
Dion wrote:
Hello everyone! I'm a new user here and I came on business. I had a story with one very rare lens, it's Hexanon 21mm f/:2.8mm, which I found in Ukraine. Having bought it, I shot my creative project for several years. At one point, I decided to sell it and I managed to do it in my city of Kharkiv. Half a year later, I regretted what I had done and started looking for an alternative and it was hard because I need something small and not heavy, the body should have a code index counter up to ISO 3200, exposure measurement. And with such parameters, there are not so many offers on the market. And for about 4 years I've been looking for a replacement and yesterday a new lens came to me. This is sekor cs 21mm f/:2.8 but what was my surprise that it would not fit other Mamiya cameras among zm quartz.
I saw that this was not the case. And it made me sad. Now I have to dress up to look for something else. I wouldn't want to remake this lens because it's very rare and it's not even on EBay. My lens has the serial number 10578 original covers and it is in a new condition with a gold quality control sticker. I am ready to consider the proposals.


Do you want to adapt to Sony E mount? I that case, there's an adapter: https://www.ebay.com/itm/203613395189?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=yYE3BMHATHy&sssrc=2047675&ssuid=ef2s92fIRv6&widget_ver=artemis&media=COPY


PostPosted: Wed Jan 03, 2024 9:08 am    Post subject: Reply with quote
Thank you for the information, I didn't know what it was. But I'm shooting on 35mm film.


PostPosted: Wed Jan 03, 2024 9:57 am    Post subject: Reply with quote
Dion wrote:
Thank you for the information, I didn't know what it was. But I'm shooting on 35mm film.


You could look for the fitting camera body, like a NC1000, they should be pretty cheap.


PostPosted: Wed Jan 03, 2024 10:11 am    Post subject: Reply with quote
caspert79 wrote:
Dion wrote:
Thank you for the information, I didn't know what it was. But I'm shooting on 35mm film.


You could look for the fitting camera body, like a NC1000, they should be pretty cheap.


That's right. They really stand, but the shutter speed setting is placed in a rather unusual place for me, as well as the arrow aperture indicator I am also not very satisfied with it, when I make frames, I set the iso 1600-3200 to then show hp5 with the push process. In this camera, as I understood, there is no possibility to install ISO


PostPosted: Wed Jan 03, 2024 5:11 pm    Post subject: Reply with quote
Dion wrote:
Hello everyone! I'm a new user here and I came on business. I had a story with one very rare lens, it's Hexanon 21mm f/:2.8mm, which I found in Ukraine. Having bought it, I shot my creative project for several years. At one point, I decided to sell it and I managed to do it in my city of Kharkiv.

That's a nice little 21mm lens - it took me quite a while to get one at a reasonable price ... However there are other quite common small lenses such as the Ai Nikkor 3.5/20mm which are as small and have a better berformance (I wouldn't recommend the Olympus 3.5/21mm, at least not for landscapes, though). Nikkor AiS 2.8/20mm is quite small and easily availble too, and Minoltas MD 2.8/20mm is both very small and a very good performer (for a vintage superwide lens).


Dion wrote:
Half a year later, I regretted what I had done and started looking for an alternative and it was hard because I need something small and not heavy, the body should have a code index counter up to ISO 3200, exposure measurement. And with such parameters, there are not so many offers on the market. And for about 4 years I've been looking for a replacement and yesterday a new lens came to me. This is Sekor CS 21mm f/:2.8

Congratulations - that's a quite rare lens indeed, and probably less than thousand samples were ever made (highest SN I'm aware of is in the 600 range, my own is 10110).

Dion wrote:
but what was my surprise that it would not fit other Mamiya cameras among zm quartz.
I saw that this was not the case. And it made me sad. Now I have to dress up to look for something else. ... I am ready to consider the proposals.


You can mount and use the CS 2.8/21mm on the Mamiya ZM (and ZE-X), but the aperture will remain open. And the lens is turned by 90°, so the distance scales are on the right side of the lens instead of on the top!

The better option for you would be the Mamiya ZE-2. With this camera you can use the entire aperture range of your CS 2.8/21mm from f2.8 to f 16 (but there's no open aperture metering!!). The ZE-2 has Auto Exposure (AE), and AE +/- override (2 EV), and a manual mode from 1s to 1/1000s plus a mechanical X (1/90s) and B. In addition, as requested by you, the ISO / ASA goes from 12 ISO to 3200 ISO. It's a small and lightweight no-frills SLR which I have been using for years in highschool, for shooting girls Wink. All the other Sekor E lenses (which allow for open aperture measuring of course) are available for next to nothing. There is some reliable information about these lenses on my website (http://www.artaphot.ch/mamiya/e-ef-lenses) - I have used them all myself. My favourites were the Sekor EF 1.4/50mm, the E 3.5/50mm Macro and the E 3.8/80-200mm.

If you have additional questions just ask!

S


PostPosted: Thu Jan 04, 2024 12:02 pm    Post subject: Reply with quote
stevemark wrote:
Dion wrote:
Hello everyone! I'm a new user here and I came on business. I had a story with one very rare lens, it's Hexanon 21mm f/:2.8mm, which I found in Ukraine. Having bought it, I shot my creative project for several years. At one point, I decided to sell it and I managed to do it in my city of Kharkiv.

That's a nice little 21mm lens - it took me quite a while to get one at a reasonable price ... However there are other quite common small lenses such as the Ai Nikkor 3.5/20mm which are as small and have a better berformance (I wouldn't recommend the Olympus 3.5/21mm, at least not for landscapes, though). Nikkor AiS 2.8/20mm is quite small and easily availble too, and Minoltas MD 2.8/20mm is both very small and a very good performer (for a vintage superwide lens).


Dion wrote:
Half a year later, I regretted what I had done and started looking for an alternative and it was hard because I need something small and not heavy, the body should have a code index counter up to ISO 3200, exposure measurement. And with such parameters, there are not so many offers on the market. And for about 4 years I've been looking for a replacement and yesterday a new lens came to me. This is Sekor CS 21mm f/:2.8

Congratulations - that's a quite rare lens indeed, and probably less than thousand samples were ever made (highest SN I'm aware of is in the 600 range, my own is 10110).

Dion wrote:
but what was my surprise that it would not fit other Mamiya cameras among zm quartz.
I saw that this was not the case. And it made me sad. Now I have to dress up to look for something else. ... I am ready to consider the proposals.


You can mount and use the CS 2.8/21mm on the Mamiya ZM (and ZE-X), but the aperture will remain open. And the lens is turned by 90°, so the distance scales are on the right side of the lens instead of on the top!

The better option for you would be the Mamiya ZE-2. With this camera you can use the entire aperture range of your CS 2.8/21mm from f2.8 to f 16 (but there's no open aperture metering!!). The ZE-2 has Auto Exposure (AE), and AE +/- override (2 EV), and a manual mode from 1s to 1/1000s plus a mechanical X (1/90s) and B. In addition, as requested by you, the ISO / ASA goes from 12 ISO to 3200 ISO. It's a small and lightweight no-frills SLR which I have been using for years in highschool, for shooting girls Wink. All the other Sekor E lenses (which allow for open aperture measuring of course) are available for next to nothing. There is some reliable information about these lenses on my website (http://www.artaphot.ch/mamiya/e-ef-lenses) - I have used them all myself. My favourites were the Sekor EF 1.4/50mm, the E 3.5/50mm Macro and the E 3.8/80-200mm.

If you have additional questions just ask!

S


Thank you very much for such an extended answer and information. I'll try to buy ze2


PostPosted: Thu Jan 04, 2024 2:42 pm    Post subject: Reply with quote
Dion wrote:

Thank you very much for such an extended answer and information. I'll try to buy ze2


I have several ZE-2 here, but first have to check if they are still working.
If they are OK, I can send you one for free (you are still in Ukraine?).

S


PostPosted: Sun Jan 07, 2024 7:15 am    Post subject: Reply with quote
stevemark wrote:
Dion wrote:

Thank you very much for such an extended answer and information. I'll try to buy ze2


I have several ZE-2 here, but first have to check if they are still working.
If they are OK, I can send you one for free (you are still in Ukraine?).

S




No, save God. I’m leaving in Wroclaw, Poland. Oh, that's very cool, I could pay for it if you have a copy in a state close to the new one.


PostPosted: Sun Jan 07, 2024 7:29 pm    Post subject: Reply with quote
Dion wrote:
stevemark wrote:
Dion wrote:

Thank you very much for such an extended answer and information. I'll try to buy ze2


I have several ZE-2 here, but first have to check if they are still working.

S


Oh, that's very cool, I could pay for it if you have a copy in a state close to the new one.


OK, I'll get the necessary batteries tomorrow; then I'll check my ZE-2 SLRs. Stay tuned Wink

S


PostPosted: Mon Jan 08, 2024 11:40 am    Post subject: Reply with quote
stevemark wrote:
Dion wrote:
stevemark wrote:
Dion wrote:

Thank you very much for such an extended answer and information. I'll try to buy ze2


I have several ZE-2 here, but first have to check if they are still working.

S


Oh, that's very cool, I could pay for it if you have a copy in a state close to the new one.


OK, I'll get the necessary batteries tomorrow; then I'll check my ZE-2 SLRs. Stay tuned Wink

S


Thank you!


PostPosted: Sat Jan 13, 2024 2:41 pm    Post subject: Reply with quote
Dion wrote:
stevemark wrote:
Dion wrote:

Oh, that's very cool, I could pay for it if you have a copy in a state close to the new one.

OK, I'll get the necessary batteries tomorrow; then I'll check my ZE-2 SLRs. Stay tuned Wink

S

Thank you!


I have checked my ZE-2 cameras; they are still working - PM me your adress; then I'll send you one.



S

EDIT: it's interesting that - after 40 years - these ZE/ZE-2/ZE-X cameras look much better than the corresponding Contax SLRs which nearly always have a disintegrated leathering!


PostPosted: Sat Jan 13, 2024 10:33 pm    Post subject: Reply with quote
stevemark wrote:
Dion wrote:
stevemark wrote:
Dion wrote:

Oh, that's very cool, I could pay for it if you have a copy in a state close to the new one.

OK, I'll get the necessary batteries tomorrow; then I'll check my ZE-2 SLRs. Stay tuned Wink

S

Thank you!


I have checked my ZE-2 cameras; they are still working - PM me your adress; then I'll send you one.



S

EDIT: it's interesting that - after 40 years - these ZE/ZE-2/ZE-X cameras look much better than the corresponding Contax SLRs which nearly always have a disintegrated leathering!


It really looks good! I had 2 Konica Autoreflex TC most likely they were the cheapest and their skin substitute was also in poor condition. By the way, when I used the FT-1 Motor, it was well assembled, but the power button sounded so bad, it seemed that the plastic would break before I turn it on. As far as I know, FT-1 Motor was the first camera that had auto-rewinding of the frame and could take 2 frames per second in the 83rd year! And it was controversial anyway, but I really liked it. But the weight also made itself felt for more than 6 hours on the shoulder was already hard.
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