Focus Scientific

USED Astro-Tech 100mm (4\") ED Doublet APO Refractor Telescope OTA

Condition: Very good; has some cosmetic blemishes.

Includes mounting rings and Vixen-style dovetail, Moonlight dual-speed focuser, metal red dot finder, and 2" 90° and 45° prism diagonal.

Includes a carry case, but no shipping carton.

Features and Specifications

  • Aperture: 102mm (4")
  • Focal Length: 714mm
  • Focal Ratio: f/7
  • Optical Coatings: Multi-coated
  • Supplied Eyepiece: None
  • Telescope Type: Doublet apochromatic refractor
  • View Finder: Metal red dot finder included (normally not)
  • Diagonals: 2" 90° mirror and 1.25" 45° prism included (normally not)
  • Warranty: 1 year