If you are attaching a ToupTek camera to an Astroasis imaging train (consisting of an Oasis OAG, filter wheel and tilt adjuster), you will need this 4mm extension to get a 55mm back focus.
The extender features grooves on both sides, allowing O-rings to be used for light-leak protection between the extender, the OAG body, and the filter wheel.
4mm/5mm Extender
$49.00
Available to order
$49.00
Available to order
If you are attaching a ToupTek camera to an Astroasis imaging train (consisting of an Oasis OAG, filter wheel and tilt adjuster), you will need this 4mm extension to get a 55mm back focus.
The extender features grooves on both sides, allowing O-rings to be used for light-leak protection between the extender, the OAG body, and the filter wheel.
4mm/5mm Extender
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