My Account  |   View Cart

National Cordless

	131-LED : 131-LED - National 131-LED Series Cordless Microscope The microscope model that sets the standard for high school instruction, now with the freedom of battery operated cordless illumination. Includes all the most commonly specified features. Rugged metal construction, locked-on parts. Superior DIN optical system and precision mechanical components assure parfocalled and parcentered optical alignment for sharp, unsurpassed viewing. Utilizes disposable batteries for bright, cool illumination from long-life LED bulbs.   Widefield 10x eyepiece with revolving pointer. 45° inclined viewing head rotates 360° for easy repositioning of eyepiece and sharing by more than one student. DIN 4x, 10x, and 40xR, objectives are achromatic, parfocalled, parcentered, and color coded. 3-hole nosepiece is ball-bearing mounted for more precise alignment, and has positive click stops. LED light rated up to 50,000 hours life, illumination equal to a 20 watt tungsten bulb. 150 hours of use from 3 standard AA alkaline batteries. Easy-access battery compartment. Rack & pinion coarse focus with tension adjustment, slip clutch, separate fine focus. Stage moves up or down, eyepiece and body remain fixed. Slip clutch prevents damage to focusing system. Tension adjustment eliminates stage drift. Safety rack stop prevents damage to slides and objective lenses 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 Rugged cast metal, gray enamel finish. Height 360mm (14-1/8 in.) Net wt. 3.1 kgs (6.8 lbs) Lifetime limited warranty, excluding bulb and batteries. ITEM NO. BATTERY TYPE MSRP 131-LED Regular 259.00 131-RLED Rechargeable 269.00 Item No.: 131-LED ($259.00) 131-RLED ($269.00) Quantity: Request A Quote

	158-LED : 158-LED - National 158-LED Series Cordless Microscope A new standard of precision optics, highly engineered mechanics and very rugged construction, all at little more cost than a budget microscope.  Objective turret (nosepiece) is in reverse position to permit easier changing and positioning of specimen slides. College grade objective lenses. Cordless LED illumination system provides optimum image brightness, completely heat free. 100,000-hour rated LED life.  Widefield 10x eyepieces with pointer.  Accepts optional #965-160 eyepiece reticle. 45° inclined binocular viewing head rotates 360° for easy sharing by more than one student. DIN standard 4x (0.10 N.A.), 10x (0.25 N.A.), 40xR (0.65 N.A.) and 100xR (1,25 N.A.) objectives are achromatic, parfocalled, parcentered and color-coded. Quad objective turret, reverse position, ball-bearing mounted for smooth, precise magnification changes. LED light rated up to 50,000 hours life, illumination equal to a 20 watt tungsten bulb, totally heat free. Rechargeable AA nickel metal hydride batteries can be recharged up to 500 times, each 8 hour charge providing up too 50 hours operation, total of 20-25,000 hours use from each set of 3. Included recharger shuts off when batteries are fully charged, indicator light turns from red to green. Eliminates danger of overcharging and shortening battery life, and the need of expensive recharger stations. Microscope can be used during recharging, or recharger can remain plugged in for conventional use.  Rheostat light intensity control.  Coaxial low position coarse and fine focusing controls. Stage moves up or down, eyepiece and body remain fixed. Safety rack stop prevents damage to slides and objective lenses. Large 135mm x 135mm (5-1/4 in. x 5-1/4 in.) stage, with professional quality, low profile mechanical specimen holder, low-position coaxial x-y controls. 1.25 N.A. Abbe condenser with rack and Pinion focusing mount, iris diaphragm, swing-out filter holder, with built in neutral filter Rugged cast metal, gray enamel finish.  Height 360mm (14-1/8 in.) Net wt. 3.1 kgs (6.8 lbs)     Instruction manual and dustcover Limited lifetime warranty, excludes, LED, batteries, and recharger     MSRP $715.00 Price: $715.00 Quantity: Request A Quote

	452TBL-10-LED : 452TBL-10-LED - National Cordless 452 Series Stereo Microscope All the quality features and versatility of larger stereo microscopes, in a compact size only 12" tall. Ideal size for elementary and middle school, rugged enough for high school. Upright, unreversed image is designed for three-dimensional objects and dissecting. Choose low magnification for a wide field of view, then high magnification for close-up detail. Paired widefield 10x eyepieces, left-side diopter adjustment, interpupillary adjustment from 55mm to 75mm. Eyepieces equipped with reticle holder/retainer to accept reticle with 23mm O.D. Paired objectives are parfocalled, parcentered, achromatic. Magnification changed by rotating objective turret 90 degrees, to positive click stops. Fixed head. 4-position light control: top only, bottom only, top and bottom, off. Top light (incidental) and bottom light (transmitted) cordless LED illumination. 8 hour charge provides up to 50 hours of use.Rack and pinion focus with slip clutch design Rack & pinion focusing with slip clutch and tension adjustment. Supplied with two 80mm stage plates, one frosted glass and one plastic black/white reversible contrast. Two locked-on stage clips. Glass and reversible black and white stage plate Rugged cast metal frame, gray enamel finish. Height: 310mm (12-1/4 in.) Base width: 115mm (4-1/2 in.), Base depth: 197mm (7-3/4 in.) Net wt. 2.5 kgs (5.5 lbs) Manual and dustcover Five year warranty, excludes bulbs, cord, and fuse ITEM NO. MAGNIFICATION MSRP 452TBL-10-LED 10x and 30x 289.00 453TBL-10-LED 20x and 40x 289.00 Item No.: 452TBL-10-LED ($289.00) 453TBL-10-LED ($289.00) Quantity: Request A Quote

Our Store Policies | Copyright © 2013 Benz Microscope Optics Center, Inc. | Site by Media Fusion Technologies, Inc.