SVBONY SV230 Super Zoom Eyepiece 8-20mm 57°- 72° (W9185A)

SVBONY SV230 Super Zoom Eyepiece 8-20mm 57°- 72°

The SV230 super zoom aspheric eyepiece is featured with clickstop click and Parfocal design, 57°-72° panoramic wide angle provides you with the ultimate observation comfort. It also supports astigmatic corrector connection. Long eye relief of 17-19mm for comfortable viewing position, even for eyeglass wearers.  It can be used during the day and in the night, sky support excellent resolution and contrast values as well as a sharp image at a large apparent field of view. Observing planets with SV230 eyepiece is highly convenient, as it allows for clear and undistorted images without any edge distortion. 

• Universal use during the day and in the night, sky support excellent resolution and contrast values as well as a sharp image at a large apparent field of view.
  
• Parfocal across the entire zoom range. There is almost no need to refocus when changing magnification. 
  
• The wide focal length range allows the use on very many instruments, whether on a compact APO, DOB or fast Newtonian telescopes.
  
• Nine Element (include Aspheric), multi-coated optics for remarkable sharpness, contrast and colour correction.
  
• Smooth zoom action with click-stops at 8, 9,10,11,12,13,14,15,16,17,18, 19 and 24mm.
  
• Wide 72 degrees FOV at 8mm, 57 degrees at 20mm.
  17-19mm eye-relief and adjustable rubber eye-cup for comfortable viewing with or without spectacles. The maximum Ø of 60mm also allows the use of a binocular attachment.
  
• Includes both 1.25” and 2" barrels - threaded for filters.