RINOCULAR OBSERVATION HEADSiedentopf observation head inclined at 30° rotatable at 360°.Diopter adjustment ring on ocular tube. Interpupillary distance from 55mm to 75mm.EYEPIECEWide field Eyepiece 10X (Paired) FOV 18mm.OBJECTIVES(INFINITE)Plan Achromatic 4X Plan Achromatic 10XPlan Achromatic 40X (S L) Plan Achromatic 100X Oil( S L)MECHANICAL BODY a) Co-axial focusing system with PRE-FOCUSING LEVER & TENSION ADJUSTMENT RING The slow motion has 1Div=0.002mm. b) Reverse angle quadruple nosepiece revolves on ball bearing. c) Mechanical stage size 125mmX135mm having low positioned co-axial controls on ball bearing guide ways.d) The transmitted light illumination has 6V-20W halogen lamp with intensity control knob. SUB STAGE CONDENSERAbbe Condenser N.A.1.25 with Iris DiaphragmSTANDARD ACCESSORIES 6V/20W Halogen Tungsten Bulb, Blue & Grey filters, STYRO FOAM Molded Pack