Quote:
Originally Posted by peter_4059
Cheers Robin - I have the Universal Paracorr (not the visual paracorr) - it comes with the Televue IS system and this presents a T thread for connection to the camera.
I've looked up the spacing dimensions but wondered what elements people have installed in the imaging train - ie do you replace the QHY nosepiece/filter with the paracorr + spacers or do you leave the filter installed? I'm interested to know if the combination of the paracorr and filter cause any reflection problems.
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The spacing is the same as the Baader MPCC. There are reflections with the MPCC if you keep the glass nosepiece in the optical path. So my recommendation would be to take the nose piece off and replace it by a null adaptor which is a 13mm spacer. But try with it first. Might get lucky.