Enhance your surveying efficiency with this specialized diagonal eye piece adapter designed specifically for the DET-2 theodolite. This precision-engineered accessory measures 6 inches in length and 2 inches in width, featuring a distinctive yellow and gray color scheme. Weighing just 8 ounces, it's constructed from a durable combination of metal and plastic components to ensure long-lasting performance. The adapter's innovative design allows surveyors to view measurements at a comfortable angle, significantly reducing neck and back strain during extended field sessions. The quick-mount system ensures secure attachment to your theodolite's main optical system while maintaining perfect alignment and clarity. This manual operation adapter proves invaluable in situations where direct line-of-sight viewing is impractical or uncomfortable, making it an essential tool for professional surveyors. The thoughtful design maintains optical precision while providing the ergonomic benefits of angled viewing, helping you maintain accuracy and comfort throughout your surveying projects.