Celestron Ultima 80 Straight Brand New Includes Limited Lifetime Warranty The Celestron 52254 is a Ultima 80 Straight Spotting Scope that features an excellent multi-coated optics providing sharp and clear views. The 80mm refractor features a straight through viewing angle and comes standard with a 20-60x zoom eyepiece.. The 80mm 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. 52254 Features Product # 52254 80mm Straight Spotting Scope Sight Tube f/ Quick Targeting Multi-Coated Optics Waterproof Zoom Upto 60x Straight Through Viewing Angle 20-60x Zoom Eyepiece Compatible w/Select Tripods Specifications Optical Design Refractor Aperture 80mm 3.15 in Focal Length mm 480 mm 19 in Focal Ratio 6 Eyepiece 1 8-24 Zoom Magnification 1 20x 60x Finderscope Sighting Tube Highest Useful Magnification 189x Lowest Useful Magnification 11x Limiting Stellar Magnitude 12 Resolution Rayleigh 1.74 Arc Seconds Resolution Dawes 1.45 Arc Seconds Light Gathering Power 131x Angular Field of View 2 1 Linear Field of View 1000 yds 105ft 20x, 53ft 60x Eye Relief mm 18mm 20x Near Focus 27ft 20x Optical Coatings Multi Coated Optical Tube Length 19 in 483 mm Camera Adaptable Built-in T-thread on Eyepiece Tripod Adaptable Yes Includes Soft Carrying Case