Kowa Prominar 99mm Fluorite Crystal Spotting Scope (Straight)The Kowa 99mm TSN 99 Prominar Spotting Scope is the evolution of over six decades of Japanese optical design and technology. It utilizes the very best from Kowas optical heritage and benefits from features, technology, and engineering developed by generations of Kowa optical experts. Features Quick focus allows for fast action to bring your subject into detail in just a few smooth revolutions, whilst Fine focus gives pin point, finger tip control