Excellent Optical System: Designed primarily for planetary observation and great for deep sky objects too; aluminum material is used to make it last longer; a cost-effective eyepiece; it is also an excellent choice for birthdays and Christmas gifts
Elaborate Detailed Design: Equipped with an rotated eyepiece barrel and a convertible rubber eyecup for preventing stray light entering from the side; The edges of the lenses are blackened and the internal structure is treated to eliminate stray light
Standard 1.25 Inch Barrel and Thread: Compatible with any telescope equipped with 1.25 inch focuser and the 1.25 inch female thread can also be connected with 1.25 inch telescope filter or other 1.25 inch telescope accessories
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