The Celestron Regal F-ED Refractor 80F-ED 45 features APO optical design combined with fully multi-coated glass elements ensure the highest levels of contrast, colour fidelity, & sharpness. Celestrons Regal F-ED spotting scopes feature an air-spaced doublet, one element of which is made from the exotic mineral fluorite. The extra low dispersion from the fluorite provides excellent colour correction & razor sharp images while virtually eliminating chromatic aberration. Day or night, the Celestron Regal F-ED Refractor 80F-ED 45 is optimised to provide the sharpest images possible. Ideal for bird watching, nature observing, long distance viewing & casual astronomical use. Completely waterproof you can feel comfortable using them in extreme weather.
Features:
- Fully Multi-Coated Optics for High Contrast- Wide Angle Zoom Eyepiece is Standard- Optional 1.25' Eyepieces Attach Easily- Waterproof for Protection Against the Elements- Rubber Covered for Durability- Dual-Focus Knobs for Super Sharp Focus- Twist-Up Eyecup for use With or Without Eyeglasses- T-Adapter Included for Easy 35mm/ Digital SLR Imaging- Soft Carrying Case Included Specifications:- Aperture: 80 mm- Focal Length: 480 mm- Focal Ratio: 6- Magnification 1: 20x-60x- Angular Field of View: 2.1 deg/ 1.0 deg- Linear Field of View (@1000 m): 37 / 19- Eye Relief: 20 mm- Near Focus: 6.1 m- Prisms: Ba K-4- Optical Tube Length: 431.8 mm- Weight: 2041.17 g