Svbony Deluxe SV198 Mini 50mm Guide Scope with Dual Helical Focuser

  • $149.99
    Unit price per 

Delivery: Ships from Svbony warehouse located in Hong Kong. The estimated delivery time is 10 business days. 30 days returns policy. Returns location: Rancho Cordova, California, United States.



  • 50mm aperture; large diameter objective lens collects more light; the target in the field of view is clearer; convenient to find a target in the sky
  • Connect telescope camera; as a guide scope can be used with other accessories to easily achieve automatic star guidance
  • Connect Eyepiece; as a right-angle correct-image optical finder scope (Eyepieces and Prism Diagonal sold separately)
  • Fully multi-coated glass; multi layer broadband anti reflection coating double glue lens; well made edge coating; higher contrast and clearer field of view
  • Fine focusing; double spiral fine focusing and pull out coarse focusing structure; simple structure and convenient operation

Model SV198
Type of Optics Achromat Refractor
Lens Structure 2-Elements/ 1Groups
Tube material Aluminum
Aperture 50mm / 1.97in
Focal ratio f/4.1
Focal Length 206.6mm / 8.13in
Coating Fully multi-coated
Blackened Lens Edges Yes
Focuser Dual Helical + Telescopic Design
Dual Helical Focuser Focusing stroke 11mm
Focusing seat accuracy (Dual Helical Focusing) 0.1mm
Rough Focusing stroke 38mm
Focusing seat accuracy (Rough Focusing) 1mm
Connection thread to Eyepiece 1.25" and T2
Base installation type Vixen standard interface
Tube diameter 55.5mm
Dew cap diameter 58mm
Total Length 223mm
Net Weight 770g / 28.1oz

Customer Reviews

Be the first to write a review

We Also Recommend