SVBONY SV223 90 Degree Diagonal Mirror, 99% Reflective Dielectric Coating 2 Inches with 1.25 Inch Adapter Bundle with SV215 Zoom Eyepiece, 1.25 Inch Zoom Lens, 3mm to 8mm Eyepiece with Parfocal Desig

SVBONY SV223 90 Degree Diagonal Mirror, 99% Reflective Dielectric Coating Erect Image Star Diagonal 2 Inches with 1.25 Inch Adapter, Diagonal Adapter for Astronomical Telescope SVBONY SV215 Zoom Eyepiece, 1.25 Inch Zoom Lens, 3mm to 8mm Eyepiece with Parfocal Design, Telescope Accessory for High Power Lunar and Planetary Observing

• Firm locking; SV223 diagonal mirror has a clicklock locking mechanism; just turn the clicklock to securely fix the accessory; ensuring the eyepiece is installed and used stably; not easy to fall off
• Coating: 99% Reflectivity SV223 diagonal mirror has metal high reflective dielectric coating Surface accuracy: 1/10λ
• High-quality machining out of the aluminum; SV223 star diagonal is composed of High-quality aluminum elements; chic; light and stable; internal antireflection baffling for highest contrast 90 degrees design; SV223 star diagonal has a 90 degrees refraction angle; providing a better observation experience when visually observing
• 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