Threaded for standard 1.25 inch astronomy filters and barlow lens
4 element plossl design has a approx 42 degree AFOV; perfect for broad field lunar observations and medium-sized star clusters and a wide range of cloudy nebulas and deep-sky targets
Fold down rubber eyeguard Threaded for standard 1.25 inch astronomy filters; rubber eyecups protect against lateral stray light
For precise focusing: flip mirror makes easy to find exact focus point and also correct position for astrophotography; this small black box has a moveable flip mirror which shunts light path 90 degree upwards; alternatively lets it pass through unhindered
Always sharp: If tilt mirror to 45 degree position; object will appear in eyepiece and precisely focus it as usual; helical focuser on flip mirror lets to make eyepiece and camera exactly parfocal; this means elements will be in focus at the same time