RB20 Binocular Lab Microscope

The Fein Optic RB20 binocular high power laboratory biological microscope offers high quality optics at an affordable price point.  View the trinocular version of this microscope here.

• Objective Lenses: Infinity Corrected DIN Plan Achromat 4x, 10x, 40xR, 100xR (oil immersion) objectives. All microscope objectives are parfocalled, parcentered and color-coded. Quad objective turret is ball-bearing mounted for smooth, precise positioning of objectives, features textured rubber knurling for easy grip. Mounted in reverse position to facilitate ease in changing slides.
• Eyepieces: Widefield High Eyepoint Focusing 10x eyepieces / FN 20mm. Binocular Siedentopf viewing head with 30° inclined binocular eyepiece with interpupillary adjustment 47mm to 75mm. Eyepiece can hold a 20mm diameter reticle if reticle retaining ring is added.
• Eyepiece Reticle: Optional eyepiece reticle installed (select when ordering). If dual ruler reticle is selected a dual ruler 0.4" and 10mm reticle will be installed with the following specifications:
  • 0.4" scale numbered 0-40, each division 0.1"
  • 0-10 has 10 divisions = 0.01"
  • 10-20 has 5 divisions = 0.02"
  • 20-40 has 4 divisions = 0.05"
  • 10mm scale numbered 0-1mm
  • 0-1mm has 10 divisions = 0.1mm
  • 1-2mm has 5 divisions = 0.2mm
• Total Magnification: 40x, 100x, 400x, 1000x.
• Specimen Stage: Large 150mm x 140mm stage with professional quality, built-in, low profile, ball-bearing mounted mechanical specimen holder with low-position coaxial controls, 78mm (x) by 50mm (y) movement with graduations of 0.1mm. 1.25 N.A. Abbe condenser has rack & pinion focusing and iris diaphragm.
• Focusing: Coaxial coarse and fine focusing controls, coarse has tension adjustment, fine is graduated. Locking position for stage.
• Illumination: Fixed Koehler illuminator,  3W LED with variable rheostat control and on/off switch.110~240V power supply.
• Cord and Accessory Storage: Storage compartment located on the back of the microscope frame to store power cord and microscope accessories when not in use.
• Size & Weight: 9" W x 15.5" D x 14" H, 17 lbs.
• Warranty: 5 Year warranty, excluding bulb, cord and fuse.
• Includes: Dust Cover, lens cleaning paper.

View the RB20 brochure

View the RB20 manual