ld of view: 17um-3.9um.
The zoom ratio is 6.5:1, 0.7X-4.5X continuous zoom to ensure parfocal image.
It matches the 1/3,1/2-inch size camera.
Specification:
Magnification of main body: 0.7X-4.5X
Magnification of system: 0.35X-2.25X
Numerical aperture: 0.02-0.07 (use 1X Len）
Objective lens angle converter multiple: 0.75X
Objective lens horizontal rotation mode: manual
Working distance of objective angle converter: 95mm-127mm
Distance change after vertical a