User Manual for Celestron Astro Fi 102mm f 13 Maksutov-Cassegrain Telescope Click to enlarge the picture
Contents of the user manual for the Celestron Astro Fi 102mm f 13
- Product category: Catadioptrics (Cassegrains) Celestron
- Brand: Celestron
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Celestron Catadioptrics (Cassegrains)
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User manual for the Celestron Astro Fi 102mm f 13 contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Celestron product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Celestron user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Celestron product will considerably shorten its lifespan!
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Product 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 for 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 (OTA), 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 it 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
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- 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 arcsec, Rayleigh; 1.14 arcsec, Dawes Limit
- Internal focusing mechanism
- Computer Control
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- Integrated Wi-Fi:
- Directly connects to tablet or smartphone
- Control mount via free SkyPortal app for Android 4.0 and higher and iOS 6 or later
- SkyPortal App:
- 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: Sidereal, 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
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- Mount:
- Motorized single-arm alt-az
- Runs on eight user-supplied AA batteries
- Quick release base, OTA, and accessory tray with rapid no-tool setup
- Tripod:
- Adjustable height
- Lightweight and durable two-section aluminum legs
- Spiked feet for steady footing on soft ground
- Center tray holds accessories such as eyepieces and filters while adding stability and reducing vibrations
- Included Accessories
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- Eyepieces:
- 1.25" barrel diameter
- 25mm produces 53x magnification
- 10mm produces 132x magnification
- Diagonal:
- 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
- StarPointer Finderscope:
- 1x magnification
- Red dot reticle
- Variable intensity
- Unmagnified wide field of view to make alignment faster and easier
UPC: 050234222020 In the Box Celestron Astro Fi 102mm f/13 Maksutov-Cassegrain Telescope StarPointer Finderscope yyevcsccztweeaved Battery Holder 10mm Eyepiece 25mm Eyepiece 90° Star Diagonal Aluminum Tripod with Accessory Tray Limited 2-Year Warranty Table of Contents
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Technical parametersCelestron Astro Fi Specs | | | Optical Design | Maksutov Cassegrain | | Aperture | 102 mm / 4" | | Focal Length | 1325 mm | | Focal Ratio | f/13 | | Focuser | Internal | | Eyepiece Barrel Diameter | 1.25" | | Diagonal | 90
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