4x5 Crown Graphic w/ 6x7 roll film holder - vf mask?

[BradS]

I have a 4x5 Crown Graphic with the stock 135mm Optar. I'd like to be able to shoot this hand held with a 6x7 roll film holder. The only problem is, I do not the correct view finder mask for this set up.

I was going to make one....does any body know the dimensions of the hole?

Thanks (in advance).

 

[df cardwell]

Check Graflex.org ????

Maybe Midwest has a mask !

 

[BradS]

Check Graflex.org ????

BINGO! Looks like I need a #10 which has an 10.5mm x 14mm opening.

Thanks df.