Products // Spotting Scopes

Celestron Ultima 100


The largest aperture scope in the Ultima line, the 100 mm Ultima offers more than 50% brighter images than the 80mm, allowing for better performance in low light conditions. The 100 mm refractor features excellent multi-coated optics packed into a portable and durable refractor design and comes standard with a 22-66x zoom eyepiece.

  • This series was designed to perform well in a range of viewing situations, making it a great all-around optical instrument.
  • You’ll love it for observing nature and long distance spotting and since it is completely waterproof you can feel comfortable using it in extreme weather.
  • The green rubber optical tube allows for subtle observation in any nature environment.
  • Ultima spotters are a great companion for any nature or outdoor enthusiast.
  • Soft carrying case included.
  • Use the optional T-Ring adaptor to attach your DSLR camera and shoot through the scope
  • Specifications:
    Objective Lens Diameter 100 mm
    Linear Field of View (@1000 yds) 94 ft – 52 ft / 31 m – 17 m
    Magnification 22 – 66x
    Angular Field of View 1.8-1°
    Optical Coatings Multi-Coated
    Close Focus 33 ft / 10 m
    Exit Pupil 4.5 mm – 1.5 mm
    Eye Relief 18 mm
    Weight (oz) 72 oz (2041 g)
    Accepts filters No
    Camera Adaptable Yes
    Waterproof Yes
    Nitrogen Filled (Fogproof) Yes

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