10X Focusable Plan Eyepieces for 30mm Ocular Ports Designed for 30mm ocular tubes, they offer a large 22mm field of view.Features & Specifications : 10X Magnification PowerPlan Optics with Adjustable-Focus22 mm Extreme Wide Field of View30 mm Mounting Size (in diameter).
Features & Specifications : 10X Magnification PowerPlan Optics with Adjustable-Focus22 mm Extreme Wide Field of View30 mm Mounting Size (in diameter).10X Focusable Plan Eyepieces for 30mm Ocular Ports Designed for 30mm ocular tubes, they offer a large 22mm field of view. They also fit most common size microscopes including Leica, Nikon and Olympus.