S8323 can be equipped with 2-inch filter M48 to M42

S8323 can have built-in filters

M48 * 0.75 internal thread

42 * 0.75 external thread

Extension: 37.5mm

Suitable for QHY and ZWO astronomical cameras, M42 internal thread cameras, rear intercept: 17.5mm rear intercept camera

Link M48 external thread, rear intercept 55mm flat field mirror, defocused flat field mirror and MPCC

55mm-17.5mm=37.5mm