Night Vision

One (1) NIGHT OWL OBJECTIVE 50mm F1.2 LENS
NEW OLD STOCK, NOT USED.
IT HAS MIDDLE-BARREL M42 SCREW MOUNT.
May BE ADAPTED TO YOUR SYSTEM
With HELP of m42 MACRO TUBE SETS.
MACHINE VISION, SURVEY, SECURITY - BEST USE OF IT.
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
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.
LENS FOCUSING.
SCREW M42, DIAMETER UNDER SCREW 37MM, 81mm LONG.
1 LENS in THIS LOT ONLY,
NO ADAPTERS, NO CAMERAS INCLUDED.
NEW , OLD STOCK, NOT USED,
MAY HAVE NOT VISIBLY FOR USE MICRO-DUST SPECKS.