A while back I bought a relatively low cost zoom eyepiece, mostly to use with the Lunt 50 Ha scope that I had then and also for use with my white light setups when combined with the Lunt Herschel Wedge. The eyepiece I bought was identical to the Skywatcher Hyperflex 7.2mm - 21.5mm zoom, except mine was engraved with the branding Orbinar. Here is the Skywatcher version: And here is my version: Personally I think it's likely that this is the same zoom that is sold under the Lun