I would choose neither. My choice would be either the 30mm or 35mm Celestron Ultima.
Having owned the Ultimas, the TV Plossl, and the UO Konig, I can say that the Ultimas have a slightly wider FOV and are indeed sharper across the field. This will be especially so in your f/9 scope.
Dave
Having owned the Ultimas, the TV Plossl, and the UO Konig, I can say that the Ultimas have a slightly wider FOV and are indeed sharper across the field. This will be especially so in your f/9 scope.
Dave