SVBONY 1.25" Zoom Eyepiece for Telescope – 7-21mm / 8-24mm / 10-30mm FMC Lens

SVBONY Super-wide Angle 1.25" 8mm-24mm zoom eyepiece. SVBONY super-wide angle 1.25" 10mm-30mm zoom eyepiece. The internal lenses of a parfocal zoom eyepiece move inside the barrel as the focal length is adjusted to keep focus.

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