High Performance Monocular Made in Japan [KM-421]

This is a series of high-performance monoculars that provide high-quality images from ultra-close distances of several tens of centimeters to infinity. They are widely used for appreciating works of art, examining panels at research conferences, inspecting parts, and checking the contents of inaccessible display boards. High-performance lenses are incorporated into a thumb-sized barrel, providing a clear, blur-free field of view. A detachable finger ring is included for easy gripping. With a close focus of 22 cm, it can be used for a variety of purposes.