FACTORY NOT MARKED NIGHT OWL

  50mm  F1//F1.2 near OBJECTIVE LENS.

NEW OLD STOCK. NOT USED.

IT HAS MIDDLE-BARREL M42 SCREW MOUNT.

May BE ADAPTED TO YOUR SYSTEMS

With HELP of m42 MACRO TUBE SETS.

FOCUSABLE from INFINTY  to CLOSSER DISTANCE.

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.

F1:1.2  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 HAS near 2mm INFINITY FOCAL PLANE DISTANCE

REAR ELEMENT D19mm, REAR BARREL DIAMETER 27mm.

FRONT ELEMENT D43mm+.

FILTER SCREW 46mm.

CAN FIT into M42 to PL ADAPTER

FOR IMAGE CIRCLE D22mm;

USING with SMALL RED SENSOR & BLACKMAGIC PL.