Features：

NP-800RF

NP-800TRF

Optical System

Infinite optical system

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Viewing Head

Seidentopf trinocular head inclined at 30°, Interpupilary 48-75mm

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Eyepiece

Plan eyepiece EW10X/22

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Plan eyepiece with scale of crosshair, Plan eyepiece with cross, Plan eyepiece with gridding

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Strain-Free Plan
Achromatic Objective

5X/0.12/∞/-  WD 15.5mm

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10X/0.25/∞/-  WD 10.0mm

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20X/0.4/∞/0  WD 4.30mm

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50X/0.75/∞/0  WD 0.32mm

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100X/0.8/∞/0  WD 2mm

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40X/0.65/∞/0.17  WD 0.54mm

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100X/1.25/∞/0.17  WD 0.13mm

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Nosepiece

Backward quintuple nosepiece, Center adjustable

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Analyzer

360° dial rotation  Minimum scale reading：0.1°（Vernier scale）

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Conoscopic observation
attachment

Switch between orthoscopic and conoscopic observation, Bertrand lens position adjustable

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Optical Compensator

First-order red plate, Guarter-wave plate, Quartz wedge

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Polarizing Rotatable
Stage

Diameter Φ170mm, Center adjustable, 360° scale, Minimum divison 1°, Minimum reading 6 by means of vernier scale ,45° Click stop knob

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Attachable Stage

Moving range 30mmX40mm

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Condenser

Strain-free swing condenser NA0.9/0.25

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Focusing

Coaxial coarse & fine adjustment, Range 32mm, Fine division 0.001mm, Coarse stroke
37.7mm per rotation, Fine stroke 0.1mm per rotation

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Polarizer

Transmitted: 360° Rotatable 0° position adjustable

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反射：固定式   Reflected: Fixed

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Illumination

24V/100W Halogen lamp, Brightness adjustable

Reflected light: 24V/100W Halogen lamp, Brightness adjustable

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Transmitted light: 24V/100W Halogen lamp, Brightness adjustable

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Filter

Blue filter Φ45mm

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ND6 Neutral density filter Φ45mm

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ND25 Neutral density 25 filter Φ45mm

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Blue filter Φ25mm

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ND6 Neutral density filter Φ25mm

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ND25 Neutral density filter Φ25mm

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Attachment

Video attachment

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0.01mm Micrometer

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Note: ●Standard Outfit, ○Optional