7–21mm Zoom Telescope Eyepiece | Dark Clear Skies Ca-K Imaging Foam-lined contact points help prevent

Foam-lined contact points help prevent scratches while maintaining a secure grip on both phone and eyepiece

If you are using an Apple iPhone:

B1200 blocking filter in star-diagonal housing

·Optolong L-Pro filter adopts precision coating based on Ion-assisted deposition coating technology for durability and resistance to scratching

the large field of (Dobson) telescopes without tracking means you can take much more time when changing eyepieces

7–21mm Zoom Telescope Eyepiece | Dark Clear Skies Ca-K Imaging Foam-lined contact points help prevent721mm Zoom Telescope Eyepiece This 721mm zoom telescope eyepiece offers flexible magnification in a compact, easy to use design, making it particularly well suited to lunar and planetary observing. The shorter focal length range allows higher magnifications while maintaining the convenience of a single eyepiece. Smooth zoom adjustment enables precise control over magnification, allowing observers to quickly optimise image scale and sharpness as seeing