LOW LIGHT OWL SECURITY Super-16 CINE-8 2/3 INFRARED 50mm F1:1.2 FAST TELE Lens

Description

FACTORY NOT MARKED NIGHT OWL NIGHT & IR LENS
2" about  50mm F1//F1.2 near OBJECTIVE LENS.
NEW OLD STOCK. NOT USED.
IT HAS MIDDLE-BARREL M42 SCREW MOUNT.
May BE ADAPTED TO YOUR OPTICS
With HELP of m42 MACRO TUBE SETS.
This LENS WILL NOT WORK WITH CONSUMER' GRADE
PHOTO-VIDEO CAMERAS as SUCH CAMERAS HAVING
GARD-FRAME around of SENSORS and REAR of LENS D27mm
CANNOT GET CLOSE to IT, AS CLOSE as 2-3mm for INFINITY,
BUT IT CAN BE USED WITH SOME INDUSTRIAL TV CAMERAS
WICH ALLOWS LENS to GET CLOSSER to SENSOR.
THIS is ULTRA SENSITIVE FOR LOW LIGHT, NIGHT
And INFRARED USE.
GOOD FOR MACHINE VISION, SECURITY and SCIENCE USE.
FASTEST LENS COVERING,
With 20mm+ CIRCLE SUPER-16 & 1" FORMATS.
GREAT and FOR SMALLER SUPER-8, 2/3 and MORE.
IT IS ULTRA FAST like F1.2 Infinity FOCUSABLE  IR LENS.
IT HAS near 2mm INFINITY FOCAL PLANE DISTANCE.
REAR ELEMENT D19mm, REAR BARREL DIAMETER 27mm.
FRONT ELEMENT D43mm+.
FILTER SCREW 46mm.
LENS FOCUSING.
SCREW M42, DIAMETER UNDER SCREW 34.5MM,
BARREL DIAMETER OVER SCREW 49MM, 91mm LONG.