Celestron Ultima 100 Straight

The largest aperture scope in the Ultima line, the 100 mm Ultima offers more than 50% brighter images than the 80 mm, 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.

 

Magnification: 22 - 66x
Objective Lens Diameter: 100mm (3.93")
Eyepieces: 8mm - 24mm (.31" - .94")
Angular Field of View: 1.8° - 1.0°
Linear Field of View (@1000 yds) / @1000 m): 94 ft (28.6 m) @ 22x| 52 ft (15.8 m) @ 66x
Focal Length: 540mm (21.26")
Exit Pupil: 4.5mm - 1.5mm (.17" - .06")
Eye Relief: 18mm (.71")
Close Focus: 33 ft (10 m)
Twilight Factor: 82.1 - 47.4
Relative Brightness: 19.7 - 2.2
Lens Coatings: Fully Multi-coated
Prism Glass (Type): BaK-4
Prism Coatings: FMC
Weight: 72 oz (2041 g)
Environmental Protection: Waterproof
Nitrogen Filled: Yes
Tripod Adaptable: Yes
Carrying Case: Padded green woven nylon view-through
Camera Adaptable: Yes
Dimensions: 540mm x 110mm x 180mm (21.3" x 4.3" x 7.1")

Included Accessories: Extend plate | Zoom eye piece with integrated T-adapter | Carrying case| Eyepiece lens cap| Eyepiece port cover | Eyepiece carrying case| Eyepiece pouch| Lens cloth| Instrument manual