William Optics Vixen Style Finder Mounting Bracket (M-FB50-B) Planisphere OIII 496nm&500nm

OIII 496nm&500nm

H-Alpha 3nm filter is the popular narrowband filter allowing 3nm bandwidth of light centered on a wavelength of 656nm through

various commonly-used astronomy software

please take 12

75 and has a built-in 2" filter thread

William Optics Vixen Style Finder Mounting Bracket (M-FB50-B) Planisphere OIII 496nm&500nmStander Finder Scope Mounting Bracket (Vixen Style) Works on GT71, Wostar71 This excellent new quick release 50mm finderscope bracket is easy to use, very convenient and great value. It's a perfect addition to your telescope: no need to waste time mounting the bracket and finderscope every night! Quick Release Quick release mechanism. Teflon 3 Teflon tipped adjustment screws on both rings. Elegant Completely CNC machined, polished aluminum. Perfect