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Zoom Eyepieces
Have noticed some less expensive zoom eyepieces being advertised - eg. SkyWatcher 7 - 21 mm.
Presently I have 2 eyepieces that came with my refractor - a 10 & 20. Went out and bought a 6mm Omni, but find I'm missing ut having to switch between the 10 and 20. Would a zoom lens deliver comparable performence to the same brand fixed eyepiece? Or are these low end - to be avoided?
Regards
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