The largest aperture Ultima Waterproof Spotting Scope, the 100 mm offers brighter images 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.
As with all non ED Celestron Ultima refracting spotting scopes (65mm, 80mm, and 100mm), the design of the main objective lens permits the image at all powers to be surprisingly low in chromatic aberration (colour fringing). This one feature alone is remarkable for an achromatic spotting scope at this price, and places the achromatic Ultimas as a benchmark product in this respect.
BBC Sky at Night Magazine awards the Ultima 100mm as group test winner - June 2009 issue
We feel that at such remarkable prices, the waterproof 65mm, 80mm and 100mm achromatic spotting scopes easily represent the premier position in their respective class, and out-perform many of the much more expensive spotting scopes. Indeed, the 80mm achromatic Ultima has already been successful in winning a group test in the BBC Sky at Night magazine.
100 mm Refractor Spotting Scope
Multi-Coated optics
45 degree viewing angle
22-66x zoom eyepiece
Sight tube for quick targeting
Waterproof
Soft carrying case
TECHNICAL SPECIFICATIONS:
OPTICAL DESIGN: Refractor
APERTURE: 100 mm
FOCAL LENGTH: 540 mm
FOCAL RATIO: 5.4
FINDERSCOPE: Sighting tube
ANGLE: 45 degrees
EYEPIECE 1: 8-24 Zoom
MAGNIFICATION 1: 22-66x
CARRYING CASE: Soft Case
ANGULAR FIELD OF VIEW: 1.8 - 1 degree
LINEAR FIELD OF VIEW (@1000 YDS): 95ft @ 22x 53ft @ 66x
EYE RELIEF: 18mm @ 22x
NEAR FOCUS: 33ft @ 23x
OPTICAL COATINGS: Multi-Coated
TRIPOD ADAPTABLE: Yes
CAMERA ADAPTABLE: Built-in T-thread on Eyepiece
OTHER EQUIPMENT: Tripod Balancing Platform
OPTICAL TUBE LENGTH: 482.6 mm
WEIGHT: 72 oz (2041.17 g)
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