Quote:
Originally Posted by RickS
They quote a 70mm image circle then only show vignetting and spot diagrams for a 42mm circle  It will need a compact camera anyway.
Back focus is going to be very limited. Shame they don't give us the data in the specs. I doubt it will be possible to fit an OAG but at 620mm focal length a guide scope will be fine if the mirror doesn't slop around.
Will be interesting to see how the results compare to a Hyperstar set up.
Cheers,
Rick. |
Hi Rick,
Yes strange how they don't specify the back focus.
It seems like an alternative to the Hyperstar.
You're right - they don't show the spot diagram at 70mm.
As the premium end of the market has no such beast for sale at below f3
I have to seriously doubt the credibility of this telescope design.
Still - I have an open mind & I'm interested to see the results- one day.
cheers
Allan