TL:DR version "Has anyone tried the Agena SWA 10mm, 15mm, or 20mm eyepieces? I'd be using them at f/10+, so I assume they'll be fine?"
Since my first views with my WO binoviewer, I've been working on optimizing the setup. The current system is:
CPC1100 to a 20mm SCT/T2 flange to the Baader 1.25" prism diagonal to the binoviewer nosepiece.
I've ordered the ultra short (2.5mm optical length) SCT/T2 flange and a lock ring as well as the RAF camera T2/WO adapter to eliminate the binoviewer nosepiece length. I believe this will be as short as I can get the optical path, which will result in the least amount of added spherical aberration. (I think?)
What I want to do now is optimize my eyepiece setup. I've currently got two full sets of Celestron Plossl eyepieces (for my classroom outreach), along with barlows and filters. I also have the 20mm 66° WO eyepieces. I'm most interested in the moderately widefield views that the 66° eyepieces show. I believe they are potentially just the 70° SWAN eyepieces, marked specifically for use with this binoviewer.
I'm not interested in the Baader zoom primarily because of the reduced AFOV at the wide end. That, and they are pretty expensive. Oh, and because it's not terribly taxing to just swap a couple of eyepieces.
What looks nice to me are the Agena Astro SWA eyepieces. They have 10mm, 15mm, and 20mm versions. I imagine the 20mm is very similar to the WO eyepieces, and if the others are comparable, I think I'll be happy with these. Has anybody used these, alone or with BV? Thoughts?
Are the WO 20mm 66° EP's the same as the Agena 20mm SWA?