ZWO M42 Filter Drawer for 2" Mounted Filters - Gen II - FD-M42-II 5X Barlows the FRA600 has a tube

the FRA600 has a tube diameter of 120mm and a retractable dew-shield

Lunt 100mm Ha Etalon Filter w/B1800 for 2" Focuser Features

5" Stainless Steel (5kg)

You don’t need a separate OAG and guide camera

ZWO M42 Filter Drawer for 2" Mounted Filters - Gen II - FD-M42-II 5X Barlows the FRA600 has a tubeProduct Description Independently designed by ZWO with a 21 mm ring configuration, this Filter Drawer is compatible with 2" filters and features M42x0. 75 external camera side thread and M48x0. 75 internal filter end and telescope side thread. With the ability of double strong magnetic absorption, it is more convenient and much easier to install or pull out the filter. There is a lock screw on the side of it. The locking function is helpful on