Re: William Optics 80/480 fluorite triplet
In my understanding, the reason why SV has a collimatable adapter at
a focuser is that the focuser is prone to miscollimation of several
moving parts and connections. The lens cell doesn't need any
collimation mechanism if it is properly machined.
--- In William-Optics@yahoogroups.com, "bradgregley10"
> Sorry for th edelay.
> By star test? Meaning looking at the stars through the scope?
> Yes, off centre they were comet shaped.
> It wasn't the tube that wasn't square, it was the focuser. I
> the rotating focuser and the stars became sharp pretty much edgeto
> edge (more or less anyway a lot better).from WO
> I looked at the lens cell and there are no screws on it. David
> answered my query and told me the cell was not collimatible.