Soligor 200mm Tele-Auto f/2.8 in M42

2009-02-20
I recently got a Soligor 200mm f/2.8 in M42 mount. The lens is in pristine condition but I have not taken any shots from it except few product shots. My lens has a serial number starting with 37 and the lens may be related to Tokina as Vivitar brand has serial number starting 37 were manufactured by Tokina.


Soligor 200mm f/2.8 in M42

Soligor Tele-Auto f/2.8 MC
72mm filter size
Serial #: 37....

soligor 200mm f/2.8 in M42

soligor 200mm f/2.8 in M42

This older M42 lens does't come with a A/M switch. It has a long pin sticking out with the aperture wide open and my K20D body won't depress it to the close down the blades according to aperture stops

Soligor 200mm f/2.8 in M42

Soligor 200mm f/2.8 in M42

I am planning to do some modification to make the lens manual permanently. I researched on various discussions with questions to all my buddies such as Mis, Peter, Frank, and few others from another forums, here is the summary of possible remedies:
  1. Use some way to jam the pin with cotton swap
    - Converting Auto-Aperture M42 Lens to Manual Aperture on Flickr - Photo Sharing!
  2. Crazy clue to press down the pin in position
    - Peter reported success with Helios-44M
    - Unfortunately, my pin is long and the spring seems very strong underneath
    - Subject to glue used, possible to undo the change
  3. Use of Kindai M42 to K mount adapter
    - Helios 44m-5 is good for k10d?
    - thanks to Frank for the suggestion

Related:

5 comments:

atelierelealbe said...

Hi
I'm very glad that i've found your web site, i was looking for more info about mamyia/sekor 55mm f1.8
Thank you for sharing all this informations
Regards from Romania :)

atelierelealbe said...

i was talking about mam[b]iy[/b]a/sekor :blushing:

Hin Man said...

Thank you so much for the visit and comment. Please feel free to search on the keyword with M42 as in this link

http://techtheman.blogspot.com/search?q=m42

piticu said...

May I suggest the following ingenious trick?
http://chris.stingray.free.fr/Tuto/Modif_H44M4/Pinoche_H44M-4.html

Hin Man said...

Thank you so much for the informed link to using wire on the aperture pin. I end up using rubber band to tide the aperture lever as if the pin is pressed down.

flickr set in:
Lens mod & f/2.8 test shots

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