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Fein Optic – RB20 Laboratory Microscope

The Fein Optic RB20 biological lab microscope was designed for base lab work and basic phase contrast microscopy. 3W LED illumination provides bright and steady light with fixed Koehler illumination. Simple phase contrast is available with a phase slider, phase centering telescope and 40x PH objective lens. Digital cameras can be added for image capture and viewing live images.

Specifications

Optical System Infinity Color Corrected Achromatic Optical System
Viewing Head 30° Inclined Siedentopf trinocular viewing head. Interpupillary distance adjustment from 47mm – 75mm.
Eyepieces PL-WF 10x widefield, plan focusing eyepieces, FN20. Accepts 20mm diameter reticle.
Objectives Plan Achromat 4x, NA 0.10.
Plan Achromat 10x, NA 0.25.
Plan Achromat 40x, NA 0.65, spring loaded.
Plan Achromat 100x oil, NA 1.25, spring loaded.
Nosepiece Revolving Quintuple Nosepiece.
Focus Adjustment Coaxial coarse and fine focusing adjustment with rack and pinion mechanism. Fine focusing scale 0.002mm.
Body Automatic voltage sensing power supply 110v~240v, removable power cord. Microscope frame has storage compartment for power cord.
Stage 150mm x 140mm mechanical stage with low-position controls. Movement range of 76mm x 50mm, precision 0.1mm.
Condenser NA 1.25 fixed Koehler illuminator condenser with slot for phase contrast or darkfield slider.
Illumination 3W LED illuminator with rheostat control, 100V~240V.
Simple Phase Contrast Phase centering telescope, plan phase contrast PH40x, 0.65x objective, phase slider, and phase centering screws.
Filters Microscope accpets 34mm diameter filters.
C-Mount Adapter Focusing 0.35x, focusing 0.5x, focusing 0.65x, 1x.
Reticles Variety of 20mm Ø reticles available including: grid, ruler, cross-line, etc. Metric or inches.

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