Alstar Zoom Eyepiece 1.25 Inch 8 to 24mm Telescope Zoom Eyepiece, 7 Element 4 Group Multi-Coated Optics & 40 Degree-60 Degree Wide Angle View & 15-

Alstar Zoom Eyepiece 1.25 Inch 8 to 24mm Telescope Zoom Eyepiece, 7 Element 4 Group Multi-Coated Optics & 40 Degree-60 Degree Wide Angle View & 15-

Seamless 8-24mm Stepless Zoom for Versatile Celestial Viewing: Easily adjust magnification from 8mm to 24mm with a smooth twist of the zoom housing; This all-in-one eyepiece replaces multiple fixed focal length eyepieces; making it perfect for observing lunar details; planetary clusters; and deep-sky nebulae; Enjoy continuous; precise zoom control for both astronomical and terrestrial viewing without interrupting your session Comfortable 15-18mm Eye Relief with Foldable Eyecup for All Users: Designed with 15-18mm eye relief and foldable rubber eyecups to accommodate eyeglass wearers and block stray light; Whether you use glasses or not; this design ensures a clear; wide field of view at a comfortable distance; allowing for extended observation sessions without eye strain or external light interference Advanced 7-Element Multi-Coated Optical System for Superior Clarity: Equipped with a premium 7-element; 4-group optical design fully multi-coated with anti-reflection layers; This high-index system delivers sharp; high-contrast views with enhanced brightness; Blackened lens edges and anti-reflective threading minimize stray light; ensuring vivid observations and astrophotography results Wide 40°-60° Apparent Field of View in Durable Construction: Experience an expansive 40° to 60° apparent field of view; ideal for tracking planetary and deep-sky objects with ease; The eyepiece features a robust all-metal body with a knurled rubber grip for secure handling; ensuring durability and stability during use in various observing conditions Universal 1.25 Inch Compatibility with Filter Threads for Flexibility: This standard 1.25-inch threaded eyepiece fits most telescopes accepting 1.25" accessories; The barrel includes filter threads for adding moon filters or other astronomical filters; enhancing versatility; A cost-effective solution replacing multiple eyepieces while delivering professional-grade performance for amateur astronomers There are a number of things that you will thoroughly enjoy as an owner of this "Alstar 1.25" 8-24mm Zoom Eyepiece" which is specifically designed for both visual and photographic use. This high quality 8 to 24mm range zoom eyepiece comes well equipped to suit the demands and ease of use of the amateur astronomer. Equipped with a generous 40° to 60° field of view and a non-click stop adjustment mechanism, this eyepiece allows smooth transitioning between focal lengths, ensuring that the observer can find the perfect combination of field of view and magnification that the target object and seeing conditions will allow. Eyeglass wearers will also find that this eyepiece’s long 15mm to 18mm eye relief combined with a flip down rubber eye guard ensures that even they can easily take advantage of the many benefits provided by this eyepiece’s high quality multi-coated optics and zoom capability. The single feature that sets this zoom eyepiece above all others is its unique adaptability for eyepiece projection photography. The eyepiece is threaded at the top for a T-adapter (standard M42x0.75 male thread) and at the bottom for 1.25” filters (standard M28.5x0.6 female thread), enabling owners of any T-thread mountable camera to photograph the planets, the moon and high powered terrestrial targets at broad range of focal lengths! In addition to your D/SLR camera, you will require a T-ring for your camera (not included) to use this feature. Featuring a multi-coated optical design, this eyepiece will be providing high contrast views and unparalleled ease of use whether it be for photography or visual observing, for years to come.