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. They also fit most common size microscopes including Leica, Nikon and Olympus.
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.