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National Optical 161 Laboratory Dual-head Microscope buy in Billings
Buy National Optical 161 Laboratory Dual-head Microscope
National Optical 161 Laboratory Dual-head Microscope

National Optical 161 Laboratory Dual-head Microscope

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USA, Billings
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Technical characteristics
  • BrandNational
  • SpecializationMedical
Description
  • 10x widefield eyepieces with18mm exit pupil distanceand a pointer in one eyepiece
  • 360° rotating head with one 30° inclined eyepiece and one vertical eyepeice with diopter
  • 4x (0.10 NA), 10x (0.25 NA), 40xR (0.65NA) and 100xR (1.25 NA) deluxe objectives are DIN achromatic, parcentered, parfocaled, and color coded
  • Also available with optional super-high contrast or plan achromatic objectives
  • 40xR objective is retractable, 100xR objective is oil retractable
  • The reverse position 4-objective turret is ball-bearing mounted for smooth, precise changes in magnification
  • Coaxial fine and coarse focusing with slip clutch to prevent damage to slides or optics
  • Coarse focus has tension adjustment to eliminate stage drift, fine focus is graduated
  • All metal rack and pinion focusing
  • Large 140 x 135mm stage with stage stop and integrated mechanical stage with low-position coaxial x-y controls and 70mm (x) by 50mm (y) movement with graduations of 0.1mm
  • Adjustable 1.25 NA Abbe condenser with rack and pinion focusing and an iris diaphragm for contrast control
  • Swing-out filter holder with clear blue, green, and yellow contrast filters
  • 20-watt, 12-volt extra-bright halogen illumination with a variable rheostat for precise lighting control
  • Special wiring for 220 volt use is available
  • Field of view is 4.5mm at 40x and 0.18mm at 1000x
  • Working distance ranges from 18.5mm at 40x to 0.06mm at 1000x
  • Cast aluminum frame, stands 18" tall
  • Includes operating instructions and a dust cover
  • Replacement light bulb available
  • Lifetime warranty
  • National Optical Model 161.
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National Optical 161 Laboratory Dual-head Microscope
National Optical 161 Laboratory Dual-head Microscope
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