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Old 07-06-2020, 06:14 PM
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Merlin66 (Ken)
Spectroscopy Wizard

Merlin66 is offline
Join Date: Oct 2005
Location: St Leonards, Vic
Posts: 8,441
I use the Hyperion Barlow.
Itís a very good Barlow, which allows T thread connections.
Independent of the zoom, itís a good accessory to have.
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