1. Convert the  trinocular microscope phototube/head/port (have standard ISO 30 mm(1.18 inch) outer diameter for the insertion end to phototube) to traditional C-Mount type(25.4 mm or 1 inch diameter with 32 threads per inch);
2. With different built-in reduction lens (1.2X, 1X, 0.8X, 0.65X, 0.5X, 0.35X) for achieving better field of view from microscope trinocular head(suitable for 4/3” 1”, 2/3”, 1/1.8”, 1/2”, 1/2.5”, 1/3” or 1/4” inch CCD or CMOS sensor chips);
3. Can be installed in UIS trinocular tube such as: PrimoStar series and Primo vert series;
4. Build of material: anodized aluminum;
5. Telecentric optics with low light deficiency;
6. Parfocal with different microscope objective lenses;
7. Diffraction limited MTF;
8. Aperture totally coupled with UIS microscope objective’s exit pupil.