I am looking for a 5½" sq. recessed lensboard, if possible, bored for #1 (40mm). Generic lensboard is also acceptable as long as the depth of the recess is at least 1"/25.4mm.
I hope someone has one in their junk drawer! Thanks, in advance, for reading this.
Alan
I hope someone has one in their junk drawer! Thanks, in advance, for reading this.
Alan