c1975 Brandon-Vernonscope 24 mm Telescope eyepiece 1.25"; The 24mm Vernonscope Brandon eyepiece is designed for nigh-perfect medium power deep sky observing with any telescope type, at focal ratios f/7 and above. Emission nebulas, globular clusters, the more compact open clusters – all are fair game for the tack-sharp high contrast/dark sky background performance of the 24mm Brandon. Effective focal length (EFL): 24mm Apparent field of view (AFOV): 55 degrees, Eye relief: about 19,5mm Field stop diameter: 22mm.

Vintage and original Vernonscope slip-case included.

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