ECLIPSE LV100ND POL/DS

Microscopes for dispersion staining allow for qualitative analysis and identification of asbestos

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Overview

The Nikon Eclipse LV100ND POL/DS is a precision polarizing microscope purpose-built for dispersion staining analysis, making it especially suitable for qualitative and quantitative identification of asbestos fibers. Its CFI60 infinity optical system offers high extinction contrast, enabling detailed observations of birefringence, refractive indices, extinction angles, elongation signs, and pleochroism. Equipped with a robust, high-luminance 50 W halogen illumination system, and a fly-eye lens for uniform light distribution, this microscope ensures stable, bright illumination. The design includes a 360° rotatable, graduated circular stage with fine angular control, a detachable analyzer, and a switchable Bertrand lens (for orthoscopic and conoscopic views) to facilitate advanced polarimetric measurements. With dedicated polarizing and dispersion objectives and slots for compensators, it provides the flexibility and optical rigor required for detailed materials research and regulatory asbestos testing.

Specifications

Optical System
- Nikon CFI60 (infinity-corrected)
Illumination
- 12 V, 50 W halogen lamp (LV-HL50W model)
- Built-in 12 V DC transformer
- Pre-centered lamphouse with rear mirror
- Fly-eye lens for homogenized illuminationRemovable ND8 and NCB11 filters
Focusing
- Coaxial coarse and fine focus knobs
- Focus stroke: 30 mm
- Coarse focus: 14 mm per rotation
- Fine focus: 0.1 mm per rotation
- Minimum reading increment: 1 µm (on fine-focus)
Eyepiece
- 10× magnification, 22 mm field of view
- CM-type eyepiece with crosshair and micrometer scale
- Eyepiece graticule for asbestos measurement
Tube
- P-TT3 trinocular tube designed for polarizing microscopy
- Rotation-limiting protrusion (right side) to prevent eyepiece rotation
Polarizing Intermediate Tube
- Detachable analyzer
- Switchable between orthoscopic and conoscopic observation modes
- Slot for compensator / test plate
- Focusable + centerable Bertrand lens
Analyzer
- 360° rotary dial
- Minimum readable angle: 0.1°
Nosepiece (Revolver)
- Reversed, centering, 5-position nosepiece (detachable)
- Contains DIN-standard compensator slot
Stage
- High-precision circular graduated stage for polarizing use
- 360° horizontal rotation; lockable at any angle
- Graduated at 1° increments, with a subscale for 0.1° readings
- Click-stops every 45° for repeatable alignment
- Optional mechanical stage: 0.1 mm vernier scale
Condenser
- LV-CUD universal dry condenser (NA 0.9) required
- Also compatible with D-C PH1, D-C PH2, and LV-C 2–4× condenser lenses
- Optional “swing-out” condenser P type available
- C-SP simple polarizer, swing-out type (one-touch)
Polarizer
- C-SP simple polarizer, swing-out type (one-touch)
Objectives
- Polarizing objectives: CFI Achromat P 4×, P 10×, LWD P 20×, P 40×, P 100× (oil)
- Dispersion (DS) objectives: CFI Achromat R-DS 10×; CFI Plan Achromat C-DS 10×; CFI Plan Fluor R-DS 40×
Compensators
- P-CL ¼ λ & tint plate
- Quartz-wedge or Sénarmont compensator, both insertable into the intermediate tube slot
Measuring Filter
- IF546/12 retardation filter (diameter Ø45 mm)
Power Consumption

- 1.2 A / 75 W

You can find complete, updated details on the manufacturer’s website:
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