mikec
14-Jul-2016, 04:00
Hi,
For anyone that has done this I would be interested in their solution. Note that it is a Hermagis barrel that I have, not a Berthiot. The principle issue is that from photos I have seen, the original flange exterior diameter looks greater than 140mm. Is that so? I personally am thinking of either getting a flange made, such that the screw hole centres are placed so as not to enter the boards rear groove, or using a retaining ring rather than the flange. There is also the possibility of threading the board itself. Comments on those ideas also welcome. I am projecting using it on a Shen-Hao 8x10 where the rear of the lens can be on the inside of the bellows.
Regards,
Mike
For anyone that has done this I would be interested in their solution. Note that it is a Hermagis barrel that I have, not a Berthiot. The principle issue is that from photos I have seen, the original flange exterior diameter looks greater than 140mm. Is that so? I personally am thinking of either getting a flange made, such that the screw hole centres are placed so as not to enter the boards rear groove, or using a retaining ring rather than the flange. There is also the possibility of threading the board itself. Comments on those ideas also welcome. I am projecting using it on a Shen-Hao 8x10 where the rear of the lens can be on the inside of the bellows.
Regards,
Mike