KAPPA 342VF WELL CORRECTED 10-ELEMENT(!) FLAT FIELD PROJECTION LENS FOR 8X10" 5X7" DIGITAL PROJECTION.
MEASURED & CALCULATED by SELLER, SOLD AS DESCRIBED. AS CALCULATED.
NICE TAKING LENS for 8X10"++ CAMERA covers INFINITY.
 F2.8 FAST 10-element 250mm PROJECTION FLAT FIELD LENS.

CAN BE USED FOR ANALOG PROJECTION up to 11X11"+.
CAN BE USED for 8X10" CAMERAS with Infinity++  COVERAGE /& 11X14" for close distance/.
 
VG++++, CLEAR GLASS HAS NO SCRATCHES, 
LITTLE DUST, LITTLE FUNGUS, NOTHING THAT AFFECTS PRACTICAL USE.

NOW a LOT of LENS-BOARD MAKERS on EBAY FROM USA, ITALY, CHINA -
IT is POSSIBLE TO ORDER a not expensive LENS-BOARD 
FOR ANY 4X5", 5X7", 8X10", 11X14" VIEW CAMERA,

 142mm LONG.  REAR SCREW DIAMETER 115mm. W.2kg 500g.
 REAR ELEMENT D90mm, FRONT D90mm. 
CALCULATED 250mm : 90mm = f 2.8
METTERED THROUGH THE LENS ACTUAL FN# COULD BE DIFFERENT from GEOMETRICAL VALUE CALCULATION.