Search found 4 matches

by Marsman
Thu May 17, 2018 6:26 pm
Forum: Solar Scope Modifications
Topic: PST CaK mod
Replies: 22
Views: 1620

Re: PST CaK mod

Hi TheSkyBurner, now we are getting to the info needed to mod this thing !
So all I need to know is , what are the last filters in the eyepiece holder ?
Do I need to replace them or bin them, remember the one nearest the penta prism is rusted.

Paul
by Marsman
Thu May 10, 2018 8:43 pm
Forum: Solar Scope Modifications
Topic: PST CaK mod
Replies: 22
Views: 1620

Re: PST CaK mod

Hi, the white is tape wrapped around the etalon. The butchered bit was caused by tools to remove the eye piece holder from the focus body ( too much thread lock ).
by Marsman
Sun May 06, 2018 10:32 am
Forum: Solar Scope Modifications
Topic: PST CaK mod
Replies: 22
Views: 1620

Re: PST CaK mod

Hi Bob
This photo shows the filters in the optical train.
I have no parts that fit these threads , I guess a 2" barlow tube after the etalon would allow for the Baader filters to be fitted but I dont know what adapter to fit on the front to connect to a larger scope.
by Marsman
Sun Apr 29, 2018 8:17 pm
Forum: Solar Scope Modifications
Topic: PST CaK mod
Replies: 22
Views: 1620

PST CaK mod

Hi all, I have a Coronado CaK PSt. The 5mm blocking filter in the eye piece holder is rusted. I want to do a mod to turn the etalon into a single unit to fit a f7 90mm refactor thus removing the penta prism. My questions are 1. what filters do I need to replace the 5mm blocker, (Baader 1.25" Calcium...