TRINOCULAR OBSERVATION HEADSiedntopf observation head inclined at 30o rotable at 360o. Light path selector lever to direct either full light to observation head or 80% to vertical Phototube and 20% to observation tube.Diopter adjustment ring on ocular tube.Interpupillary distance from 48mm to 75mm.EYEPIECEWide field eyepiece 10X (Paired) FOV 22mmOBJECTIVES INFINITY CORRECTEDFluorescence objective 4X Fluorescence objective 40X (SL)Fluorescence objective 10X Fluorescence objective 100X (SL) OilMECHANICAL BODY A) Co-axial focusing system with large knobs, PRE-FOCUSING LEVER & TENSION ADJUSTMENT RING.b) Reverse Angle quadruple nosepiece on ball bearing.c) Mechanical stage is 185mmX142mm.d)The Mechanical stage has low positioned co-axial controls on ball bearing guide ways. LIGHT SOURCEB Excitation (400-490nm) Standard G Excitation (510-550nm) StandardHigh intensity 100W Mercury Vapour Lamp with power supply.1. Transmitted 6V/30W Tungsten Halogen bulb.2. Epi-Fluorescence source :100W High pressure mercury lamp STANDARD ACCESSORIES6V/20W Halogen tungsten bulb. Ground FilterSTYRO FOAM molded pac.<