Viewing Head | Siedentopf type binocular head, 30° inclined, eyepiece rotation 360º Interpupillary adjustable distance 50 to 75 mm |
Eyepiece | WF10X/20 mm, WF10X/20 mm (reticle 0.1 mm) |
Nosepiece | Quintuple click stop revolving mechanism with multiple ball bearing |
Condenser | Swing type N.A. 1.25 with iris diaphragm and filter |
Objective | Non-stress infinite plan objective: 4x, 10x, 20x, 40x(s) |
Viewing Head | Polarizing siedentopf trinocular head 30° inclined, eyepiece rotation 360° Interpupillary adjustable distance 48 to 76 mm Light distribution 100:1 (100% for eyepiece) |
Eyepiece | WF10X/20 mm, WF10X/20 mm (reticle 0.1 mm) |
Nosepiece | Quintuple, center adjustable |
Condenser | Swing out type N.A. 0.9/0.13 polarizing unit, (with scale, rotable 3600, can be locked) |
Objective | Non-stress infinite plan objective: 4x, 10x, 20x, 40x(s) Non-stress infinite LWD plan objective: 50x(s) |
Optical System | Finite optical system |
Viewing head | Trinocular viewing head, 30° inclined |
Polarizing Attachment | Polarizer: Sliding in/out of optical path, located on the top of collector Analyzer: Rotatable analyzer with gradation 0°-90° Bertrand lens: Bertrand lens, sliding in/out of optical path Optical Compensator: λ Slip (first class red), 1/4λ Slip, Quartz wedge |
Eyepiece | Eyepiece WF10X/18 with Division eyepiece 10X/18 mm 0.10 mm/div |
Objectives | Strain-free plan achromatic objective (no cover glass) PL 5X/0.12, PL L 10X/0.25, PL L40X/0.60 (spring), PL L 60X/0.75 (spring) |