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Spotting Scopes (กล้องดูนก) > Celestron >
Item # 52268 C90 MAK Spotting Scope |
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Item # 52268 C90 MAK Spotting Scope
The Maksutov optical design is recognized for being a portable design that is easy to use and has a variety of applications, making it an excellent choice for both terrestrial and astronomical usage. This C90 Mak has excellent optics with razor sharp images over a wide field.
FEATURES
Multi Coated Optics Maksutov-Cassegrain Optical Design Compact and Portable Design Erect Image System for Terrestrial and Astronomical Use Built-in T-Adapter threads for Ease of Adapting SLR Cameras Comes with 32 mm Eyepiece, 45° Erect Image Diagonal and 8x21 Erect Image Finderscope Backpack Made of Nylon Limited Lifetime Warranty
SPECIFICATIONS Optical Design :Maksutov-Cassegrain Aperture (mm):90 mm (3.54 in) Focal Length (mm):1250 mm (49 in) Focal Ratio:14 Angle:0 or 45 ° Eyepiece 1 (mm):32 mm (1.26 in) Magnification 1:39 x Finderscope:8x21 Carrying Case:Backpack made of nylon Highest Useful Magnification:213 x Lowest Useful Magnification:13 x Limiting Stellar Magnitude:12.3 Resolution (Rayleigh):1.55 arc seconds Resolution (Dawes):1.29 arc seconds Light Gathering Power (Compared to human eye):165 x Angular Field of View (deg):1.3 ° Linear Field of View (@1000 yds):68 ft (21 m) Linear Field of View (@1000 m):23 m (75 ft) Eye Relief (mm):20 mm (0.79 in) Near Focus (Binoculars):15 ft (4.57 m) Optical Coatings:Multi-Coated Optical Tube Length:16 in (406 mm) Weight (lbs):5 lbs (2.27 kg) Camera Adaptable:Optional T-Adapter Tripod Adaptable:Yes RECOMMENDED ACCESSORIES
#93402 - T-Ring for 35 mm Nikon Camera #93419 - T-Ring for 35 mm Canon EOS Camera #93575 - LensPen - Optics Cleaning Tool #93626 - Digital Camera Adapter - Universal #93606 - Tripod, Photographic and Video
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