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I've got a 2" everbrite, WO and GSO. I haven't side-by-sided them to look for minor optical differences but the everbrite is of far superior mechanical construction - it's made from a single block of metal (nose can't unscrew inadvertently), the operation of the thumbscrew/compression ring is smoother and has less tendency to catch on eyepieces, the TV is well blackened vs the shiny interior of the GSO, and the TV has a larger clear aperture than the WO (WO is only 40mm).
I haven't noticed any ghosting from any of the diagonals.
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