Leica GZ6 Binocular Microscope Head 0.67x - 4.0x Zoom

Leica GZ6 Binocular Microscope Head 0.67x - 4.0x Zoom Eyepiece tubes measure 30mm in diameter by appx. 35mm deep Head zoom magnification 0.67x - 4.0x Objective port measures appx. 49mm in diameter Unit is missing a back internal and external cover plate, however, unit functions as intended