Description
Included in this Microscope Set:
National Optical Model 131-RLED Microscope
This National Optical-brand, model 131-RLED cordless/rechargeable microscope is designed to meet or exceed high school teaching requirements, is ruggedly built, and includes all the teaching essentials.
Optical System
- Widefield 10x eyepiece with revolving pointer. Accepts optional #965-160 eyepiece reticle.
- 45° inclined viewing head rotates 360° for easy repositioning of the eyepiece and sharing by more than one student.
- DIN 4x, 10x, and 40xR, objectives are achromatic, parfocalled, parcentered, and color-coded.
- The 3-hole nosepiece is ball-bearing mounted for more precise alignment and has positive click stops.
Illumination
- LED light is rated up to 50,000 hours life, with illumination equal to a 20-watt tungsten bulb.
- Equipped with 3 AA rechargeable NiMH batteries and auto-cutoff charger with LED charge indicator.
- Single 8-hour charge allows up to 50 hours of use.
- Variable on/off light control
Focusing
- Rack & pinion coarse focus with tension adjustment, slip clutch, and separate fine focus.
- Stage moves up or down, eyepiece and body remain fixed.
- Slip clutch prevents damage to the focusing system.
- Tension adjustment eliminates stage drift.
- Safety rack stop prevents damage to slides and objective lenses.
Stage
- Large 110mm x 210 mm stage, with locked-on, spring-mounted stage clips, drilled and tapped to accept optional mechanical stage.
- Built-in 0.65 condenser lens
Frame
- Rugged cast metal, gray enamel finish.
- Height 360mm (14-1/8 in.) Net wt. 3.1 kgs (6.8 lbs)
Complete Slide Set
- Glass Slides and covers (10)
- Concave Slides (2)
- Eyedroppers (4)
- Methylene Blue
- Iodine
- Lens paper
- Microscope Drawing Paper
- Early Development Chick Embryo Booklet
- Plastic slide box
- Prepared slide: Ascaris – Animal Mitosis
- Prepared slide: Onion Root Tip – Mitosis
- Prepared slide: Amoeba Proteus
- Prepared slide: Paramecium
- Prepared slide: Euglena
- Prepared slide: Planarian
- Prepared slide: Spirogyra
- Prepared slide: Hydra budding
- Prepared slide: Diatoms
- Prepared slide: Volvox
- Prepared slide: Zea Mays stem cross-section
- Prepared slide: Zea Mays root cross-section
- Prepared slide: Ranunculus stem cross-section
- Prepared slide: Ranunculus root cross-section
- Prepared slide: Grantia spicules – w.m.
- Prepared slide: Leaf cross-section with vein
Note: Lab equipment, which includes this item, is not eligible for return or refund.
