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211R- LED Cordless Microscope by National Optical

A new standard of precision optics, highly engineered mechanics and very rugged construction, all at a little more cost than a budget microscope. Objective turret (nosepiece) is in reverse position to permit easier changing and positioning of specimen slides. Preferred by teachers, the corded LED illumination system provides optimum image brightness, virtually no bulb heat and has a 10,000-hour rated bulb life.

OPTICAL SYSTEM

  • Widefield 10x eyepiece with pointer. Accepts optional #965-160 eyepiece reticle.
  • 45° inclined monocular 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.) objectives are supplied for 40x, 100x and 400x magnification. All are achromatic, parfocalled, parcentered and color-coded.
  • 4-hole objective turret, reverse position, ball-bearing mounted for smooth, precise changes in magnification.

 

ILLUMINATION

  • 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.
  • Please Note: cannot use standard alkaline batteries.

 

 

FOCUSING

  • Separate low position coarse and fine focusing controls.
  • 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.

 

STAGE

  • Large 135mm x 135mm (5 1/4 in. x 5 1/4 in.) stage, with professional quality, low profile mechanical specimen holder with low-position coaxial x-y controls.
  • 1.25 N.A. Abbe condenser with spiral focusing mount, iris diaphragm, swing-out filter holder, blue filter supplied.

 

FRAME

  • Rugged cast metal, gray enamel finish.
  • Base dimensions:
  • Height: 380mm (15 in.)
  • Net wt. 4.6 kgs (10 lbs).

 

PACKING

  • Molded styrofoam container with instruction brochure and vinyl dustcover.
  • Individual: Ship wt. 7 kgs (15 lbs), Dimensions 550x375x375mm (22x15x15 in.)
  • Master carton pack 2 each: Ship wt. 13.6 kgs (30 lbs), Dimensions 475x375x525mm (19x15x21 in.)

 

MICROSCOPE WARRANTY

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211R- LED Cordless Microscope by National Optical Picture

Product Number Description MSRP 1-9 Units 10+ Units
211R-LED

A new standard of precision optics, highly engineered mechanics and very rugged construction, now in a rechargeable battery microscope.

$503.00 $449.00 $429.00
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