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Celestron Astro Fi 102 Wi-Fi Maksutov Wireless Reflecting Telescope, Black (22202)

3.7 3.7 out of 5 stars 213 ratings

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Astro Fi 102

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About this item

  • Control your telescope via integrated WiFi using the free Celestron Sky Portal app for iPhone, iPad, and Android devices
  • The Astro Fi 102mm Maksutov-Cassegrain with fully coated glass optics provides outstanding views the Moon and planets, as well as bright deep space objects beyond our Solar System
  • Accessory tray holds 2 x 1.25" eyepieces, miscellaneous accessories, including a rubber-lined area for a smart phone or small tablet
  • Includes a Star Pointer finder scope, 2 Kellner eyepieces, and mirror star diagonal
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4.3/5 star rating from 100K+ customer ratings
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What's in the box

  • 102mm optical tube assembly, StarPointer finderscope and bracket (preassembled), 25 mm Kellner eyepiece (1.25"), 10mm Kellner eyepiece (1.25"), Star Diagonal (1.25"), Small dust cap for focuser, Large dust cap for objective lens, Battery pack (batteries not included)
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    Celestron Astro Fi 102 Wi-Fi Maksutov Wireless Reflecting Telescope, Black (22202)
    Celestron Astro Fi 102 Wi-Fi Maksutov Wireless Reflecting Telescope, Black (22202)
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    Added to Cart
    Price-36% $341.30
    List:$529.95
    $149.99-15% $279.64
    Typical:$328.99
    -15% $297.28
    List:$349.95
    -23% $537.92
    List:$699.95
    -22% $149.00
    List:$189.95
    Delivery
    Get it as soon as Tuesday, Mar 19
    Get it as soon as Thursday, Mar 21
    Get it as soon as Tuesday, Mar 19
    Get it as soon as Tuesday, Mar 19
    Get it as soon as Tuesday, Mar 19
    Get it as soon as Tuesday, Mar 19
    Customer Ratings
    Easy to use
    2.3
    4.5
    4.1
    3.7
    4.1
    Easy to assemble
    4.7
    4.3
    4.5
    4.4
    4.5
    For beginners
    4.6
    4.5
    4.3
    3.6
    4.3
    Value for money
    3.5
    3.7
    4.1
    3.3
    Sold By
    Amazon.com
    Jifumei Shangmao(Heyuan)Co.,Ltd
    Amazon.com
    Amazon.com
    Amazon.com
    Amazon.com
    focus type
    Manual Focus
    Auto Focus
    Manual Focus
    Manual Focus
    Manual Focus
    Manual Focus
    eye piece lens
    Kellner
    Barlow
    Plossl
    70
    objective lens diameter
    102 millimeters
    80 millimeters
    100 millimeters
    102 millimeters
    127 millimeters
    70 millimeters
    telescope mount
    Altazimuth Mount
    Altazimuth Mount
    Altazimuth Mount
    Altazimuth Mount
    Altazimuth Mount
    Altazimuth Mount
    lens coating
    Fully Coated
    Fully Multi-Coated
    Fully Coated
    Fully Coated
    Fully Coated
    weight
    14 pounds
    20 pounds
    1100 grams
    18.1 pounds
    18 pounds
    finderscope
    Reflex
    Reflex
    Reflex
    Reflex
    Reflex
    StarPointer™ red dot finderscope

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    Celestron Astro Fi 102 Wi-Fi Maksutov Wireless Reflecting Telescope, Black (22202)


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    Product Description

    Celestron is not only changing the way we experience astronomy, but We're also changing the way you interact with the night sky. The Astro fi 102mm Maksutov-Cassegrain is a fully featured telescope that can be controlled with your smart phone or tablet using the free Celestron sky portal app. Celestron’s sky portal app replaces the traditional telescope hand control for a 100% wireless experience. Just hold your smart device up to the night sky. When you find an object you'd like to view, tap the screen. Your Astro fi telescope automatically slews to the object, while the screen displays information about it. It’s never been more fun to explore the universe!the Astro fi 102 creates its own wireless connection, so it can communicate with your device even in remote locations where Wi-Fi or Cellular networks aren't available. Getting ready to observe is quick and painless thanks to Celestron’s award-winning sky align technology. Center any three bright objects in the eyepiece, and your telescope calculates its position. You can even generate a sky tour of all the best celestial objects to view based on your exact time and location.trusted Celestron opticsinnovative Wi-Fi technology powers the Astro fi, but it’s the optics inside the telescope tube that make it a Celestron. For over 50 years, we’ve LED the industry in optical technology-and we put that experience into the Astro fi 102. This 102mm Maksutov-Cassegrain with fully coated optics offers dazzling views of craters on the Moon, the rings of Saturn, the great red spot on Jupiter, the Orion Nebula, the HERCULES globular cluster and so much more.

    Customer reviews

    3.7 out of 5 stars
    3.7 out of 5
    213 global ratings

    Customers say

    Customers have expressed frustration with the telescope's alignment and connectivity. They say it's difficult to maintain the WiFi connection while calibrating it, and the telescope keeps refusing to respond to simple commands. Customers also differ on quality and ease of use.

    AI-generated from the text of customer reviews

    3 customers mention3 positive0 negative

    Customers are satisfied with the build quality of the telescope. They mention that it is a rock solid product and has no problems to report.

    "...Excellent all metal build quality including thumb screws for swapping lens & accessories..." Read more

    "seems like a great product - well built and everything is working...but having some probs getting it to auto-align...too cold to run it outside much..." Read more

    "Actually it is pretty sturdy..." Read more

    23 customers mention15 positive8 negative

    Customers are mixed about the quality of the telescope. Some mention that the telescope itself is awesome, while others say that the skyportal app is unreliable and difficult to use. Some customers also say that it's not good for astrophotography.

    "...The WiFi worked from 50 foot away. The Skyportal app worked well on each. These phones are kept up-to-date but not crud-ed up with a lot of apps...." Read more

    "...Its made very well looks nice and the images I took were great but if you want to have complete control over the telescope you want the hand..." Read more

    "...Overall this is a really nice scope due to it's wifi feature, light weight and ease of use...." Read more

    "...Very frustrating. Telescope works good when it is set to a planet using the app, but it won’t auto follow." Read more

    8 customers mention5 positive3 negative

    Customers are mixed about the ease of use of the telescope. Some mention that the instructions are simple, and aligning the sights are key to finding the night, while others say that they are horrible and not able to be done manually.

    "...The pros:-Light Weight, easily to pack and set up (done in about 2 minutes)..." Read more

    "...Also, this is not able to be done manually, so you have to rely on the "smart" alignment feature in the app in order to look at any of the stars...." Read more

    "Super easy to assemble, the app has lots of information and cool option of adding your phone to take pictures...." Read more

    "...In my case, it was an almost cost-free, easy fix. I can now remain connected to the WiFi access-point of the telescope for hours...." Read more

    14 customers mention3 positive11 negative

    Customers have issues with the alignment of the telescope. They mention that it takes a long time to align the telescope and that the star alignment setup is impossible. Some customers also say that the finder scope could not be aligned or used.

    "...plastic and the finder scope could not be aligned or used. By just spending $100 more you get:..." Read more

    "...trying to get it to align with three bright starts when I could not align it with the moon and jupiter that was it for me ...." Read more

    "...Finder scope is tricky to get used to as it doesn't actually line up (like a scope on a rifle for example) so you have to look from the exact..." Read more

    "...The instructions were simple and aligning the sights were key to finding the night sky objects...." Read more

    12 customers mention3 positive9 negative

    Customers have connectivity issues with the telescope. They mention that the WiFi connection keeps dropping out, it's difficult to maintain the wireless connection while calibrating, and the app disconnects from the telescope whenever they leave the app.

    "the wifi app thing sucks ok let me tell you I learned that the wifi doesn't make the telescope easier to use it makes it harder because if your..." Read more

    "...Update after a year of use: The wifi signal now drops constantly and I gave up and purchased the handset...." Read more

    "...The WiFi worked from 50 foot away. The Skyportal app worked well on each. These phones are kept up-to-date but not crud-ed up with a lot of apps...." Read more

    "Assembled in 5 minutes. Works great out of the box. Wifi wouldn't connect on one occasion so far but only for about 30 seconds then it's fine...." Read more

    5 customers mention0 positive5 negative

    Customers find the telescope frustrating to use. They mention that the telescope keeps refusing to respond to simple commands, and it's tricky to get used to.

    "...Very frustrating. Telescope works good when it is set to a planet using the app, but it won’t auto follow." Read more

    "...Finder scope is tricky to get used to as it doesn't actually line up (like a scope on a rifle for example) so you have to look from the exact..." Read more

    "...not align properly using SkyAlign, the telescope kept refusing to respond to simple commands and required power cycling and it would not focus..." Read more

    "...sometimes we will spend 20 minutes trying to align it and the thing doesn't cooperate and we just give up...." Read more

    What a beginner’s telescope should be - Great build quality - Setting record straight on reviews
    5 Stars
    What a beginner’s telescope should be - Great build quality - Setting record straight on reviews
    My friend bought a beginner’s telescope from another manufacturer. Yes, it was $100 less but EVERYTHING wasplastic and the finder scope could not be aligned or used. By just spending $100 more you get:1) Excellent all metal build quality including thumb screws for swapping lens & accessories2) a finder scope (only thing plastic besides lens covers) that actually works very well3) AND you also get WiFi and Skyportal for your cell phone to align scope and then with its great graphics touch and have the scope find and (most important) track an object4) Has (in the case of the Astro Fi 90) a dew protector on front of the scopeNow on the reviews which frankly gave me pause/concern on this purchase.We used two different brand (Motorola, Samsung) 3 year old $80 cell phones (one at a time). The WiFi worked from 50 foot away. The Skyportal app worked well on each. These phones are kept up-to-date but not crud-ed up with a lot of apps. The printed manual said to make sure the switch on the scope is to the left before connecting the cell phone via WiFi to the scope which is incorrect. Celestron has since corrected that and you will see it when downloading the same manual from their site. The switch should be set to the RIGHT and is set that way right out of the box. Each phone connected to the scope in 15 seconds after pressing the Connect and Align or Connect button on the phone’s screen. The Skyportal app lets you nudge the scope to center the item you are aligning if you slide the yellow rate slider towards the left. Batteries – still working after 5 nights of viewing about 6 hours per night.I think the key is relax, be patient and take your time when aligning. After some practice/experience gained about 10-15 minutes total to align 3 separate objects (planet/star). Make sure to align the finder scope to the scope in the daytime per included instructions first. I've got it to a point where if the red dot is over the object it is centered in the lens. This alignment process is all worth it. Once done when you take a tour of the sky and touch an object (ex: Jupiter) on the phone's screen, the scope moves to it and stays centered in the lens even after a hour. One time the connection dropped – I just ended the app; started it back up on the same phone that alignment was done; reconnected and didn’t have to do the alignment again.The term beginner’s means you will see planets in our case of light polluted skies from Saturn (and its rings) to Venus and the moon is awesome. You can also see Jupiter’s moons and brown ring clouds. If you want to see galaxies or nebula you need to go to the $1000 range for an 8 inch or more aperture scope. But the money saved allows for buying accessories (lens, etc.) that also work with the more expensive scopes.This review based on Astro Fi 90 scope purchased on 7/2019 at $289 to celebrate 50-year anniversary of man landing on the moon. Planet viewing from Pgh PA. Celestron seems to improve their products so some other reviews might be for scopes purchased before this date.10/1/2019 - UpdateTelescope continues to work well - no problems to report.Captured this picture of the moon with the included 25mm lens and purchased Smart Phone Adapter accessory.7/14/2020Almost a year old - no problems to report - rock solid build quality.Captured this picture of Jupiter using Celestron 8 to 24mm 1.25 Zoom Eyepiece.
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    Top reviews from the United States

    Reviewed in the United States on July 26, 2019
    Size: Astro Fi 90Verified Purchase
    Customer image
    5.0 out of 5 stars What a beginner’s telescope should be - Great build quality - Setting record straight on reviews
    Reviewed in the United States on July 26, 2019
    My friend bought a beginner’s telescope from another manufacturer. Yes, it was $100 less but EVERYTHING was
    plastic and the finder scope could not be aligned or used. By just spending $100 more you get:

    1) Excellent all metal build quality including thumb screws for swapping lens & accessories
    2) a finder scope (only thing plastic besides lens covers) that actually works very well
    3) AND you also get WiFi and Skyportal for your cell phone to align scope and then with its great graphics touch and have the scope find and (most important) track an object
    4) Has (in the case of the Astro Fi 90) a dew protector on front of the scope

    Now on the reviews which frankly gave me pause/concern on this purchase.

    We used two different brand (Motorola, Samsung) 3 year old $80 cell phones (one at a time). The WiFi worked from 50 foot away. The Skyportal app worked well on each. These phones are kept up-to-date but not crud-ed up with a lot of apps. The printed manual said to make sure the switch on the scope is to the left before connecting the cell phone via WiFi to the scope which is incorrect. Celestron has since corrected that and you will see it when downloading the same manual from their site. The switch should be set to the RIGHT and is set that way right out of the box. Each phone connected to the scope in 15 seconds after pressing the Connect and Align or Connect button on the phone’s screen. The Skyportal app lets you nudge the scope to center the item you are aligning if you slide the yellow rate slider towards the left. Batteries – still working after 5 nights of viewing about 6 hours per night.

    I think the key is relax, be patient and take your time when aligning. After some practice/experience gained about 10-15 minutes total to align 3 separate objects (planet/star). Make sure to align the finder scope to the scope in the daytime per included instructions first. I've got it to a point where if the red dot is over the object it is centered in the lens. This alignment process is all worth it. Once done when you take a tour of the sky and touch an object (ex: Jupiter) on the phone's screen, the scope moves to it and stays centered in the lens even after a hour. One time the connection dropped – I just ended the app; started it back up on the same phone that alignment was done; reconnected and didn’t have to do the alignment again.

    The term beginner’s means you will see planets in our case of light polluted skies from Saturn (and its rings) to Venus and the moon is awesome. You can also see Jupiter’s moons and brown ring clouds. If you want to see galaxies or nebula you need to go to the $1000 range for an 8 inch or more aperture scope. But the money saved allows for buying accessories (lens, etc.) that also work with the more expensive scopes.

    This review based on Astro Fi 90 scope purchased on 7/2019 at $289 to celebrate 50-year anniversary of man landing on the moon. Planet viewing from Pgh PA. Celestron seems to improve their products so some other reviews might be for scopes purchased before this date.

    10/1/2019 - Update

    Telescope continues to work well - no problems to report.
    Captured this picture of the moon with the included 25mm lens and purchased Smart Phone Adapter accessory.

    7/14/2020

    Almost a year old - no problems to report - rock solid build quality.
    Captured this picture of Jupiter using Celestron 8 to 24mm 1.25 Zoom Eyepiece.
    Images in this review
    Customer image Customer image
    Customer imageCustomer image
    115 people found this helpful
    Report
    Reviewed in the United States on April 3, 2017
    Size: Astro Fi 102Verified Purchase
    25 people found this helpful
    Report
    Reviewed in the United States on January 9, 2024
    Size: Astro Fi 130Verified Purchase
    Customer image
    5.0 out of 5 stars Great scope
    Reviewed in the United States on January 9, 2024
    The best part of this scope is the built-in WiFi connectivity and the nice cell phone adapter. I would recommend getting some stronger eye pieces because this scope (130mm) has a lot of power. So much so that I can’t even look at the moon w/o using a moon filter because it hurts my eyes. I took the attached picture using my cellphone. I have also taken nice pictures of deep space objects but would recommend using a good app that opens up the ISO on your phone to gather even more light.
    Also, I would recommend an external battery to power the scope because the one it comes with doesn’t last very long.
    Lastly, if you use a dedicated old cellphone to control the telescope, which I recommend, make sure to set your setting so your phone doesn’t automatically lock after a few minutes. Always keep in open and you will not lose any connection with the telescope. Too easy!
    Images in this review
    Customer image
    Customer image
    3 people found this helpful
    Report

    Top reviews from other countries

    Translate all reviews to English
    Tirso Suarez Nuñez
    5.0 out of 5 stars Preciso y liviano
    Reviewed in Mexico on March 8, 2022
    Size: Astro Fi 102Verified Purchase
    Konstantinos Sideris
    5.0 out of 5 stars Very nice telescope
    Reviewed in the United Kingdom on May 19, 2023
    Size: Astro Fi 90Verified Purchase
    2 people found this helpful
    Report
    TANTOT DIDIER
    4.0 out of 5 stars Avis
    Reviewed in France on July 18, 2022
    Size: Astro Fi 102Verified Purchase
    app_user
    5.0 out of 5 stars Excelente óptica y manejo
    Reviewed in Spain on November 25, 2021
    Size: Astro Fi 130Verified Purchase
    stephen muller
    5.0 out of 5 stars being able to view the moon
    Reviewed in the United Kingdom on January 15, 2021
    Size: Astro Fi 130Verified Purchase