The product is the mainstream type in market with excellent performance and high quality. Magnification: Five- ... ,Ø8,Ø5,Ø3,Ø2,Ø1, Ø0.2 Slit Inclination: 5°,10°,15°,20°Filter:heat absorption,grey, redfree,cobalt blue Illumination ... halogen bulb Maximal Illuminance: ≥230000Lx Optional Accessories: Applanation tonometer(R type and T type),measuring eypiece, trihedron lens, gonioscope(single side lens or ...