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The Flug


The current Feathertouch focuser has a 2" filter thread at the inner end of the drawtube, with a large relief diameter past the thread. In order to fit this focuser, I supply all 2" Blugs with an adapter o-ring which fits on the end of the Blug and acts as a "spacer" so that the Feathertouch focuser threads will engage the Blug retention o-ring. However, for those who will be using the Blug primarily with a Feathertouch focuser I now produce a Blug that will fit the Feathertouch directly without using an adapter. It is called The Flug