All the SkyWatcher Panorama eyepieces reach focus with a SkyWatcher 2" diagonal. The 23mm 2" and the 15mm/7mm 1.25" with the 2"->1.25" adapter. The 1.25" eyepieces at the limit. But my SW 2"->1.25" adapter seems thinner than yours, Ray. Anyway, I'm more interested about imaging with this scope and the "dedicated" flattener for 80ED disappoints me. The stars towards the edges don't look round, unfortunately. I used an M48 -> Canon EF adapter, screwed directly on the flattener.