Celestron Ultima 100 - Straight - Spotting Scope

The Celestron 52257 is a Ultima 100 - Straight Spotting Scope that features an excellent multi-coated optics providing sharp and clear images. The 100mm refractor features a straight through viewing angle and comes standard with a 22-66x zoom eyepiece.. The 100mm objective lens offers more than 50% brighter images, allowing excellent performance in low loght conditions. The waterproof Celestron's spotting scope has a 45-degree eyepiece configuration that makes it easy to focus in on your subject. The inclusion of an aiming sight tube helps to quickly acquire the target. Ultima spotters are a great companion for any nature or outdoor enthusiast.

52257 Features:

Product # 52257

• 100mm Straight Spotting Scope
• Bak-4 Prisms
• Sight Tube f/ Quick Targeting
• Multi-Coated Optics
• Waterproof
• Zoom Upto 66x
• Straight Through Viewing Angle
• 22-66x Zoom Eyepiece

Specifications:

• Optical Design: Refractor
• Aperture: 100mm (3.94 in)
• Focal Length (mm): 540 mm (21 in)
• Focal Ratio: 5.4
• Magnification 1: 22x - 66x
• Finderscope: Sighting Tube
• Highest Useful Magnification: 236x
• Lowest Useful Magnification: 14x
• Limiting Stellar Magnitude: 12.5
• Resolution (Rayleigh): 1.39 Arc Seconds
• Resolution (Dawes): 1.16 Arc Seconds
• Light Gathering Power: 204x
• Angular Field of View: 1.8° - 1°
• Linear Field of View (@1000 yds): 95ft @ 220x, 53ft @ 66x
• Eye Relief (mm): 18mm @ 22x
• Near Focus: 33ft @ 22x
• Optical Coatings: Multi Coated
• Optical Tube Length: 22 in (559 mm)

Includes:

• Soft Carrying Case