Body:Aluminum die-casting metal frame, Protective covering Optical System Infi nity optical system Illumination System: Built-in transmitted illumination system, LED Power Consumption 0.5 W (nominal values)Focusing Stage height movement (coarse movement stroke: 15 mm), coarse adjustment limit stopper,Torque adjustment for coarse adjustment knob, Fine focus knob (minimum adjustment gradations: 2.5 μm)Revolving Nosepiece Fixed quadruple nosepiece Stage Wire movement mechanical fi xed stageTraveling range: 76 mm (X) x 30 mm (Y), Specimen holder, Specimen position scale Observation Tube 30º inclined binocular tube Interpupillary distance adjustment range: 48 – 75 mm, Eye point adjustment: 370.0 – 432.9 mm Objectives Plan achromat, anti-fungus4x NA: 0.10 W.D.: 27.8 mm10x NA: 0.25 W.D.: 8.0 mm40x NA: 0.65 W.D.: 0.6 mm100xOil NA: 1.25 W.D.: 0.13 mm (CX23LEDRFS1 only)Eyepiece (10x) Field Number (FN): 20 (anti-fungus)Optional Accessories Refl ection mirror (CH20-MM), 15x eyepiece (WHSZ15X-H: FN 12, anti-fungus), Dedicated wooden case, Eyepiece micrometer,Darkfi eld stop (CH2-DS+CH2-FH)Weight Approx. 5.9 kgRated Voltage/Electric Current AC 100–240 V 50/60 Hz 0.4 APower Consumption Less than 2 W