Help with identifying + valuing SOM Berthiot lens

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smackattack
Posts: 4
Joined: Tue Mar 10, 2020 9:40 am

Help with identifying + valuing SOM Berthiot lens

Postby smackattack » Tue Mar 10, 2020 12:58 pm

Hi, all!

I've have a vintage SOM Berthiot OLOR 1:5.7 f38 lens but I'm having serious difficulty not only identifying the mount, but it's value. There are similar on eBay going for upwards of $1k!
On this lens either it's a very old screw in mount, or the mount is just flat out missing. The diaphragm appears to be very good, and other than being dirty, it's in decent shape. Can anyone help, or know who might?
Two picture included within.

Thanks so very much,
Jason
Attachments
IMG_1096.jpg
IMG_1094.jpg

box86rowh
Posts: 158
Joined: Thu Aug 10, 2017 12:24 pm

Re: Help with identifying + valuing SOM Berthiot lens

Postby box86rowh » Tue Mar 10, 2020 1:39 pm

Hi Jason,

Can you measure the thread diameter in MM?

smackattack
Posts: 4
Joined: Tue Mar 10, 2020 9:40 am

Re: Help with identifying + valuing SOM Berthiot lens

Postby smackattack » Tue Mar 10, 2020 1:49 pm

Thanks for the reply!
I have a micrometer at home, so I'll measure tonight and get back to you.
Thanks again,
Jason

box86rowh
Posts: 158
Joined: Thu Aug 10, 2017 12:24 pm

Re: Help with identifying + valuing SOM Berthiot lens

Postby box86rowh » Tue Mar 10, 2020 1:58 pm

Ok sounds good!

smackattack
Posts: 4
Joined: Tue Mar 10, 2020 9:40 am

Re: Help with identifying + valuing SOM Berthiot lens

Postby smackattack » Tue Mar 10, 2020 5:32 pm

It’s 36mm,
If it’s missing the mount (helicoid), I wonder if it can found, or what’s its worth without.
Thanks for your time,
J

box86rowh
Posts: 158
Joined: Thu Aug 10, 2017 12:24 pm

Re: Help with identifying + valuing SOM Berthiot lens

Postby box86rowh » Tue Mar 10, 2020 5:44 pm

It sounds like it is missing the mount....probably was originally a Exacta mount....hard to gauge a value without the mount unfortunately. Wonder if it could be found....

smackattack
Posts: 4
Joined: Tue Mar 10, 2020 9:40 am

Re: Help with identifying + valuing SOM Berthiot lens

Postby smackattack » Tue Mar 10, 2020 8:23 pm

Yeah, I’ve been looking, but they seem to be way hard to find.
Thanks so much for your time!
Best,
Jason


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