Description Description Generic White Binocular Microscope with Focus Block, Stand and 2x-4x Objective Eyepiece tube measure 30mm in diameter by 22mm deep Focus block allows 50mm of vertical travel Focus block's head mounting ring measures 84mm in diameter Vertical mounting post measures 16cm tall Base plate measures 9.25 x 6.25 Illumination port on base measures OD: 95mm, ID: 83mm Light reflection mirror rotates 360 View AllClose