The National Optical 131-RLED is a student microscope used most commonly in high schools. This model is an excellent choice because of the quality optics and the cool LED illumination that will not harm your specimens. Comparable model is HERE.
- Objective Lenses: DIN 4x, 10x, 40xR objectives are achromatic, parfocalled, parcentered, color coded. 45° inclined viewing head rotates 360° for easy repositioning, sharing by more than one student.
- Eyepieces: Widefield 10x eyepiece with revolving pointer. Accepts optional (#965-160) eyepiece reticle.
- Total Magnification: 40x, 100x, 400x.
- Specimen Stage: Large 110mm x 120mm stage, with locked-on, spring mounted stage clips, drilled and tapped to accept optional mechanical stage. The mechanical stage helps to maneuver slides easier, providing 2 knobs for X-Y control.
- Focusing: Rack & pinion coarse focus with tension adjustment, slip clutch, separate fine focus. Tension adjustment eliminates stage drift. Safety rack stop prevents damage to slides and objective lenses.
- Condenser: 0.65 NA condenser.
- Illumination: LED illumination, LED light rated up to 100,000 hours life, cool burning illumination equal to a 20 watt tungsten bulb. The 131-RLED is a cordless and rechargeable microscope.
- Size & Weight: 14 1/8 " high, 6.8 lbs.
- Warranty: Lifetime limited warranty, excluding LED bulb, batteries.
Want more magnification? This microscope is available with 1000x magnification.