[Wilso]

Managed to compare my Masuyama and Tak Le eyepieces on Saturday night, both 5 element 3 group eyepieces. Used my Fsq 85ed with the 1.5x extender, no eyepiece had the same fl. Edge performance of the new Masu 10 and 16mm improved greatly off axis at f8 compared to the native f5.4 of the scope. Very happy there, but out of the two I think the extra eye relief, sharpness and large eye lens of the 16mm proved the more immersive eyepiece and easier to use.
Also I was surprised how comfortable the older 20mm Masu is to use without the rubber eye cup, they probably should have continued with the same design with the newer models.