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SWA 20mm Telescope eyepieces
Product Detailed
SWA 20mm Telescope eyepieces:Super wide angle,high index glasses,Fully broadband multi-coating.
SWA 20mm Telescope eyepieces:
Prod. Code :BGWA20
Focal Length(mm) :20
Lens Structure(#Element/#Groups) :5/4
Apparent Field of view :70°
Eye Relief(mm) :16
Barrel(in) 11/4
Field stop(mm):25.0
FEATURES of SWA 20mm Telescope eyepieces:
Super wide angle 70 degrees, high index glasses. Super sharp, high contrast & excellent aberration correction, extremely high resolution. Fold-down rubber eyecups, filter threads, blackened lens edges, anti-reflection threads for maximum contrast, upper barrels are black anodized aluminum with a rubber grip ring. Fully broadband multi-coating.
