8- 24mm Zoom Eyepiece. This Zoom Eyepieces provide the benefits of a continuous adjustable power for an affordable price. It allows you to find an object at low power, and then zoom in until you reach the desired magnification. The fold-down rubber eyecup provide comfortable viewing for eyeglass wearers. Specification: 1. Brand new & high quality 2. The Zoom eyepiece lets you change magnification power without physically changing eyepieces 3. A twist of the zoom eyepiece housing changes focal length o 8mm to 24mm, providing a variety of viewing magnification powers 4. Eyepiece consists of four elements which are fully multicoated with anti-reflection coatings for clear, high contrast views 5. Exceptionally long eye 15-18mm relief allows eyeglass wearers to enjoy the entire view while still wearing their corrective lenses without vignetting. 6. Field of view: 40-60degrees 7. The 1.25" barrel is threaded for use with any 1.25" eyepiece filters Suitable for: the world of dual use, suitable for astronomical telescope all (31.7mm interface) for viewing objects, scenery and astronomical observation surface of the moon, planets, nebulae, star clusters, diffuse nebula, high brightness, wide field of view, observation is very comfortable; full metal body, the whole surface of multilayer coating, excellent optical performance. Package Include: 1 X 8-24mm 1.25” Zoom Eyepiece 1 X Protection Case 
