Barlow for a 13 ethos ?

[GrahamL]

anyone have any experiance or focus issues ?

cheers

[JethroB76]

I use my Ethos 13 in both a 2" Meade 2x Tele-extender (basically a Meade Powermate) and also the popular 2" Antares 1.6 - no problems here.
I think its probably had a run in another 2x Orion barlow before with no issues