The Konus Diamond 20x-40x Microscope is a Stereoscopic microscope with binocular head set at a 45° incline, It has a 10x eyepiece, and two achromatic objective lenses of 2x and 4x magnification. The microscope offers Inter-pupillary distance regulation, dioptrical adjustement (+/-5 diopter) and precision focusing regulation. Furthermore the Diamond 20x-40x microscope incorporates double regulable illumination with both incidental and transmitted light using a halogen bulb with transparent and double specimen-holder discs.