
270mm is suitable for Astromaster 130, 130MD & 90mm with CG3 mount. Diameter is approx 13mm.
We can also supply the 220mm version for the CG3 - eg Astromaster 130EQ 90 EQ
270mm is suitable for Astromaster 130, 130MD & 90mm with CG3 mount. Diameter is approx 13mm.
We can also supply the 220mm version for the CG3 - eg Astromaster 130EQ 90 EQ