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Old 07-10-2020, 11:21 AM
Neo - as in Dr Neo Cortex

DRCORTEX is offline
Join Date: Dec 2005
Location: Mt Druitt
Posts: 180
Image Train and 2" Filters - 8" SCT


I have setup the image train shown, which is exactly 105mm with an F/6.3 reducer, and ASI 294MC Pro camera.

I want to connect a 2" Optolong Pro filter, but don't seem to have the correct threads, nor size to add the filter.

Any ideas re what is needed ?


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