Sky Mentor Magnetic Filter Adapter Ring for Seestar S30 - 1.25" - TA621 5mm Eyepieces and the M48 adapter has

and the M48 adapter has a female thread for installing 2" filters

wait a bit

The Celestron CGEM II 700 Maksutov Cassegrain Telescope comes complete with a 2” Visual Back

25" Compatible With: Plössls

Barrel connector plugs into the 12V input jack on the telescope drive base

Sky Mentor Magnetic Filter Adapter Ring for Seestar S30 - 1.25" - TA621 5mm Eyepieces and the M48 adapter hasThe Sky Mentor magnetic filter adapter is designed to add a 1. 25" filter to the Seestar S30. The adapter has 1. 25" threads to accept your filter of choice. Once the filter has been attached, the adapter magnetically attaches over the objective lens. You can also get this magnetic filter adapter as part of a five piece accessory set for the Seestar S30! Note: Remember to remove the adapter ring filter from the telescope before allowing it to close.