| Viewing head | Binocular Viewing Tube, Interpupillary distance 52 to 75 mm, 45°inclined, dioptre adjustable |
| Optical System | Infinite Optical System |
| Light distribution | 6 V 30 W Halogen Lamp House 6 V 30 W Osram Halogen Bulb Electrics for 6 V 30 W Halogen 250V/3.15 A Φ5 × 20 Fuse |
| Eyepiece | WF10X/20 mm Plan Eyepiece, High eye-point up to 21 mm Centering Telescope |
| Viewing head | Trinocular Head Inclined at 30°, Interpupillary distance: 48 to 75 mm |
| Optical system | Infinite Optical System |
| Light distribution | Halogen Lamp 6 V/ 30 W |
| Eyepiece | High-point, Extra Wide Field Eyepiece EW10×/ 22 |
| Viewing Head | Siedentopf type binocular head, 30° inclined, eyepiece rotation 360º<br/>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 |
| 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<br/> Analyzer: Rotatable analyzer with gradation 0°-90°<br/> Bertrand lens: Bertrand lens, sliding in/out of optical path<br/> 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 |
| Viewing Head | Polarizing siedentopf trinocular head 30° inclined, eyepiece rotation 360°<br/>Interpupillary adjustable distance 48 to 76 mm<br/>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) |
| Viewing head | Trinocular head inclined at 30°, interpupillary distance 48 to 75 mm |
| Eyepiece | High-point, Extra wide field eyepiece EW10X/ 22 mm |
| Objectives | Long working distance (LWD) infinite plan objective: 4X/ 0.1, WD 18 mm<br/> Long working distance (LWD) infinite plan objective: 40X/ 0.6, WD 2.6 mm<br/> Infinite plan phase objective: PH10X/ 0.25, WD 10 mm <br/> Infinite plan phase objective: PH20X/ 0.4, WD 5.1 mm |
| Nosepiece | Backward Quintuple nosepiece |
| Viewing head | Seidentopf binocular viewing head, inclined at 45°, 360° rotation, interpupillary distance adjustable 48 to 75 mm |
| Eyepiece | Wide field eyepiece WF10X/ 22 mm, Eyepiece tube diameter: 30 mm |
| Objectives | Infinite plan achromatic objective |
| Nosepiece | Backward Quintuple nosepiece |
| Viewing head | Siedentopf type trinouclar head , inclined at 45°, interpupillary distance 52 to 75 mm, diopter adjustment |
| Eyepiece | WF10X/20, high eye-point up to 21 mm<br/> Reticule eyepiece: CROSSWF10X/20, high eye-point up to 21 mm |
| Objectives | Plan Achromatic 10X/0.25 WD=9.67 mm<br/> Plan Achromatic 20X/0.40 WD=7.97 mm<br/> Plan Achromatic 40X/0.60 WD=3.76 mm<br/> Plan achromatic positive phase contrast 20X/0.40 WD=7.97 mm |
| Nosepiece | Quintuple, inward facing |
| Optical System | Infinity color correct optical system |
| Viewing Head | 45˚ inclined trinocular viewing head, 360˚ rotatable interpupillary distance 50 to 75 mm, binocular trinocular 100:0 or 0:100 |
| Eyepiece | High eye point wide field plan eyepiece PL10X 22 mm, with adjustable diopter, reticle attachable |
| Objective | Long working distance plan achromatic metallurgical objectives 5X, 10X, 20X, 50X, 100X |
| Optical System | Finite Optical System |
| Viewing head | Siedentopf binocular head, inclined at 30°<br/> eyepiece tube rotation 360° |
| Eyepiece | Wide field eyepiece WF 10X / 18 mm |
| Stage | Double layer mechanical stage: 142 × 132 mm<br/> Moving range: 75 × 50 mm |
| Optical System | Finite Optical System |
| Viewing head | Siedentopf binocular head, inclined at 30°<br/> eyepiece tube rotation 360° |
| Eyepiece | Wide field eyepiece WF 10X / 18 mm |
| Stage | Double layer mechanical stage: 110 × 125 mm |
| Optical System | Finite Optical System |
| Viewing head | Siedentopf binocular head, interpupillary distance range 48 - 75 mm, eyepiece tube rotation 360º |
| Eyepiece | WF 10X / 18 mm |
| Type of Objective | Achromatic objective 4x, 10x, 40x(s), 100x(s,oil) |