Duratech 90° Eyepiece for Theodolite The Duratech 90° Eyepiece is a convenient optical accessory designed to improve viewing comfort when using a theodolite in steep or high-angle measurement applications. By redirecting the line of sight at a right angle, this eyepiece reduces operator strain and allows for more ergonomic observation in challenging field positions. Ideal for surveying and construction layout tasks involving vertical angles or elevated targets, this accessory helps maintain accuracy while improving usability in confined spaces or awkward setups. Its durable construction is built to withstand regular field use and integrates easily with compatible Duratech theodolites. Key Features • 90° viewing angle – improves comfort for high-angle and vertical observations • Reduces neck and eye strain during extended use • Simple attachment for quick installation and removal • Durable construction for reliable field performance • Compatible with Duratech theodolites