Item Type: 80mm Focusing Seat <br>Material: ABS, Plastic <br>Weight: Approx. 201g / 7.1oz <br>Eyepiece Interface Size: 3.2cm / 1.25in <br>Focusing Method: Incline Teeth With Manual Focusing<br>1、Fine Tuning: The gear can be fine tuning. The telescope has an 80mm aperture. You can adjust the focal length by the gear. It has a focusing length of 120mm and is compatible with 1.25 inch eyepieces. And fine tuning more accuracy, even at high magnification, ensuring smooth and stable observations. <br>2、Secure Locking Screw: The side is equipped with a locking screw that securely holds the eyepiece in place, ensuring stable and steady observation. <br>3、Internal Anti Reflection Design: The interior of the focusing seat is designed with full threads to minimize reflections and maximize image quality. <br>4、Easy Installation and Operation: Convenient to use, suitable for smooth focusing on reflector telescopes. <br>5、Versatile: Suitable for DIY refractor telescopes. Made of durable ABS plastic material, ensuring a longer lifespan.1 x 80mm Focusing Seat