hi for sale is a 270 f 9 schneider g claron lens.... for 8x10 and smaller.....in a copal /polaroid press style shutter... ie speeds T,B, 1 through 1/125 ... self cocking.........this is the rare earlier version of the g claron.... 6 elements in 2 groups... a copy of the goerz golden dagor/ trigor...as it is corrected for table top distances as well as landscapes.... the Bokah is better[ smoother} than the later version of the g claron... these lenses have been raved about by the likes of ron wisner .... gains coverage as you stop down... plus so sharp!!!!! and way smaller than a plasmat design.... do your back a favor and get this lightweight lens!!!!!..... 385.00 plus shipping