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Help: infitniy focus with 9x12 Unknow beauty

Cameras & Camera Accessories - www.largeformatphotography.info
Hello!

I received an unexpected gif last week :-) A beautifull unnamed 9x12 glass plate camera.

The only reference I can recognize are the manufacturers of the shutter: AGC; and the lens, a Scheneider Radionar 135/4.5 of 1928.

I'd like to use the focus scale as much as possible but I'm sure that it needs to be adjusted. I mean, it seems to have been unmounted and mounted again because the infinity doesn't aims at the camera. So I've tried to adjust it to mount it again correctly but there is something I'm not sure about. I'm trying to find focus using the ground glass that, by the way, it's not cristal clear at all!!!. The question is that I need to extend too much the bellows to find focus at infinity wich is something strange if I compare it with my Pacemaker and its Optar 135/27. And if I use that infinity focus point as a reference, if I try to focus an object at 1 meter the reference in the scale is completly wrong at that distance. The same for 2 meters ... So, the focus scale is not realiable at all.

What do you think?

1.

2.

Thank you in advance !

Cheers

Antonio


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