Janak Positioning and Surveying System Pvt. Ltd. Manufactures Micro Optic Theodolite with Telescope, model J2-2. The Micro Optic Theodolite with Telescope is safe for mining survey. The Micro Optic Theodolite with Telescope has 2" high angle measurement accuracy. This Micro Optic Theodolite with Telescope provides quick and error-free digital reading. The other features of the Micro Optic Theodolite with Telescope are as follows: