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4 off GSO 1.25" 25mm extension tubes (Price reduced)
GSO 1.25" male/female extension tubes 25mm long. 4 available.
These are flocked inside to eliminate reflections.
Commonly used with GSO f0.5 focal reducer and with staranalysers (SA100 or SA200) to increase separation.
$5 each plus postage or pick up in Oberon NSW.
Al.
Last edited by sheeny; 19-05-2023 at 04:05 PM.
Reason: Sold 1
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