Polarizing Microscopes
ECLIPSE LV100N POL
The highest level of optical quality, operability and stability for polarizing microscopy
Diascopic illumination type
The newly developed high-intensity 50W halogen light source is brighter than a conventional 100W halogen lamp. Low power consumption means less heat generation, thereby reducing the chance of heat-induced focus drift.
Brightness is not determined by wattage. Nikon's new light source achieves greater brightness by optimizing the lamp filament size and improving pupil illumination fulfillment by optically expanding the size of the light source. This has resulted in a 50W light source that is brighter than a 100W lamp–about 40% brighter with diascopic illumination*.
Nikon's unique fly-eye lens employed in the diascopic illumination optics ensure uniform brightness throughout the visual field - perfect for digital imaging.
Conception of "fly-eye" optics
The stage is large sized, pre-adjusted, and click-stops in 45° increments. The smooth stage movement allows stable and easy rotation, providing high operability and high-quality polarized images.
Because the stage is supported from the bottom near the optical axis and incorporates steel cross roller guides, it offers excellent stability and durability.
Nosepiece comes with a DIN standard compensator slot to accept various compensators for advanced quantitative measurements. All five objectives are centerable.
The intermediate tube incorporates a Bertrand lens as standard, enabling both the observation and capture of conoscopic and orthoscopic images. The Bertrand lens is focusable and centerable. The high precision slider-type analyzer is rotatable for a full 360°.
The industry-acclaimed infinity optics - the CFI60 system -successfully deliver long working distances and high NA and produce tack-sharp aberration-free images.
The episcopic objectives use eco-glass that is totally free of environmentally harmful substances such as lead and arsenic.
CFI P Achromat objective series
(for diascopic illumination)
CFI TU Plan Fluor EPI P objective series (for episcopic illumination)
Diascopic/Episcopic illumination type
Both diascopic and episcopic polarizing observations are possible by mounting the LV-UEPI-N universal epi-illuminator. Switching the illumination technique is a simple operation. The epi-illuminator uses the same lamphouse as the diascopic illuminator using the 12V-50W lamp as standard, which provides brighter illumination than a conventional 100W lamp. With an optional universal-type nosepiece and DIC accessories including objectives, episcopic differential interference contrast (DIC) microscopy is also possible.
| Main body | Optical system | CFI60 infinity |
|---|---|---|
| Illumination | 12V-50W halogen lamp; 12V-50W DC transformer built-in; Diascopic/episcopic illumination changeover switch; Fly-eye lens; NCB11, ND8 filters built-in; 12V-100W type optional | |
| Focusing | Coaxial coarse/fine focus knob; Focus stroke: 30mm; Coarse: 14mm 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-TT3 Trinocular Tube for polarizing microscopy; P-TB2 Binocular Tube for polarizing microscopy | |
| Intermediate tube | Built-in focusable Bertrand lens removable from optical path; Conoscopic/Orthoscopic observations switchable; Analyzer built-in; Plate/compensator slot | |
| Analyzer | 360° rotary dial; Minimum reading angle 0.1° | |
| Nosepiece | Centering quintuple nosepiece (detachable); DIN slot | |
| Stage | Top-grade dedicated circular graduated stage Rotatable 360° horizontally; can be fixed at a specific position; Graduated 360° (in 1° increments); Click stops each 45°; Attachable mechanical stage: 35 x 25 mm travel; vernier 0.1mm | |
| Condenser | Dedicated strain-free swing-out type; P Achromat N.A. 0.9 | |
| Polalizer | Fixed to the bottom of the condenser holder; Scale | |
| Objectives | CFI P Achromat 4x, 10x, 20x, 40x, 100x CFI TU Plan Fluor Epi P 5x, 10x, 20x, 50x,100x | |
| Episcopic illuminator | LV-UEPI-N Universal Epi-illuminator* | |
| Compensators | Standard 1/4 λ & tint plate, quartz wedge or Senarmont compensator can be inserted into intermediate tube slot | |
| Power consumption | 1.2A/75W | |
| Weight | Approx. 17kg (standard trinocular set) | |
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