 10 inch Serrurier truss Newtonian
by Rolf Olsen
|  Conversion of AP400 base to fit on Takahashi tripods
by Pawel Lancucki
|  Lightweight counterweight shaft for AP400
by Pawel Lancucki
|  Better attachment of polar finder to TG-SP mount
by Pawel Lancucki
|  Universal eyepiece shelf
by Pawel Lancucki
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