Incorporates in innovative optical and structural design idea, facilitating group discussions and consultations by five observers during important meetings, conferences and seminars. Penta Optoa-550, isequipped with five observation head, inclined at 30" for comfortable viewing, including the central Trinocular Head to accept optional Photomicrography and Video Equipment. The built in LED Green Light Pointer, with adjustable brightness can be moved in the field of view during group discussion. Supplied as above with following infinity corrected super plan optics. Eyepiece - WF10x122 (5 pairs). Plan Objective (Infinity corrected) PLp4X, PLp1OX, PLp4OX, PLp100X.