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　Optical System

　Infinite optical system

　Viewing Head

　Seidentopf trinocular head inclined at 30°, Interpupillary 48-75mm

　Eyepiece

　Plan eyepiece EW10X/22

　Plan eyepiece with scale of crosshair, Plan eyepiece with cross, Plan eyepiece with gridding

　Strain-Free Plan
Achromatic Objective

　4X/0.10/∞/-  WD 17.3mm

　10X/0.25/∞/0.17  WD 10.0mm

　20X/0.40/∞/0.17  WD 5.10mm

　40X/0.65/∞/0.17  WD 0.54mm

　100X/1.25/∞/0.17  WD 0.13mm

　Nosepiece

　Backward quintuple nosepiece, Center adjustable

　Analyzer

　360° dial rotation Minimum scale reading：0.1°（Vernier scale）

　Conoscopic observation
attachment 

　Switch between orthoscopic and conoscopic observation, Bertrand lens position adjustable

　Optical Compensator

　First-order red plate, Guarter-wave plate, Quartz wedge

　Polarizing Rotatable
Stage

　Diameter Φ170mm, Center adjustment, 360° scale, Minimum division 1°, Minimum reading 6' by means of vernier scale, 45° Click stop knob

　Attachable Stage

　Moving range 30mmX40mm

　Condenser

　Strain-free swing condenser NA0.9/0.25

　Focusing

　Coaxial coarse & fine adjustment, Range 32mm, Fine division 0.001mm, Coarse stroke 37.7mm per
rotation, Fine stroke 0.1mm per rotation

　Polarizer

　360°rotatable 0°position adjustable

　Illumination

　24V/100W Halogen lamp, Brightness adjustable

　Filter

　Blue filter Φ45mm

　ND6 Neutral density filter Φ45mm

　ND25 Neutral density filter Φ45mm

　Attachment

　Video attachment

　0.01mm Micrometer