Sky-Watcher Evostar EDX 100 APO Doublet - S11145 30 mm Binoculars if you are going to

if you are going to use an 2" or 36 mm EFW

Rigorously tested with over 300 benchmarks

Recommended Cameras:  QHY600M

How  two stage adjustment works

the filter can be threaded on both sides so you can stack it with other filters

Sky-Watcher Evostar EDX 100 APO Doublet - S11145 30 mm Binoculars if you are going toSky Watcher Evostar EDX100 APO Doublet Refractor Highlights Limited Edition! Doublet apochromatic optical design Two element, air spaced optical assembly minimizes false color 100mm aperture, 700mm focal length, f 7 focal ratio FPL 53 glass 2. 8 inch dual speed Crayford style focuser Thread on dew shield Aluminum tube coated with glossy, white metal flake finish Included accessories: Tube rings, 2. 8 inch Crayford style focuser, camera angle adjuster,