Celestron Ultima 22-66x, 100mm (52252)
$449.99
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Celestron Ultima 22-66x, 100mm (52252)
$449.99
100mm Aperture
50 Percent Brighter Low Light
22-66x Magnification
Versatile Zoom Eyepiece Included
Waterproof Design
Nitrogen Purged All Weather
45 Degree Angle
Comfortable Extended Viewing Ergonomics
Multi Coated Lenses
Maximum Light Transmission Clarity
BaK-4 Glass
High Contrast Prism Optics
Unmatched Low Light ClarityBright High Magnification Field Viewing
The Celestron Ultima 100mm - 45° Spotting Scope offers exceptional low-light viewing performance thanks to its massive 100mm aperture objective lens. Featuring multi-coated optics and an integrated 22-66x zoom eyepiece, this high-performance spotting scope delivers crisp contrast for long-distance observation and nature watching. Built for rugged outdoor environments, its durable waterproof housing ensures clear views in any weather conditions.
Precision Long Range OpticsEngineered for Wildlife Observing and Spotting
Designed to deliver maximum image brightness and sharp resolution, the Celestron Ultima 100mm - 45° Spotting Scope stands out as the ultimate refractor instrument for wildlife monitoring, long-range target shooting, and casual astronomy. Premium BaK-4 prism glass combined with fully multi-coated lenses maximizes optical transmission, providing high contrast images even during twilight hours. The comfortable 45-degree eyepiece viewing angle allows for easy extended viewing sessions, while the built-in sight tube assists in rapid subject targeting. Protected by a green rubberized shell, this outdoor refractor spotting scope is completely nitrogen-purged and waterproof to prevent internal lens fogging. Complete with a soft view-through carrying case and camera T-adapter compatibility, the Celestron Ultima 100mm provides authoritative optical quality for serious nature enthusiasts.
Optical SpecificationsTechnical Details and Build Parameters
Magnification
22 - 66x
Objective Lens Diameter
100mm (3.93") (circle)
Eyepiece Focal Length
8mm - 24mm (.31" - .94") (eye)
Angular Field of View
1.8° - 1.0°
Linear Field of View (@1000 yds)
94 ft @ 22x / 52 ft @ 66x
Focal Length
540mm (21.26") (ruler)
Exit Pupil
4.5mm - 1.5mm
Eye Relief
18mm (.71") (eye)
Close Focus
33 ft / 10 m
Lens Coatings
Fully Multi-Coated
Prism Glass
BaK-4 FMC
Environmental Protection
Waterproof & Nitrogen Filled
Tripod Adaptable
Yes
Camera Adaptable
Yes via integrated T-Adapter
Dimensions
540mm x 110mm x 180mm / 21.3" x 4.3" x 7.1"
Weight
72 oz / 2041 g
Carrying Case
Soft view-through padded nylon
Key Optical FeaturesAdvanced Performance and Structural Design
100mm Refractor ObjectiveDelivers 50 percent brighter images than 80mm optics
22-66x Zoom EyepieceSmooth magnification adjustment for detailed long-range targets
45° Angled EyepieceErgonomic setup ideal for ground viewing or tripod mounting
Fully Multi-Coated OpticsMaximizes optical throughput for sharp high-contrast clarity
BaK-4 Glass PrismsHigh quality optical glass provides rich color fidelity
Waterproof & FogproofNitrogen purging prevents internal fogging in wet conditions
Integrated Sight TubeQuick alignment feature helps locate distant subjects rapidly
Camera Adaptable EyepieceBuilt-in T-adapter thread ready for digiscoping attachments
Frequently Asked QuestionsEverything you need to know
Is the Celestron Ultima 100mm - 45° Spotting Scope fully waterproof?
Yes, the Celestron Ultima 100mm - 45° Spotting Scope features a completely waterproof housing that is nitrogen-purged to prevent internal lens fogging in harsh weather.
Can I attach a DSLR or mirrorless camera to the Celestron Ultima 100mm - 45° Spotting Scope?
Yes, the included zoom eyepiece on the Celestron Ultima 100mm - 45° Spotting Scope has a built-in T-adapter thread, allowing camera connection with a camera-specific T-ring.
Does the Celestron Ultima 100mm - 45° Spotting Scope include a tripod?
No, a tripod is not included with the Celestron Ultima 100mm - 45° Spotting Scope, though it features a standard mounting plate compatible with standard photographic tripods.
Why choose the Celestron Ultima 100mm - 45° Spotting Scope over smaller 80mm models?
The 100mm objective lens on the Celestron Ultima 100mm - 45° Spotting Scope gathers over 50% more light than an 80mm model, providing significantly clearer, brighter images in low-light environments.
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