Polarizing Microscope China Microscope G1200 Binocular Ore With Binocular Microscope Geology Stage: 130mm graduated rotatable stage 360 degree in steps of 5 degree, stage locking facility Radical Advanced Professional Polarizing Microscope w Centrable Nosepiece & Rotary Stage, Full Quater 1-4Lambda Compensator Plates, Bertrand Lens LED Light & 5Mp USB PC Camera Compensator: mica: 1/4th wavelength, gypsum: full wavelength Features Head: Binocular Inclined at 45 Degrees Rotatable 360 degrees With slots for Retarding plates & Sliding Bertrand Lens Stage: 130mm Graduated Rotatable Stage 360 Degree in steps of 5 Degree, Stage Locking Facility Compensator: Mica: 1/4th Wavelength, Gypsum: Full Wavelength Objectives: STRAIN FREE P4x, P10x, P40x Spring Loaded Eyepiece WF 10x , 10x Cross, 10x Micro Head: binocular inclined at 45 degrees rotatable 360 degrees with slots for retarding plates & sliding bertrand lens Radical Radical Advanced Professional Reflected & Transmitted Eyepiece wf 10x , 10x cross, 10x micro