Zeiss Trinocular Microscope W/ 4 Neofluar Objectives And Optovar Mag Changer

US $920

  • Austin, Texas, United States
  • Jun 21st
  For sale is a very nice looking (well, also functioning very well) Zeiss trinocular microscope with 4 high quality Neofluar objectives, i.e. 10x, 25x, 40x, and 100x. Its model is Zeiss Standard GFL.  The objectives specs are: Neofluar 10x/0.30, 160/- Neofluar 25x/0.6, 160/0.17 Neofluar 40x/0.75, 160/0.17 Neofluar 100x/1.3, 160/-  oel The condenser with swing-out top lens can achieve highest numerical aperture NA 1.3, which matches the 100x Neofluor NA 1.3 to maximize the performance of the microscope. The eyepieces are a pair of Zeiss Kpl 10x/18. The Optovar magnification changer with 1x, 1.25x, 1.6x and 2x turret can zoom the image after objectives to 12.5x, 16x, and 20x without eyepieces change. There is also a Ph position to facilitate the adjustment of the condenser diaphragm at the objectives back focal plane.  The eyetubes interpupillary distance can be adjusted from 55 to 75mm. Each eyetube has diopter adjustment for stereo focus optimization. The trinocular head makes digital imaging photograph possible. The phototube accepts 23 mm photo eye pieces. A Zeiss C 8X eyepiece is available to optimize imaging performance through the phototube. The letter C means Compensatory to compensate possible aberrations from objective lens. The illumination source is a 6V 15W tungsten lamb powered by an external Zeiss transformer with two 6V outlets. The light intensity can be adjusted by field diaphragm control followed by a couple of accessory lens (one is blue filter) right below the condenser lens.  The surface of the transformer has some painting loss and the rubber feet are taped because of minor stickiness.

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