Oasis Focuser Adapters Size:Adapter for Sharpstar Newtonian the SII filter is carefully

the SII filter is carefully designed to block all light from H-alpha and NII (nitrogen)

UHF: 400-470MHz / VHF: 136-174MHz

you can process your images like the ones from the Hubble Space Telescope

Operating temperature

Fully compatible with M54

Oasis Focuser Adapters Size:Adapter for Sharpstar Newtonian the SII filter is carefullyOasis Focuser Universal Adapter With the universal adapter Oasis Focuser can be installed on many telescopes such as Takahashi FSQ106, TOA130, Epsilon Newtonian, SkyRover 72ED, Sharpstar, Newtonian etc Description For some telescopes Oasis Focuser cannot be installed directly by using a clamp due to the limitation of shape, size, space etc. However with the universal adapter, Oasis Focuser can be installed on the coarse tuning side of most telescope