Mektronic Engg. Co. Manufactures Zero Degree Straight Forward Telescope. Mektronic Engg. Co also manufactures various types of medical and surgical instruments. The Zero Degree Straight Forward Telescope finds an application in Spine Endoscopy. The Zero Degree Straight Forward Telescope has enlarged view and auto-clavable. The Zero Degree Straight Forward Telescope has fiber optic light transmission. The Zero Degree Straight Forward Telescope has diameter of 4mm. The Zero Degree Straight Forward Telescope has working length of 18cm.