Has anyone tried one of these ??

[spaceboy]

SuperView 30mm 2' digiscopy & visual - M57 adaptation

If so are they any good in fast scopes ??

[Uplooker]

Sorry no, but I would be very interested in what people have to say

Ian

[Mr Spock]

It's a basic Erfle design. It 68° in fast scopes it's likely to have a lot of aberrations - I'd expect only the centre to be sharp.

It may be usable at f10, but for f5 at around 68° you'll need either a Panoptic or LVW - both quite expensive.

[spaceboy]

Thanks Mr Spock.