Svbony SV215 1.25" 3-8mm Planetary Zoom Eyepiece

Delivery: Ships from Svbony warehouse located in Hong Kong. The estimated delivery time is 10 business days. 30 days returns policy. Returns location: Rancho Cordova, California, United States.

Features: 

• SV215 zoom eyepiece is a good assistant for you to observe and take pictures of the planets; it is a good helper for the amateur astronomers to observe Venus; Mars; Jupiter; Saturn and so on
• Adjustable focal length; SV215 3 mm to 8mm zoom eyepiece equivalent to multiple eyepieces; SV215 eyepiece is much better than the kit eyepieces; this helps you to zoom in and out rather than changing lens
• Parfocal across the entire zoom range; minor tweaking may be necessary; you do not need to refocus every time you change the focal length
• Constant field of view and eye relief; the apparent field of view and the usable eye relief to stay the same as the focal length changes
• Click and stops design; there are clicks and stops as you pass through the marked zoom levels; easy to use even in the dark
• Zoom ring moves smoothly; the zoom is smooth and gradual as you twist the eyepiece; it is very hand-friendly
• 6-element of 4-group lens structure; fully multi-coated optics for remarkable sharpness; contrast and color correction