Optomech Engineers Pvt. Ltd. Offers Portable Mirror Stereoscope with Carrying Case. Optomech Engineers Pvt. Ltd. Manufactures Precision Optical and Optoelectronic Measuring Instruments, several optical based accessories for CNC and conventional machine tools. The Portable Mirror Stereoscope with Carrying Case has 65mm of Distance between Lenses. The Portable Mirror Stereoscope with Carrying Case has 250 mm of Stereoscopic Base Distance. The Portable Mirror Stereoscope with Carrying Case has Stereoscopic Viewing Area of 100 X 230mm.