iOptron CEM70EC Center Balanced Mount Head with RA High Res Encoder - C704A0 type_mounting_rings If you need to expand

If you need to expand the back focus

and a built in post for the azimuth control

It holds the ETX/Celestron SE  Field Tripod within a soft protective padded interior

and ergonomic features that make it comparable to binoculars costing two to five times as much

ONE-TOUCH SNAPSHOT BUTTON: Capture images directly from the microscope with the press of a button

iOptron CEM70EC Center Balanced Mount Head with RA High Res Encoder - C704A0 type_mounting_rings If you need to expandiOptron CEM70EC Center Balanced Mount Head Center Balanced mount with innovative features This product is the advanced "EC" Model, C704A0 Ideal for both visual observation and astrophotography Maximum payload of 70 lb (31. 8 kg) with the mount weight of 30 lb (13. 6 kg) Easy to use quick lock gear clutches Integrated iPolar electronic polar finder Special High Resolution RA Optical Encoder Periodic encoder error less than 0. 3 arcsecond RMS Real time