So, - Both the new AT2" Diagonal and the Q70 2" 26mm Eyepiece arrived. I tested the 2" diagonal last night when weather was very good, and seems to perform very good. Used only my 80mm F5.6/448FL Master Birder and MK24-8mm zoom. Powers from 18+ to 56X. Trapezium very sharp and clear. Today, - only daytime test, as very cloudy w/rain. The Q70 seems to give a "little" wider view than my TV32mm Plossl, but is a little less sharp at edges. The 32mm seems to open slightly wider with the 2"diagonal and 1 1/4" reducer, than thru the WO 1 1/4" diagonal alone. It stays sharp throughout. Both of course are better than the BaaderMK-IV zoom, on afov. I'm thinking the fov increase will be even more apparent when Q70 is used with AT102/F7/714mmfl. and when used with my C8 at F10/2000. So probably my easy use toolbag will be the 2"diagonal/Q70-26 for wide search/alignment etc. and MK-IV zoom for quick power changes, as both can be used in 2" mode, without putting in 1 1/4" adapter. Looking forward for clear skies again. I just checked, and don't think the 2"AT diagonal will work with my C8, unless there is a screw on adapter, - But I have an old Meade 2" Sct. diagonal that is of lesser quality than my new AT 2", but still good, - if I want to use the Q70 for that scope. I bought the AT 2" basically to open up the AT102mm a bit more, to get All of Pleiades, and maybe on stuff like M31, and scanning, so I will see how it plays.
Edited by Thomas Marshall, 08 April 2020 - 09:40 PM.