Levenhuk 850B 40-2000x magnification binocular head biological microscope

Product description

• Binocular biological microscope model 850B ideal for biochemical, anatomical-pathological, cytological, urological, dermatological, biological and clinical investigations.
• It allows observations using the brightfield method.
• The head is inclined by 30 degrees and can rotate 360 degrees around its axis.
• The rotating revolver allows the position of four objectives to be adjusted.
• It has the classic Kehler illumination system, with field diaphragm and aperture adjustments.
• The focusing mechanism has integrated fine and coarse adjustment knobs.
• Precision focusing is achieved by the vertical movement of the stage relative to the fixed lens.
• The bi-coordinate stage can be moved both vertically and horizontally.
  • The stage dimensions are 140x155 mm.
• The microscope's illumination system includes a 6V/20W halogen lamp with smooth brightness adjustment.
• The kit includes:
  • Microscope stand with base.
  • Eyepieces: pair, wide field WF10x, WF20x.
  • Mirror.
  • Plan achromatic objectives: 4x, 10x, 40x, 100x (oil immersion).
  • Filters (blue, yellow, green).
  • Immersion oil bottle.
  • AC adapter.
  • Dust cover.
  • User's manual.
• Caution: Refer to the specification table for the appropriate mains voltage and never attempt to connect a 110V device to a 220V power socket, or vice versa, without using a converter.
• Note: Compatible with Levenhuk digital cameras (purchasable separately), these are installed in the eyepiece tube, in the place that the eyepiece would occupy.

Technical Data:

• The optics material is glass.
• The diameter of the eyepiece tube is 23.2 mm.
• It has wide field of view eyepieces WF 10x and WFH20x.
• The revolving eyepiece is for four objectives.
• The stage is 140x155 mm.
• The stage range is 55/75 mm.
• The condenser is Abbe N.A. 1.25 with premium iris diaphragm.
• Focusing can be fine and coaxial coarse:
  • Coarse is 25 mm.
  • Fine is 0.002 mm.
• The body material is aluminium with halogen illumination.
  • Type of illumination source is 20 W.
  • The brightness is adjustable.
• The power supply is 220V alternating current.