One (1) NIGHT OWL I-R OBJECTIVE 50mm F1.2 LENS

NEW OLD STOCK, NOT USED.

In original factory plastic bulk pack, no box, bulk supply. 

IT HAS a MIDDLE-BARREL M42 SCREW MOUNT.

MACHINE VISION, SURVEY, SECURITY - BEST USE OF IT.

This LENS WILL NOT WORK WITH CONSUMER' GRADE

PHOTO-VIDEO CAMERAS as SUCH consumer's CAMERAS HAVING

GARD-FRAME around of SENSORS and REAR of LENS D27mm

CAN NOT GET CLOSE to IT, AS CLOSE as 1-2mm for INFINITY,

BUT IT CAN BE USED WITH SOME INDUSTRIAL TV CAMERAS

WHICH ALLOWS LENS to GET CLOSER to SENSOR.

THIS is ULTRA SENSITIVE FOR LOW LIGHT, NIGHT

And INFRARED USE.

GOOD FOR MACHINE VISION, SECURITY and SCIENCE USE.

With CONSUMER GRADE CAMERAS,

CAN BE USED AS MACRO CLOSE-UP only with 4/3 FORMATS.

Makes  USER'/G- IMAGES as 1:2 & 1:3,

AND Near GOOD (for DARK CONDITIONS)as 1:5 to 1:4 .

This LENS NOT BELONGS to MACRO OPTICS,

And GETTING ULTRA SOFT in MACRO USE.

With 22mm Image CIRCLE COVERS 4/3 SUPER-16 & 1" FORMATS,

CINE-35 FORMAT CAN USE IT AS MACRO, CLOSE-UP ONLY.

GOOD and FOR SMALLER Sizes: SUPER-8, 2/3 and MORE.

IT HAS near 2mm INFINITY FOCAL PLANE DISTANCE

REAR ELEMENT D21mm, REAR BARREL DIAMETER 27mm.

FRONT ELEMENT D43mm,

FILTER SCREW 46mm.