Home

Please support mflenses.com if you need any graphic related work order it from us, click on above banner to order!
SearchSearch MemberlistMemberlist RegisterRegister ProfileProfile Log in to check your private messagesLog in to check your private messages Log inLog in

Mamiya sekor 200/3.5 sharpest 200mm is it?
Post new topic   Reply to topic
Home   Manual Focus Lenses
View previous topic :: View next topic  


PostPosted: Sat Feb 25, 2023 11:53 am    Post subject: Reply with quote
Still no fans of Jupiter 21M? http://forum.mflenses.com/jupiter-21m-200mm-4-t78033.html
Found Turtledove image here: https://www.juzaphoto.com/galleria.php?l=en&t=777127 that properly shows Sonnar qualities.


PostPosted: Sat Feb 25, 2023 12:07 pm    Post subject: Reply with quote
To be honest, I've only got the SX one cuz it camed very cheap and felt sorry for it , so now I'll have to look forward how to dismantle front group . The seller had it announced as a soligor (front cap) ,but it arrived with blocked iris, sandy focus ,but optics seem ok. It would be my first 200 to test against the pentacon.


PostPosted: Mon Mar 27, 2023 3:31 pm    Post subject: Reply with quote
Just a look to the sx 3.5 aperture inside[img][/img]


PostPosted: Mon Mar 27, 2023 3:41 pm    Post subject: Reply with quote
The lever that moves the aperture pin, is screwed on the black ring, thats got inside some small metal bearings , the brass rings holds it in on place, if it's to tight, the lever won't move properly; on the other side , on the outside of the body, we can see the small screws (3 of them) that hold 2 rings where the blades are sitting Inside, tightening much those screws, will not allow the 2 inner rings to work properly , so iris won't work well
This lens it camed in very bad shape, everything out of order, bad focusing, aperture not working , I thought it was missing, so, I'm still trying to put it together at some point.
Another interesting issue I've found inside the lens were 2 pins ,like the pin that sits on the mount that need to be pressed to make aperture work. The thicker I would assume is the right one for the mount, but the other one? Where that thing is coming from?


PostPosted: Mon Mar 27, 2023 5:09 pm    Post subject: Reply with quote
I'm kind of stuck over here , as no measuring available for it.


PostPosted: Mon Mar 27, 2023 7:52 pm    Post subject: Reply with quote
Pancolart wrote:
Still no fans of Jupiter 21M? http://forum.mflenses.com/jupiter-21m-200mm-4-t78033.html
Found Turtledove image here: https://www.juzaphoto.com/galleria.php?l=en&t=777127 that properly shows Sonnar qualities.


Yeah those images look amazing.


PostPosted: Tue Mar 28, 2023 3:19 pm    Post subject: Reply with quote
The mamiya DTL last versión and the SX are, like some mamiya branded tele lenses, made by Tokina. The same ocurr with the different versions of the 135/2,8 and 3,5 lenses.

The SX version are specially good wide open.


PostPosted: Tue Mar 28, 2023 8:06 pm    Post subject: Reply with quote
Likely all were made by Tokina except for the second version, which I think is Komine.


PostPosted: Wed Mar 29, 2023 7:33 am    Post subject: Reply with quote
papasito wrote:
The mamiya DTL last versión and the SX are, like some mamiya branded tele lenses, made by Tokina. The same ocurr with the different versions of the 135/2,8 and 3,5 lenses.

The SX version are specially good wide open.


So these mamiya SX lenses made by tokina were exclusive mamiya or rebadged under other names also?


PostPosted: Wed Mar 29, 2023 9:36 am    Post subject: Reply with quote
They seem based on Tokina but with their own livery.


The ES version looks a bit strange but actually shares a lot of Characteristics with the first Tokina version.






PostPosted: Thu Sep 28, 2023 1:07 pm    Post subject: Reply with quote
D1N0 wrote:
They seem based on Tokina but with their own livery.
...
The ES version looks a bit strange but actually shares a lot of Characteristics with the first Tokina version.


To my eye they look like completely different lenses - is there any reliable information that either the Mamyia ES 3.5/200 or the later SX and CS versions ...
A) have the same optical construction as the corresponding Tokina lenses or
B) that they were Mamiya computations, made by Tokina?

The Mamyia Sekor SX 3.5/200mm as well as he Mamiya Sekor CS 3.5/200mm seem to share the same [4/4] optical construction, but the earlier Sekor ES 3.5/200mm has different optics for sure (completely different reflections, different CAs).

While the SX and CS 3.5/200mm have a surprisingly high and unfiorm resolution for a simple [4/4] and fast 200mm lens, its CAs (both lateral and longitudinal) are above average (infinity range). The Mamiya Sekor CS 3.8/80-200mm, for instance, has less LoCAs (purple fringing) and a comparable resolution as the CS 3.5/200mm.

S


PostPosted: Thu Sep 28, 2023 11:22 pm    Post subject: Reply with quote
I have noticed in the past that ES range lenses came in different versions. I have the 35mm and 135mm lenses, the ones I have are definitely the Tokina made versions, but looking on eBay I have noticed other versions of the same focal length, which appear to have similar characteristics to the later SX lenses. For that reason I believe that it was during the period of the Mamiya Auto XTL / X1000 cameras that Mamiya started making all their lenses. Whether at that point they had an association with Osawa I don't know, but by the 1980s there was an association of some sort.


PostPosted: Thu Sep 28, 2023 11:34 pm    Post subject: Reply with quote
Alun Thomas wrote:
I have noticed in the past that ES range lenses came in different versions. I have the 35mm and 135mm lenses, the ones I have are definitely the Tokina made versions,

... would be interesting to some images (or links to images) from those (supposedly) Tokina made Mamiya ES lenses!

Alun Thomas wrote:
but looking on eBay I have noticed other versions of the same focal length, which appear to have similar characteristics to the later SX lenses.

Here's an image of my Sekor ES lenses (scroll down!):
http://forum.mflenses.com/mamiya-xtl-and-x1000-high-tech-slrs-from-the-early-1970s-t81651.html

S


PostPosted: Fri Sep 29, 2023 10:25 am    Post subject: Reply with quote
stevemark wrote:
D1N0 wrote:
They seem based on Tokina but with their own livery.
...
The ES version looks a bit strange but actually shares a lot of Characteristics with the first Tokina version.


To my eye they look like completely different lenses - is there any reliable information that either the Mamyia ES 3.5/200 or the later SX and CS versions ...
A) have the same optical construction as the corresponding Tokina lenses or
B) that they were Mamiya computations, made by Tokina?

The Mamyia Sekor SX 3.5/200mm as well as he Mamiya Sekor CS 3.5/200mm seem to share the same [4/4] optical construction, but the earlier Sekor ES 3.5/200mm has different optics for sure (completely different reflections, different CAs).

While the SX and CS 3.5/200mm have a surprisingly high and unfiorm resolution for a simple [4/4] and fast 200mm lens, its CAs (both lateral and longitudinal) are above average (infinity range). The Mamiya Sekor CS 3.8/80-200mm, for instance, has less LoCAs (purple fringing) and a comparable resolution as the CS 3.5/200mm.

S


Your 200/3.5 ES vs my Tokina 200/3.5



PostPosted: Fri Sep 29, 2023 11:37 am    Post subject: Reply with quote
D1N0 wrote:


Your 200/3.5 ES vs my Tokina 200/3.5



Thank you! That explains it.

Looking at your previous images (from March 2023) I couldn't see any similarities between the Mamiya and the Tokina lenses, thus my question.

S
Post new topic   Reply to topic
Home   Manual Focus Lenses
Goto page Previous  1, 2, 3
Page 3 of 3