Celestron Astro FI 90mm Refractor Telescope

SKU: CNWF90

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Reviews about this item

Review Summary

2021-11-29T14:33:32

Rated 4 out of 5

Good scope

Have used their cousins. Looking forward to sky gazing.

Kenneth A.

2021-07-08T10:05:15

Rated 5 out of 5

Great telescope

Great product

MARK J.

2021-02-01T07:55:58

Rated 1 out of 5

Not happy

SkyAlign doesn’t work

STEPHEN I.

2021-01-21T07:36:42

Rated 4 out of 5

Loving my first telescope!

I love the scope! I am having some beginners problems, as I expected but so far I'm having a great time. I just have to get some cloud free nights and I still some problems with the align feature of the Skyportal but I wouldn't change my mind one bit!

Matthew M.

2021-01-01T07:32:26

Rated 5 out of 5

Astro F1

This telescope is performing beautifully, as expected!

WILLIAM E.

2016-12-27T11:16:15

Rated 5 out of 5

Great Product

Christmas gift for Great nephew. Awesome product. He loves it.

Anthony C.

Celestron Astro FI Specifications

  • Optical Design

    Refractor

  • Aperture (mm)

    90mm (3.54 in)

  • Focal Length

    910 mm (36 in)

  • Focal Ratio

    10.1

  • Focal Length of Eyepiece 1 (mm)

    25 mm (0.98 in)

  • Magnification of Eyepiece 1

    36 x

  • Focal Length of Eyepiece 2 (mm)

    10mm (0.39 in)

  • Magnification of Eyepiece 2

    91 x

  • Finderscope

    StarPointer

  • Mount Type

    Single Fork Arm Altazimuth

  • Accessory Tray

    Includes rubberized smartphone or tablet holder

  • Tripod

    Aluminum

  • Highest Useful Magnification

    213 x

  • Lowest Useful Magnification

    13 x

  • Limiting Stellar Magnitude

    12.3

  • Resolution (Rayleigh)

    1.54 arc seconds

  • Resolution (Dawes)

    1.29 arc seconds

  • Light Gathering Power

    165 x

  • Optical Coatings

    Fully Coated

  • Optical Tube Length

    37.2 in/94.5 cm in (945 mm)

  • Total Telescope Kit Weight

    14.2 lbs (6.44 kg)

  • 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

  • Warranty

    2-year Telescope Warranty

  • UPC Code

    050234222013

About Celestron Astro FI

FEATURED REVIEWS

Great telescope

By MARK J.

Great product

Astro F1

By WILLIAM E.

This telescope is performing beautifully, as expected!

Celestron isn't changing the way we experience astronomy, but is definitely changing the way you interact with the night sky. The Astro Fi 90mm Refractor is a fully featured telescope that can be controlled with your smart phone or tablet using the free Celestron SkyPortal app. Celestron's SkyPortal 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 90 creates its own wireless connection, so it can communicate with your device even in remote locations where WiFi or cellular networks aren't available. Getting ready to observe is quick and painless thanks to Celestron's award-winning SkyAlign 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 Optice
Innovative WiFi 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 90. This 90 mm refractor 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.

Celestron Astro FI Features

  • Control your telescope via integrated WiFi using the free Celestron SkyPortal app for iPhone, iPad, and Android devices
  • 90 mm refractor with fully coated glass optics provides outstanding views of theMoon, planets, and nebulae, and more.
  • Accessory tray holds 2 x 1.25" eyepieces, miscellaneous accessories, including arubber-lined area for a smart phone or small tablet.
  • Includes a StarPointer finderscope, 2 Kellner eyepieces, and mirror star diagonal.

Key Features

  • Control your telescope via integrated WiFi
  • 90 mm refractor with fully coated glass optics
  • Includes a StarPointer finderscope, 2 Kellner eyepieces, mirror star diagonal and Accessory Tray

What's in the box:

  • StarPointer Finderscope
  • 25mm 1.25" Kellner Eyepiece
  • 10mm 1.25" Kellner Eyepiece
  • Mirror Star Diagonal
  • Single Fork Arm Altazimuth Mount
  • Aluminum Tripod
  • Accessory tray