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: Designed to support both radial and axial loads, these are used in heavy-duty automotive and industrial machinery.

In the amateur astronomy community, particularly on forums like Cloudy Nights , is a specific magnification level achieved by combining eyepieces with Barlow lenses. : Designed to support both radial and axial

: Observers have noted using a 9mm occulting Orthoscopic eyepiece paired with a Barlow lens to reach this power. particularly on forums like Cloudy Nights