Stellarvue 5 mm M42 Extension Tube
Stellarvue 42mm Extension Tube - 5mm Long
This Stellarvue 42mm Extension Tube is 5 mm, or 0.196", deep, and can be used to add length to your imaging set-up. Stellarvue extension tubes come in a variety of lengths and are stackable so that you can achieve proper focus with different imaging accessories, such as focal reducers, off-axis guiders, cameras, etc.
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