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F50090 Refractor Telescope with Dual Speed Focuser 90500DS

F50090 Refractor Telescope with Dual Speed Focuser 90500DS



Product Description

The Astronomical Telescope has outstanding optics, high-quality mechanical components. Fitted with achromatic glass for good edge-to-edge viewing, fully multi green coated lens maximize light transmission eliminating false color. The 2 inch Rotatable Crayford Double speed focuser, for smooth operation, great feel and precise adjustability. This is a good telescope provides for astrophotography visual observers or nature watchers. 


  • High contrast and sharp images 
  • Optical Design: Refractor 
  • Caliber: 90mm 
  • Optic Coated: FMC 
  • Focal Length: 500
  • Focal Ratio:F/5.5
  • Eyepiece Barrel Diameter: 2-inch (w/ 1.25 inch adapter) 
  • Dust plug: One 1.25" dust plug included 
  • Focuser: 2 inch Crayford Dual Speed Focuser 
  • Millimeter markings on focuser drawtube: Yes 
  • Rotatable: No 
  • Finderscope: None 
  • Finderscope Bracket: None 
  • Tripod: None 
  • CNC Holding Hoop: Yes 
  • Mount Type: Dovetail Plate 
  • Dovetail Plate Length: 130mm 
  • Color: White + Black 
  • Net Weight: 2.75kg


  1. Never look directly at the sun with naked eye or with a telescope (unless you have the proper solar filter) 
  2. Adult supervision is recommended when it is for use by children ages under 10 years old 

General Notes: 

Avoid exposing the telescope to sudden temperature changes, as this can result in fogging of the objective lens as moisture condenses on it. if this should happen, place the object lens close, but not too close, to a source of heat and wait for the moisture to evaporate

Package Includes

  • 1 x Astronomical Telescope OTA 
  • 1 x 2" Extension Tube 
  • 1 x T-ring for Canon 
  • 1 x Lens Cover 
  • 1 x 1.25"-2" Adapter 
  • 1 x 1.25" Dust Cover 
  • 1 x CNC Holding Hoop w/ Dovetail Plate 130mm 
  • 1 x Black Soft Bag 

1 x User Manual