• Binocular/Trinocular Head Binocular tube inclined at 45° for comfortable viewing and rotatable through 360°. • Eye Piece High Eyepoint WF 10X with diopter adjustment of both eyepieces. • Zoom Ratio 0.7 : 4.5. • Magnification Range : 7x to 45x • Working distance 80 mm. regardless of magnification. • Rack and Pinion focusing system. Image remains clear, sharp and accurate throughout the whole zoom range. • Interpupillary distance adjustment from 55mm to 75 mm. • Halogen 6 Volt 20 Watt & 12 Volt 20 Watt • Switching power supply 220v 50Hz • Packed in thermocole box. • Supply with Dust Cover for safety.