TRINOCULAR OBSERVATION HEADSiedentopf observation head inclined at 30° rotatable at 360°.Diopter adjustment ring on ocular tube. Interpupillary distance from 55mm to 75mm.EYEPIECES W.F 10X(Paired) FOV 18mm OBJECTIVES(infinity)Fluorescence objective 4X Fluorescence objective 10X Fluorescence objective 40X (SL)Fluorescence objective 100X (SL) OilMECHANICAL BODYa) Co-axial focusing system. PRE-FOCUSING LEVER & TENSION ADJUSTMENT RINGS are available on right and left side respectively.b) The mechanical stage is 180mmX150mm and has co-axial low positioned controls.c) The Built-in-base illumination system incorporates 6V/30W Halogen tungsten bulbSUB STAGE CONDENSER N.A.1.25 Abbe Condenser with iris diaphragm & filter.EXCITATION FILTERSB Excitation (400-490nm) Standard G Excitation(510-550nm) StandardLIGHT SOURCE 1. Transmitted 6V/30W Tungsten Halogen bulb.2. Epi-Fluorescence source :100W High pressure mercury lampGLASS FILTER Blue, GreySTANDARD ACCESSORIES 6V/30W Halogen Bulb(1), MERCURY LAMP 100W(1), FUSE TUBE(3), POWER CORD(1), INSTRUCTION MANUAL (1), DUST COVER(1), POWER SUPPLY FOR MERCURY LAMP(1)