This series has a professional Koehler illumination unit with an adjustable field diaphragm, with infinity optical system. A variety of modular systems, such as a swing-out condenser, various eyepieces, objectives, color filters, phase contrast units, a dark field condenser, a simple polarising unit, butterfly tube, through to complete fluorescence units are optionally available. A C-mount adapter is required to connect a camera (optional).

• Trinocular
• Tube 30° inclined, 360° rotatable
• Eyepiece: HWF 10x/20 mm (OBN 147: WF 10x/20 mm)
• Diopter adjustment: both-sided
• Quintuple nosepiece
• Objective quality: Infinity Plan
• Coaxial pre-and fine focussing
• Models with 20W halogen or 3W LED illumination
• Dust Cover, eyepiece rubber caps and manual instruction included

• Centering and height-adjustable 1.25 Abbe condenser with adjustable aperture diaphragm
• Including blue color filter (OBN 132)