Optika 25 Biological Trinocular

The Optika 25 Biological Trinocular Microscope is ideal for educational and laboratory microscope for routine applications. With a dye-cast frame, with high stability and ergonomic, for transmitted light observation.

Technical Specification



Light source type X-LED with white LED; light intensity control using a knob on right side of the frame.

LED power 3W, comparable to an halogen bulb 30-35 W.

Colour temperature: 6300°K

LED average life time approx. 50.000.

The light exit can be used as a filter holder for additional filters (blue, yellow, frosted).

Voltage: 110/230Vac, 50/60Hz, 0,4/0,8A; Fuse: F2A 250V

Max power required: 7W

Observation Modes

Bright Field


Coaxial coarse and fine focusing mechanism (graduated, 0.002 mm) with upper stop, to prevent the contact between objective and specimen.

Adjustable tension of coarse focusing knob.


Double layer with mechanical sliding stage, size 160 x142mm, X-Y movement range 76x52, specimen holder for two slides.

Vernier scale on the two axes, accuracy 0,1 mm.


Quadruple revolving nosepiece, rotation on ball bearings.


Trinocular observation head, inclined 30° and rotatable 360°. Diopter adjustment on both eyepieces. Interpupillary adjustment 55-75 mm.


Wide field eyepieces with field number 20.


Achromatic objectives with mechanical tube length 160 mm, made by following objectives:

-) Achromatic 4X, A.N. 0.10, W.D. 37,5 mm

-) Achromatic 10X, A.N. 0.25, W.D. 3,26 mm

-) Achromatic 40X, A.N. 0.65, W.D. 0,63 mm

-) Achromatic 100X, A.N. 1,25, W.D. 0,2 mm (oil immersion)

All objectives are treated with an anti-fungus treatment.


Abbe condenser, A.N. 1,25 with centering system


HEIGHT: 445 mm (without attachment) / 520 mm (with attachment)

WIDTH: 205 mm

DEPTH: 375 mm

WEIGHT: 4 kg


Instruction manual and dust cover included


This Optika 25 Biological Trinocular Microscope is available for hire/rent for your clinical trial or is available on a purchase basis. They can be ordered with any other clinical trial, medical or laboratory equipment to create the most effective equipment management solution for your study.