For Brandon Eyepiece we have a term and definition in Telescope.

Brandon Eyepiece (Telescope)

A specific eyepiece design. Brandon is a "house brand" of Vernonscope, and is applied to a variety of products, including a well-established line of eyepieces that are generally known as just "Brandons". Several of the short to medium focal-length Brandon eyepieces are advertised as orthoscopics, yet they appear upon disassembly to resemble Plossls. (There are in fact several eyepiece designs that are properly labeled "orthoscopic": Brandons likely are one of the less common ones.) They have moderately wide apparent fields of view, of about 45 degrees.

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