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Optical Instruments
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Laboratory Microscope Model N870 B

The laboratory microscope N-870 with its outstanding optical and mechanical qualities fulfills the high performance demands on the professional area of application. the N-870 is equipped with high-quality plan objectives of infinite optics and extra broad field eyepieces. The N-870 mades not only a sharp and brilliantes picture possible, but ensures also a very large visual field. The Köhler lighting makes the N-870 for a broad application in different microscopic procedures. The mechanical parts of the N-870 are of high precision and refinement. Its Design is not only modern, but also ergonomically. The N-870 is variously adaptable. With optional accessories it can be used also for dark field microscopy, phase contrast, polarization and fluorescence microscopy.

 
 
 
 
 
 


Characteristics of the model N-870 B as a professional microscope:

  • The infinite plan objectives ensures not only the optical quality but also the expandability of the microscope
  • Extra wide field eyepieces make a very broad visual field possible
  • The condenser is adjustable vertically
  • Specially broad stage for more comfort
  • Vertically lying coaxial control buttons for attitude of slide
  • Highly precise and low-lying ergonomic focus attitude knob
  • The backward nosepiece makes troublefree work possible
  • Adaptable for dark field, phase contrast and fluorescence and simple polarization microscopy

 

Technical data and description of the basic equipment (apply to all versions):

Magnification:

40x bis 1600x

Tube:

Binocular or trinocular tube with diopter adjustment, swivelling around 360 degrees, inclined at 30°. Interpupillary between 48 and 75 mm. Trinocular eyepiece model with connection type for camera adapter.

Nosepiece: Backward quintuple nosepiece
Objectives: High class infinite plan-objectives: 4x0.1, 160/0,17; 10x/0,25 160/0,17; 40x/0,65 160/0,17 (with spring); 100x/1,25 160/0,17(oil, with spring).

Eyepiece:

WP 10x /18 (the field of view 18mm), optional 15x or P16x

Focusing:

Coaxial knobs for achiving coarse-focusing and fine-focusing can be used in two sides. Possibility for adjustment of tension and for blocking up of the adjustment. Coarse focusing range: 30 mm; Fine focusing range: 0,002 mm.

Condenser:

Swing condenser NA 0,9/0,25 with aperture diaphragm.

Stage:

Double layers echanical stage of 185 x 142 mm. Working range: 75 mm x 55 mm. Coaxial knobs for motion in 4 directionsen.

Illumination: Professional Köhlersche lighting (lighting can be centered, equiped with diaphragm and asperical collector). Externally laying illumination Halogen lamp 12 Volt 30 Watt with brightness adjusting; Power: 230 VAC.
Weight and packing: ca. 12 kg. In styrofoam and cardboards box.

Technical spezification for darkfield model:

Objectiv:

Additionally 1 Plan objektiv 100x/1,25 160/0,17(oil, with spring).

Condenser:

Additionally 1 Dark field condenser.


Net Price:

Option I Standard specification, binocular
1289,-EUR
Delivery time: On request.
Option II Standard specification, trinocular
1439,-EUR
Delivery time: On request.
Option III Darkfield specification, trinocular, 50 w lighting
2089,-EUR
Delivery time: On request.
Other specifications
On request.
 

Suitable accessories:

Phasen contrast set
788,-EUR
Delivery time: Deliverable from stock
   
   
     
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