ZEISS Interlock 2.8/18

商品類別：ZEISS 機器視覺工業鏡頭

ZEISS Interlock Lenses - Professional lenses with optimized locking screws

Focal Length : 18mm

Max. Aperture : 2.8

Min. Free Working Distance : 200mm

Filter Thread : M82 × 0.75

Camera Mount : F-Mount , M42

Features

● 100° angular field with highest optical performance

● Precise manual focusing

● Robust full-metal construction

● Continuous aperture setting or click stop

● For industrial cameras up to sensor sizes of 24x36 mm or 41mm line sensors

● Features special screws to fix focus and aperture settings even in rough situations

● High contrast over the entire image field

Optical data

Focal length	18mm
Aperture range	f/2.8 – f/22 (1/2 stop intervals or continuous)
Number of elements / groups	14 / 12
Min. working distance (object to sensor)	250mm (0.82 ft.) - ∞
Min. free working distance	120mm (0.39 ft.) - ∞
Angular field* (diag. / horiz. / vert.)	99.9 / 89.4 / 66.5°
Max. diameter of image field	43mm (1.7")
Flange focal length	F-Mount : 46.5mm (1.8") ; M42-Mount : 45.5mm
Coverage at close range	274 × 180mm (10.8 x 7.1") ; line : 318mm (12.5”)
Image ratio at close range	1:7.4
Filter-thread	M77 × 0.75
Weight	722g (1.59 lbs. )
Camera mount	F bayonet , M42