Celestron Astro Fi 102mm f/13 Maksutov-Cassegrain Telescope

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Your Price: CAD797.61

Retail Price:CAD837.49

Your Savings:CAD39.88(5%)

Part Number: 22202

Availability: Generally Ships in 5-7 Business days

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Description

Free yourself and your astronomy sessions from cords with Celestron's Astro Fi 102mm f/13 Maksutov-Cassegrain Telescope. It utilizes an integrated antenna to emit a local Wi-Fi signal so you can control the mount via direct wireless connection with Android and iOS smartphones and tablets running the free SkyPortal app.

Optically, the scope sports a design similar to the more common Schmidt configuration, but this Maksutov variation exchanges the front corrector plate with a convex meniscus lens, which eliminates the need for periodic collimation. Additionally, the nature of the lens requires a smaller secondary mirror that limits obstruction and increases contrast. This optical path results in a slower focal ratio and narrower field of view versus a similar Schmidt-Cassegrain, but the optical benefits makes this an ideal scope for Lunar and planetary observation, with the resolution required for splitting binary stars and separating star clusters. This complete observation rig includes the optical tube assembly, a motorized mount controlled by the app, an aluminum tripod, two eyepieces, a 90° diagonal, and a red-dot finder.

The OTA is mounted on a single-arm motorized alt-az mount. Guiding the mount is the SkyPortal app. Packed with over 120,000 objects it is designed to help users set up quickly and start observing faster. The app offers multiple alignment procedures, it can automatically find objects in the night sky, and offers guided tours of the most interesting objects overhead on any given night with select audio commentary including histories, mythologies, and NASA images. The mount runs on eight user-supplied AA batteries, and the entire rig assembles and breaks down without the need for tools so you spend less time setting up and more time observing.

Optical Tube

102mm aperture
f/13 focal ratio
1325mm focal length
Maksutov-Cassegrain optical design
Front convex meniscus lens corrects spherical and chromatic aberrations, and comas (off-axis aberration) across the entire field of view
Smaller secondary mirror versus Schmidt-Cassegrains reduces obstructions and increases contrast
Fully coated optics reduce light loss for increased image brightness, and improved color fidelity and contrast
Resolution: 1.37 arc sec, Rayleigh; 1.14 arc sec, Dawes Limit
Internal focusing mechanism

Computer Control

Directly connects to tablet or smartphone
Control mount via free SkyPortal app for Android 4.0 and higher and iOS 6 or later

120,000+ object database
Includes: Sun, Moon, planets, star clusters, Nebulae, Galaxies, asteroids and comets, satellites, and the International Space Station
Custom SkyTour of all the best celestial objects to view based on the time, date, and location
Simulate the night sky up to 100 years in the past, or future to plan an upcoming observing session
Compass Mode: Hold device up to the night sky and identify objects such as stars, planets, and galaxies; zoom in to view fainter objects not visible to the naked eye
Night Vision Mode: Preserves night-adjusted vision
Alignment Procedures: SkyAlign, 3-Star, Solar System
Tracking Rates: Sidreal, solar, and lunar; Automatic tracking for near and deep sky objects
Multiple Slew Speeds: 3°/sec maximum
View hundreds of astronomical photographs and NASA spacecraft images
Listen to more than four hours of audio narration to learn the history, mythology, and science of astronomy and the night sky
Works as a stand-alone planetarium app

Mount & Tripod

Motorized single-arm alt-az
Runs on eight user-supplied AA batteries
Quick release base, OTA, and accessory tray with rapid no-tool set up

Adjustable-height
Lightweight and durable two-section aluminum legs
Spiked feet for steady footing in soft ground
Center tray hold accessories such as eyepieces and filters while adding stability and reducing vibrations

Included Accessories

1.25" barrel diameter
25mm produces 53x magnification
10mm produces 132x magnification

90° angle places head at a comfortable viewing position when OTA is pointed at or near the zenith
Star diagonal vertically corrects image for terrestrial viewing

1x magnification
Red dot reticle
Variable intensity
Unmagnified wide field of view to make alignment faster and easier

Optical Design	Maksutov-Cassegrain
Aperture	102 mm (4.02 in)
Focal Length	1325 mm (52.17 in)
Focal Ratio	13
Focal Length of Eyepiece 1 (mm)	25 mm (0.98 in)
Magnification of Eyepiece 1	53x
Focal Length of Eyepiece 2 (mm)	10 mm (0.39 in)
Magnification of Eyepiece 2	132x
Finderscope	StarPointer
Star Diagonal	1.25"
Mount Type	Single Fork Arm Computerized Altazimuth
Accessory Tray	Includes rubberized smartphone or tablet holder
Tripos	Aluminum
Highest Useful Magnification	241x
Lowest Useful Magnification	15x
Limiting Stellar Magnitude	12.5
Resolution (Rayleigh)	1.37 arc seconds arc seconds
Resolution (Dawes)	1.14 arc seconds arc seconds
Light Gathering Power (Compared to human eye)	212x
Optical Coatings	Fully-Coated
Optical Tube Length	TBD
Total Telescope Kit Weight	TBD
Slew Speeds	Up to 3 deg/second
Tracking Rates	Sidereal, Solar, and Lunar
Alignment Procedures	SkyAlign, 3-Star Align, Solar System Align
Communication Ports	Aux port for optional hand control
Database	Over 120,000 objects including 220 of the best deep sky and solar system objects

Packaging Info
Package Weight	23.5 lb
Box Dimensions (LxWxH)	35.5 x 17.0 x 10.0"

In the Box

Celestron Astro Fi 102mm f/13 Maksutov-Cassegrain Telescope

StarPointer Finderscope

Battery Holder

10mm Eyepiece

25mm Eyepiece

90° Star Diagonal

Aluminum Tripod with Accessory Tray

Limited Two-Year Warranty

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Celestron Astro Fi 102mm f/13 Maksutov-Cassegrain Telescope

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