Nikon Eclipse 50i POL Polarizing Microscope
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A compact polarizing microscope that balances optical performance and ease of use
With its small footprint, the Eclipse 50i POL is a basic polarizing microscope that offers powerful microscope optics and comfortable operation in an affordable package. Available in diascopic and episcopic illumination types, the 50i POL features a newly designed illumination system that provides greater brightness than any microscope in its class.
CFI60 Optical System
Nikon’s proprietary CFI60 optics provide high NA and a longer working distance. CFI60 optics deliver bright, high-resolution images. Up to five objective lenses can be mounted.
The Eclipse LV100 POL accommodates a 12V-50W illumination transformer, while the 50i POL requires an external power supply and lamphouse.
| Main Body Optical System | CFI60 infinity objectives |
| Main Body Illumination | 6V-30W halogen lamp; 6V-30W built-in transformer; built-in ND8 filter |
| Main Body Focusing | Coaxial course/fine focus knob; Focus stroke: 30mm; Coarse: 13.8mm per rotation; fine: 0.1mm; Minimum reading: in 1µm increments |
| Eyepiece | 10x (F.O.V. 22mm), CM type with crosshair and micrometer scale |
| Eyepiece Tube | P-TT Trinocular Tube for polarizing microscopy; P-TB Binocular Tube for polarizing microscopy |
| Intermediate Tube | Built-in focusable Bertrand lens removable from optical path; switchable Conoscopic/Orthoscopic observations; built-in Analyzer; Plate/compensator slot |
| Analyzer | 360° rotary dial; Minimum reading at angle 0.1° |
| Nosepiece | Reversed centering quintuple nosepiece (detachable); DIN slot |
| Stage | Ball-bearing rotary stage; Rotatable 360° horizontally; can be fixed at a specific position; Graduated 360° (in 1° increments); Attachable mechanical stage: 35x25mm travel; vernier 0.1mm |
| Condenser | Dedicated strain-free swing-out type; P Achromat N.A. 0.9 |
| Polarizer | No scale |
| Objectives | CFI P Achromat 4x, 10x, 20x, 40x, 100x; CFI LU Plan Fluor Epi P 5x, 10, 20x, 50x, 100x |
| Episcopic Illuminator | LV-UEPI Universal Epi Illuminator* |
| Compensators | Standard 1/4 Lambda and tint plate, quartz wedge or Sernamont compensator can be inserted into intermediate tube slot |
| Power Consumption | 0.9A/48W |
| Weight | Approx. 14kg (standard binocular set) |
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