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By certification 
◆Observation unit: 45°tilted binocular observation unit
◆Magnification of eyepiece: 16X
◆Focal length of objective lens: F’=230mm& F’=280mm
◆Working distance:215mm&260mm
◆Magnification changer: 5-step magnification changer (0.4X，0.66X，1X，1.5X，2.5X)
◆Total magnification: 2.9X—21.7X
◆Linear field of view:11mm–84mm
◆Beam splitter: 50:50 beam-splitter
◆Total magnification of demonstrator: 2.1X – 16.4X
◆TV adapter: C-mount or 1/3˝CCD camera attachable
◆Fine focusing distance:20mm
◆Balance arm: Height and counterweight adjustable, the arm can be locked.
◆Illumination: Coaxial cold light source illumination with 15V150W halogen lamp, brightness adjustable
◆Filter: Built-in green and yellow filter
◆Stand: Short column fitted in 5-star base
◆Magnification of eyepiece: 16X
◆Focal length of objective lens: F’=230mm& F’=280mm
◆Working distance:215mm&260mm
◆Magnification changer: 5-step magnification changer (0.4X，0.66X，1X，1.5X，2.5X)
◆Total magnification: 2.9X—21.7X
◆Linear field of view:11mm–84mm
◆Beam splitter: 50:50 beam-splitter
◆Total magnification of demonstrator: 2.1X – 16.4X
◆TV adapter: C-mount or 1/3˝CCD camera attachable
◆Fine focusing distance:20mm
◆Balance arm: Height and counterweight adjustable, the arm can be locked.
◆Illumination: Coaxial cold light source illumination with 15V150W halogen lamp, brightness adjustable
◆Filter: Built-in green and yellow filter
◆Stand: Short column fitted in 5-star base
