Ultima Series spotters perform extremely well under all light conditions which makes them ideal for all types of outdoor viewing

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Use Celestron Ultima 20X50mm Porro Binocular for viewing in low light with 50mm objective lens, 20x high power magnification, fully multi coated Ba K-4 prism lenses, non-slip grip, synthetic rubber ergonomic body with adaptable tripod, rubber eye cups & glasses friendly & comes with a limited lifetime warranty. ...

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Celestron's Ultima 100 ED spotting scope offers 50% brighter images than the 80mm, allowing for better performance in low light conditions. Like the Ultima 80ED, the 100 mm version is a high performance model that features cutting edge optics with extra low dispersion glass (ED). ED glass provides excellent colour correction & razor sharp images for serious nature & bird watchers.

ED version models are also ideal for virtually eliminating chromatic aberration usually seen during planetary & lunar viewing. Day or night, this scope is optimized to provide the sharpest images available. Model also features charcoal color rubber textured paint for secure grip.

Quick Overview:

- 100 mm ED Refractor
- Extra-Low dispersion glass provides razor sharp images
- Multi-Coated optics
- 45deg viewing angle
- 22-66x zoom eyepiece
- Sight tube for quick targeting
- Waterproof
- Rubber coated texture for comfortable grip
- Soft carrying case
- Limited Lifetime Warranty

Specifications:

Aperture (mm) 100 mm (3.94 in)
Focal Length 540 mm (21 in)
Focal Ratio 5.4
Angle 45 deg
Eyepiece 1 8-24 Zoom
Magnification 1 22-66x
Finderscope Sighting tube
Other Equipment Tripod Balancing Platform
Carrying Case Soft Case
Highest Useful Magnification 236 x
Lowest Useful Magnification 14 x
Limiting Stellar Magnitude 12.5
Resolution (Rayleigh) 1.39 arc seconds
Resolution (Dawes) 1.16 arc seconds
Light Gathering Power (Compared to human eye) 204 x
Angular Field of View 1.8
- 1 deg
Linear Field of View (@1000 yds) 95ft @ 22x 53ft @ 66x
Eye Relief 18 mm @ 22x
Close Focus 33ft @ 22x
Optical Coatings Multi-Coated
Optical Tube Length 19 in (483 mm)
Weight (oz) 72 oz (2041 g)
Camera Adaptable Built-in T-thread on Eyepiece
Tripod Adaptable Yes
















































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The Ultima ED Series is the high end version of Celestron's highly acclaimed Ultima Series. The ED Series features the same rugged construction & features as the regular Ultima models except the optics have been upgraded with Extra Low Dispersion (ED) glass for razor sharp images & virtually no chromatic aberration. Ultima ED Series spotters perform extremely well under all light conditions which makes them ideal for all types of outdoor viewing activities including bird watching, nature & wildlife, target shooting
- even astronomy. The Ultimas are as great to look at as they are to look through. Their sleek design is accented with graceful contours that make them easy to hold & handle. The Ultima ED Series spotters are the perfect choice for the outdoor enthusiast looking for a spotter with quality design & construction, superior optics, & versatility.

Features: 100mm ED Refractor Extra-Low dispersion glass provides razor sharp images Multi-Coated optics 45° viewing angle 22-66x zoom eyepiece Sight tube for quick targeting Waterproof Rubber coated texture for comfortable grip Soft carrying case Specifications: Optical Design: Refractor Aperture: 100 mm (3.94 in) Focal Length: 540 mm (21.26 in) Focal Ratio: 5.4 Finderscope: Sighting tube Angle: 45° Eyepiece 1: 8-24 Zoom Magnification 1: 22-66x Carrying Case: Soft Case Angular Field Of View: 1.8°
- 1° 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: 19 in (482.6 mm) Weight: 2041g



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The Ultima ED Series is the high end version of Celestron's highly acclaimed Ultima Series. The ED Series features the same rugged construction & features as the regular Ultima models except the optics have been upgraded with Extra Low Dispersion (ED) glass for razor sharp images & virtually no chromatic aberration. Ultima ED Series spotters perform extremely well under all light conditions which makes them ideal for all types of outdoor viewing activities including bird watching, nature & wildlife, target shooting even astronomy. The Ultimas are as great to look at as they are to look through. Their sleek design is accented with graceful contours that make them easy to hold & handle. The Ultima ED Series spotters are the perfect choice for the outdoor enthusiast looking for a spotter with quality design & construction, superior optics, & versatility.

Features: 80mm ED Refractor Extra-Low dispersion glass provides razor sharp images Multi-Coated optics 45° viewing angle 20-60x zoom eyepiece Sight tube for quick targeting Waterproof Rubber coated texture for comfortable grip Soft carrying case Specifications: Optical Design: Refractor Aperture: 80 mm (3.15 in) Focal Length: 480 mm (18.9 in) Focal Ratio: 6 Finderscope: Sighting tube Angle: 45° Eyepiece 1: 8-24 Zoom Magnification 1: 20-60x Carrying Case: Soft Case Angular Field Of View: 2°
- 1° Linear Field of View (@1000 Yds): 105ft @ 20x 53ft @ 60x Eye Relief: 18mm @ 20x Near Focus: 27ft @ 20x Optical Coatings: Multi-Coated Tripod Adaptable: Yes Camera Adaptable: Built-in T-thread on Eyepiece Optical Tube Length: 16 in (406.4 mm) Weight: 1633g


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