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, providing a comfortable viewing angle that significantly reduces neck and eye strain during extended survey sessions. The adapter seamlessly integrates with your theodolite's optical system through a secure quick-mount design, maintaining perfect alignment for accurate measurements. Constructed from durable metal and plastic components, this 8-ounce adapter ensures reliable performance in various field conditions. The distinctive yellow and gray finish makes it easily identifiable in your equipment kit. Perfect for situations where direct line-of-sight viewing is impractical, this adapter proves invaluable for surveyors working in challenging positions or confined spaces. The manual operation ensures straightforward use while maintaining the precision required for professional surveying applications.