TRINOCULAR OBSERVATION HEADSiedentopf observation head inclined at 30° rotatable at 360°. Phototube for micro photography.Diopter adjustment ring on ocular tube.Interpupillary distance from 55mm to 75mm.EYEPIECEWide field eyepiece 10X (Paired) FOV 20mmOBJECTIVES INFINITY CORRECTEDM Long Working Distance Plan Achromatic 5XM Long Working Distance Plan Achromatic 10XM Long Working Distance Plan Achromatic 20X M Long Working Distance Plan Achromatic 50X ( S L ) DryMECHANICAL 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 150mmX200mm.d)The Mechanical stage has low positioned co-axial controls on ball bearing guide ways. e)Hand rests on both sides.ILLUMINATORThe Epi illuminator has 6V-20W halogen lamp, adjustable brightness.STANDARD ACCESSORIES6V/20W Halogen tungsten bulb. Blue, Green & Yellow filters. STYRO FOAM molded pack.DGI 330 : DIGITAL CAMERA WITH 0.45X REDUCTION LENSSensor : ½ inch (Micron MT 9 TOO1) Resolution : 2048 X 1536 (3.1 Mega Pixel)Pixel Size : 3.2 X 3.2 microns. White balance : Automatic Color filter : RGB 24 bit.