SVBONY SV191 Zoom Eyepiece for Telescope Bundle with SVBONY SV215 Zoom Eyepiece, 1.25 Inch Zoom Lens

Twist-Up eyecups SV191 7.2-21.6mm zoom eyepiece can meet the needs of most people; including the needs of users who wear glasses. Fully Multi-coated lens SV191 zoom lens optic design increases light transmission, delivers bright, clear, high-contrast images even in low-light conditions.The SV215 zoom eyepiece is designed to provide the good balance of contrast, comfortable eye relief, and resolution for the critical planetary observer, particularly those with ultra-premium short focal length refractors.

• One eyepiece for multiple uses; SV191 7.2-21.6mm zoom eyepiece allows you to change magnification power without swapping out eyepieces
• Parfocal design; changing magnification without refocusing
• 7-Elements 4-Groups lens structure; 7-Elements 4-groups made of high index glass deliver sharp; high contrast vistas
• 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