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National Optical 169 Trinocular Microscope

National Optical 168 Microcopes
SKU:169
Regular Price: $1,108.00
On Sale For: $945.00
The National Optical 169 trinocular high power compound microscope incorporates a wide range of features designed for university and laboratory use. Superb optical clarity and reliable mechanical engineering assure years of top performance. Choose from four grades of objective lenses: Standard semi-plan achromatic lenses deliver excellent clarity and normal flatness of field; ASC high contrast deliver extra image contrast; Plan achromatic for superior clarity and flatness of field; Phase contrast objectives are used when viewing certain cells.

  • Objective Lenses: DIN 4x, 10x, 40xR, 100xR (oil immersion) objectives - choose from achromatic, super high contrast, plan or phase contrast. The phase contrast objectives include a phase condenser and phase centering telescope. You may want to view our objective lens information page. All microscope objectives are parfocalled, parcentered and color-coded. Trinocular viewing head with 30° inclined binocular eyepieces with dual diopters and interpupillary adjustment 54mm to 76mm, and vertical monocular tube with third eyepiece, rotates 360°. Vertical tube removes to permit mounting included c-mount adapter. 3-position sliding rod directs light 100% to binocular eyepieces, or 100% to vertical tube, or 70% to vertical tube and 30% to binocular eyepieces. Quad objective turret is ball-bearing mounted for smooth, precise positioning of objectives, features textured rubber knurling for easy grip. Mounted in reverse position to facilitate ease in changing slides.
  • Eyepieces: Widefield 10x eyepiece with revolving pointer, supplied in both diagonal and vertical viewing tubes.
  • Total Magnification: 40x, 100x, 400x, 1000x.
  • Specimen Stage: Large 140mm x 135mm stage (5.5" x 5.25"), with professional quality, built-in, low profile, ball-bearing mounted mechanical specimen holder with low-position coaxial controls, 70mm (x) by 50mm (y) movement with graduations of 0.1mm. 1.25 N.A. Abbe condenser has rack & pinion focusing, iris diaphragm, swing-out filter holder with clear blue, green and yellow filters supplied.
  • Focusing: Coaxial coarse and fine focusing controls, coarse has tension adjustment, fine is graduated.
  • Illumination: 3w LED with variable rheostat control and on/off switch.110V~220V external auto-switching power supply. CE certified.
  • Size & Weight: 7.25" x 9.25" x 16.5" high, 15.8 lbs.
  • Warranty: Lifetime limited warranty, excluding bulb, cord and fuse.


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