Hi Dobman
Imho, for your F5 dob, any budget type wide angle ep will suffer from loss of performance towards the edge of the fov; and from what I've heard, these QX eps are no exception.
Cheers
Dave
Fwiw, I have just bought a Panoptic 19mm in preference to these Meade eps, even though I could get two QXs for the price of one TeleVue. You get what you pay for, especially in fast 'scopes.
DW
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