While I can not speak to the fit of the larger telescope cases, the one for the ETX-90 provides a nice snug and secure home for this telescope. See the photo below on the right for the loaded case. The ETX-90 case measures 10x11x18-inches (outside; my measurements); while it ...
as described on myETX-90EC Commentspage (near the bottom). Unlike the first failure, I suspect that this failure was caused by the weight of a 35mm camera that was mounted piggyback on the Optical