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RJ-
9-Apr-2018, 15:00
Hi,

I wonder if anyone knows what this is?

176875

It's worked its way into my hands around 15 years ago. Every now and then, I take it out to try to figure out what it might be used for, and then forget.

The aperture conversion board from the standard Sinar 4x4" lens panel doesn't match a Wista nor Arca Swiss nor Toyo lens panel. I assume it was designed for some kind of digital interface onto the Sinar analogue system?

Kind regards,
RJ

Oren Grad
9-Apr-2018, 15:14
Wild guess: adapter for Cambo Wide DS/RS lens panels/cones.

Greg
9-Apr-2018, 16:48
Home brew adapter for sure. Have come across 2 or 3 in my travels over the years and only ID'ed one for a Galvin 2x3 lens board.

RJ-
10-Apr-2018, 07:25
Thanks - some colleagues guessed it was some kind of digital back for a Silvestri or Hasselblad. I use Silvestri both systems however and haven't found anything in a Phase One era back which seems to match it.

Cambo is a maker I don't know much of other than their student/entry camera.

Greg - it's too well made to be a home brew adapter. I've had it for over 15 years before 3d printing and CNC became widely available.

Kind regards,

RJ

alan_b
10-Apr-2018, 09:36
Oren is correct - it's for mounting Cambo Wide helical-mounted lenses.

https://www.cambo.com/en/wide-rs-series/wds-wrs-digital-lenspanels/

Oren Grad
10-Apr-2018, 09:40
OK, I'm going to move this to the Lounge. In theory you could have lenses that cover LF in the DS/RS mount, but I think all of the ones currently offered and all of the ones I've seen are specified for small-coverage digital applications.

Bob Salomon
10-Apr-2018, 10:00
Thanks - some colleagues guessed it was some kind of digital back for a Silvestri or Hasselblad. I use Silvestri both systems however and haven't found anything in a Phase One era back which seems to match it.

Cambo is a maker I don't know much of other than their student/entry camera.

Greg - it's too well made to be a home brew adapter. I've had it for over 15 years before 3d printing and CNC became widely available.

Kind regards,

RJ
Why not just ask Vincenzo? If he made it he will know what it is for!

alan_b
10-Apr-2018, 10:39
The original Cambo Wide and the DS followup were 4x5. The usual assortment of wide 4x5 lenses were available in the mount.

RJ-
10-Apr-2018, 10:50
Bob - sorry I've no idea who Vincenzo is, although it seems like Oren and Alan have pinned it down.

Oren and Alan have identified it as a non-analogue contaminant. Must get rid of it now.

RJ.

Oren Grad
10-Apr-2018, 10:52
The original Cambo Wide and the DS followup were 4x5. The usual assortment of wide 4x5 lenses were available in the mount.

I have an original Wide and know its range of lenses pretty well, but wasn't as familiar with the DS. So back we go, with apologies for the whiplash. Thank you for the clarification!

Oren Grad
10-Apr-2018, 10:54
Oren and Alan have identified it as a non-analogue contaminant. Must get rid of it now.

:)

In fairness, as you'll see, Alan has corrected me on that point.

Bob Salomon
10-Apr-2018, 10:55
Bob - sorry I've no idea who Vincenzo is, although it seems like Oren and Alan have pinned it down.

Oren and Alan have identified it as a non-analogue contaminant. Must get rid of it now.

RJ.

His last name is Silvestri, he is in Florence, Italy. Just email him the picture and ask him. Tell him that I said hello.

RJ-
11-Apr-2018, 04:05
Thanks Oren & Bob.

Silvestri make fantastic wide angle LF. Perhaps he's from the same family in their Italian factory.

I guess these adapters went out of vogue with the decline of the monorail.

Kind regards,
RJ

Bob Salomon
11-Apr-2018, 04:52
Thanks Oren & Bob.

Silvestri make fantastic wide angle LF. Perhaps he's from the same family in their Italian factory.

I guess these adapters went out of vogue with the decline of the monorail.

Kind regards,
RJ

He is the factory, he is the founder and owner which is why it has his name on the factory.

RJ-
13-Apr-2018, 14:53
He is the factory, he is the founder and owner which is why it has his name on the factory.


Hi Bob -

Factory says:

"We can tell you that is not a product of ours but we are not able to tell you what lens board it is, sorry.

Thank you for the regards from Mr. Salomon.


Our best regards,



Silvestri srl "

Bob Salomon
13-Apr-2018, 15:10
Hi Bob -

Factory says:

"We can tell you that is not a product of ours but we are not able to tell you what lens board it is, sorry.

Thank you for the regards from Mr. Salomon.


Our best regards,
Well, we tried! At least you know what it isnít.


Silvestri srl "