Telescope Diagonals
Telescope diagonals are angled mirror or prism accessories that redirect an eyepiece’s view for more comfortable observing with refractors and some reflectors. This category spans budget to mid-range options (about $35–$184, avg $99) and includes brands like SVBONY alongside Astromania and Celestron
Top Products
Astromania 1.25
Astromania
Budget
SV188P Dielectric Mirror Star Diagonal 1.25in 90°
SVBONY
Mid-Range
SVBONY SV188P Dielectric 2" 90° Star Diagonal
SVBONY
Mid-Range
SVBONY SV223 1.25" Dielectric Star Diagonal
SVBONY
Mid-Range
Celestron 2 inch LT Diagonal Mirror for SCT Telescope
Celestron
Premium
SV223 90° Diagonal Mirror with 2 in & 1.25 in adapters
SVBONY
Mid-Range
SVBONY 90 Degree Diagonal Mirror 1.25" Telescope Diagonal
SVBONY
Mid-Range