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Kipon adapter => internal reflections?
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ChrisR
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Joined: 14 Mar 2009
Posts: 7345
Location: Near London, UK

PostPosted: Sat Dec 09, 2017 5:54 am    Post subject: Reply with quote

I don't know of problems with Protostar but others will have more experience of it.
It would be interesting to try a ring of various things, to see if it makes any difference - even white/reflective to see what effect.
I have a couple of microscopes which I was surprised to find have chromium plated surfaces inside the tube.
I lined it with ordinary black art paper - probably much the same as Ray's "Construction paper" which made a small difference. Protostar is darker, but it made no further improvement.

I've had mixed experience of the need for flocking in tubes and adapters.
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ray_parkhurst



Joined: 20 Nov 2010
Posts: 1104
Location: Santa Clara, CA, USA

PostPosted: Sat Dec 09, 2017 8:17 am    Post subject: Reply with quote

Another simple option is gaffer's tape:

https://www.ebay.com/itm/1-Floor-Stage-Show-Audio-Cloth-Gaff-Gaffer-Black-Gaffers-Tape-180-60-yd/292226353238?hash=item440a0c4856:g:PcEAAOSwx2dYIEAe
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