Enhance your optical instrument experience with this professional-grade diagonal eye piece adapter. Featuring a robust blue-gray metal housing with yellow accents, this precision-engineered adapter measures 6 inches in length and 2.5 inches in width, weighing just 1 pound. The adapter's sophisticated design incorporates a quick-mount system with a secure locking mechanism, ensuring stable and accurate measurements during use. Perfect for levels and surveying equipment, this adapter enables comfortable viewing angles when working in challenging positions. The high-quality glass elements maintain exceptional image clarity and accuracy during angle adjustments, while the durable metal and plastic construction guarantees long-lasting performance in professional settings. The manual operation mode provides complete control over your viewing experience, and the included mounting hardware ensures proper installation. This adapter represents the ideal solution for professionals requiring precise and reliable optical instrument accessories.