The Microscope Eyepiece 90 Degree Parts H25mm is a specialized attachment for microscopes that allows for a 90-degree viewing angle, providing a more comfortable and ergonomic view for extended periods of time. This particular eyepiece has a lens distance of 25mm, making it compatible with a range of microscope models. Designed for precision and clarity, this accessory is essential for professionals in the healthcare, lab, and dental industries who rely on high-quality optics for their work.