OK, I've modded the EP adapter.
At first I thought I'd do it by hand with a file and hacksaw, but after the first slip of the file highlighted the risk of damaging the C thread, I figured it was better to get the bench grinder out of the packing and set it up. Much more controllable and quicker.
(Just don't anyone mention to Lyn that I had it clamped to the outdoor table setting to use it
).
I had to grind 4mm off the front of the adapter. The heat from grinding ruined the anodised finish on the node piece obviously
. And I managed to recover the eyepiece thread after much fiddling. It feels a bit rough as a filter screws in but at least it works.
The first image shows the camera fitted to the PST. It goes right in now, but I noticed that the EP locking screw lifts the camera about 0.5mm wen tightened - it must be on the edge of the safety groove.
The other shot shows the modified adapter.
I'd like to slip out and try it out now (the sun is shining
) but I have a book launch to go to this arvo
...
Al.