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Overview
Nikon ECLIPSE Ei Binocular Set
The Nikon ECLIPSE Ei Binocular Set is a compact, lightweight upright microscope designed primarily for educational settings. Its intuitive interface features clear color-coded controls and visual guides, making it especially accessible for students new to microscopy. Built for portability, the Ei’s body is around 30% lighter than earlier halogen models, with integrated cable management and a rotatable tube to simplify storage. Optical performance is driven by Nikon’s CFI Infinity system and long-life white LED illumination, which, together with a fly-eye lens, ensures uniformly bright illumination and minimal heat. Dual-sided coarse and fine focus knobs provide ergonomic operation, and a vertical stopper prevents over-focusing, protecting slides and objectives. Overall, this microscope bridges ease of use with strong imaging quality, making it ideal for classroom discovery and routine lab work.
Nikon ECLIPSE Ei Trinocular Set
The Nikon ECLIPSE Ei Trinocular Set retains all the user‑friendly design and optical strengths of the binocular version but adds a dedicated camera port for digital imaging. The trinocular head includes a built-in 0.55× relay lens, enabling real-time image sharing or capture without disrupting eyepiece viewing. This makes the Ei Trinocular especially suited for teaching labs, documentation of student observations, or remote learning applications. Like its binocular counterpart, it features a durable yet lightweight body, intuitive controls, and uniform LED illumination — now paired with imaging flexibility.
Specifications
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Optical System
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CFI Infinity Optical System
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Illumination
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High-luminance white LED
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Supports a 45 mm diameter filter
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Eyepieces (Field of View, F.O.V.)
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Diopter-adjustable eyepieces:
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EC‑E CFI 10×, 20 mm
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E2‑CFI 15×, 12 mm (optional)
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Focusing Mechanism
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Coaxial coarse and fine focus knobs (on both sides)
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Cross-roller guide for smooth motion
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Focusing stroke: +2 mm (up), –13 mm (down)
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Coarse focus: ~ 37.7 mm per rotation
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Fine focus: ~ 0.2 mm per rotation
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Torque-adjustment ring on the coarse focus knob
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Stage vertical movement stopper to prevent over-focusing
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Viewing Tubes
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Binocular set: EC‑T‑TB tube, inclination 30°, pupillary distance 50–75 mm, two-stage eyepoint height
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Trinocular set: EC‑T‑TF tube, 50/50 split between eyepiece and camera port, inclination 25°, pupillary distance 50–75 mm, two-stage eyepoint height
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Revolving Nosepiece
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Reversed‑type quadruple (4‑position) nosepiece built into the microscope body
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Stage
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Rectangular mechanical stage (integrated)
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Specimen holder included, with vernier calibration
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Travel range: 76 mm (X) × 30 mm (Y)
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Objectives (Typical / Optional)
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CFI BE2 Plan Achromat 4× — NA = 0.10, W.D. = 25 mm
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CFI BE2 Plan Achromat 10× — NA = 0.25, W.D. = 6.7 mm
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CFI BE2 Plan Achromat 20× — NA = 0.40, W.D. = 3.7 mm (optional)
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CFI BE2 Plan Achromat 40× — NA = 0.65, W.D. = 0.6 mm
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CFI BE2 Plan Achromat 60× — NA = 0.80, W.D. = 0.25 mm (optional)
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CFI BE2 Plan Achromat 100× Oil — NA = 1.25, W.D. = 0.14 mm (optional)
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Condenser
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Abbe condenser, NA range: 0.10 – 1.25
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Aperture diaphragm has color‑coded guide markings that match objective magnifications
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Observation Method
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Brightfield only
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Fungus-Proofing
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Antifungal paint applied around the optical path to inhibit mold growth
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Optional Accessories
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Object marker
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Eyepiece pointer
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45 mm diameter filter
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Objective micrometer for calibration
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Power Supply & Consumption
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Supplied AC adaptor: input 100–240 V AC, output 5.0 V DC (3.0 A max)
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Maximum power consumption ~ 4 WWeight
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Binocular set: ~ 5.2 kg
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Trinocular set: ~ 5.5 kg
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You can find complete, updated details on the manufacturer’s website:
[Visit Nikon official product page]
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Product information sourced from Nikon Microscopes. All trademarks are the property of their respective owners.
