WA 17mm Telescope eyepieces:Super wide angle,high index glasses,Fully broadband multi-coating.

WA 17mm Telescope eyepieces: 

 

  

 

Prod. Code :BGWA17

Focal Length(mm) :17

Lens Structure(#Element/#Groups) :4/3

Apparent Field of view :65°

Eye Relief(mm) :16

Barrel(in) 11/4

Field stop(mm):19.0

 

FEATURES of WA 17mm Telescope eyepieces:

 Wide angle 65 degrees, high index glasses. Bright and excellent image, little image distortion and excellent colour correction, superior resolving power. 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.