ESTATE SALE FIND: THESE PRE-OWNED UNUSED KALGOR CLOSE-UP LENSES CAME IN A BOX WITH A VINTAGE YASHICA D CAMERA. THEY APPEAR TO NEVER HAVE BEEN USED. I KNOW VERY LITTLE ABOUT CAMERAS OR CAMERA LENSES. THEY ARE KALCOR CLOSE-UP COATED BAYONT 30 m/m LENSES #1 AND #2 SETS.