Celestron AstroMaster 90AZ 90mm f/11.1 Refractor Telescope

Celestron AstroMaster 90AZ 90mm f/11.1 Refractor Telescope

Celestron AstroMaster 90AZ 90mm f/11.1 Refractor Telescope

B&H # CEAM90AZ MFR # 21063
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Product Highlights

  • 90mm Aperture Refractor OTA
  • 1000mm Focal Length, f/11.1 Focal Ratio
  • Fully Multi-Coated Optics
  • 1.25" Focuser, 10mm and 20mm Eyepieces
  • Manual Alt-Azimuth Mount
  • Locking Control Handle
  • 90° Erect-Image Diagonal
  • Permanently-Mounted Red-Dot Finder
  • 1.25" Stainless Steel Tripod with Tray
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Accessories: Standard Accessories

Deluxe Mars Observation Kit

Not available with current selections

Mars Observation Kit

Not available with current selections

Moon Observation Kit

Not available with current selections

RA Motor Drive

Not available with current selections

Smartphone Digiscoping Adapter

Not available with current selections

Standard Accessories

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Celestron AstroMaster 90 AZ overview

  • 1Description

Designed as a capable and portable starter-scope, the Celestron AstroMaster 90AZ 90mm f/11.1 Refractor Telescope is a complete observational platform for making detailed observations of the Moon, planets, or comet-hunting. Its manual alt-azimuth mount's locking altitude clutch and adjustable pan-axis tension knob allows users to easily track objects using the locking pan handle with reduced vibrations. The entire rig assembles and breaks down without the need for tools, so users can set up fast and get observing sooner.

This version of the AstroMaster comes with two eyepieces that yield low and medium magnifications, and a 90° diagonal that sports an integrated erecting prism to correct images and allow the scope to be used as a conventional spotting scope for terrestrial use. The diagonal also places the user's head in a more comfortable position, especially when the OTA is pointed at or near the zenith. An adjustable-height stainless steel tripod supports the mount and optical tube, and comes with a center tray that conveniently holds accessories while improving stability and reducing vibrations.

Optical Tube
  • 90mm aperture
  • f/11.1 focal ratio
  • 1000mm focal length
  • Refractor-style optical path
  • Fully multi-coated optics improve light transmission, color rendition, and contrast
  • Resolution: 1.55 arcsec (Rayleigh); 1.29 arcsec (Dawes)
  • 1.25" rack-and-pinion focuser
  • Dovetail mounting plate
Mount and Tripod
    Mount:
  • Manual alt-azimuth
  • Locking control handle enables precise adjustments with reduced vibrations
  • Manual base clutch locks mount in position
  • Adjustable pan tension ensures smooth movement while tracking objects
  • Dovetail saddle accepts OTA mounting plate and allows for precise balancing
    Tripod:
  • 1.25" tubular stainless steel legs
  • Adjustable height to accommodate a variety of users and observing positions
  • Spiked feet to provide stability in rough or soft terrain
  • Center tray adds stability and vibration-reduction
Included Accessories
    Eyepieces:
  • 1.25" diameter barrel
  • Accepts most astronomical eyepiece filters
  • 10mm focal length produces 100x magnification
  • 20mm focal length yields 50x power
    Diagonal:
  • 90° angle places head in comfortable viewing position, especially when aimed at or near the zenith
  • Integrated erecting prism corrects image for terrestrial viewing as a conventional spotting scope
  • 1.25" snout and eyepiece holder fits and accepts the most common sized focusers and accessories
    Finder:
  • Permanently-mounted in-place
  • Unmagnified view ensures easy alignment and fast star-hopping navigation
  • Red illuminated center aiming dot is easy to see without obstructing small or dim objects
UPC: 050234210638
In the Box
Celestron AstroMaster 90AZ 90mm f/11.1 Refractor Telescope
  • StarPointer Finderscope
  • 10mm Eyepiece
  • 20mm Eyepiece
  • 90° Erect-Image Diagonal
  • Tripod and Accessory Tray
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Celestron AstroMaster 90 AZ specs

    Optical Tube Assembly
    Optical Design Achromatic Refractor
    Focal Length 1000 mm
    Focal Ratio f/11.1
    Eyepiece Barrel Diameter 1.25"
    Mount
    Type Alt-Azimuth
    GoTo Capability No
    Tripod
    Material of Tripod Stainless Steel
    General
    Weight 20.0 lb / 9.1 kg
    Packaging Info
    Package Weight 21.0 lb
    Box Dimensions (LxWxH) 42.0 x 15.0 x 9.5"

    Celestron AstroMaster 90 AZ reviews

    AstroMaster 90AZ 90mm f/11.1 Refractor Telescope is rated 4.4 out of 5 by 9.
    Rated 5 out of 5 by from Great introductory telescope This telescope is great for beginners. Not too expensive, but you can still see a fair amount of binary stars, and the rings of Saturn were distinguishable from the sphere of the planet. The star finder reticle is a bit tricky to use, but works well when you use the telescope itself to align left/right and the reticle for up/down. The mount is fairly stable, but is shaky when using the 10mm eyepiece and the wind blows. The tri-pod is of sturdy construction though. The assembly is relatively light, and can be easily carried by one person on one trip from the parking lot to the viewing field. B&H had the best price I could find, and here it comes with two eyepieces instead of just one. At the time when I ordered, they had free next day shipping, which was awesome. The red LED flashlight they sent along as a bonus is handy as well.
    Date published: 2016-08-03
    Rated 5 out of 5 by from Great Product Bought it for my husband who has been bugging for one. Comparable products sold for over $200, and I found it cheapest on the whole interenet here at B&H.
    Date published: 2010-11-18
    Rated 2 out of 5 by from disopointed sadly i found that after just a few days the focusing wheel stoped working i am not haveing much luck with celestron this ismy second telescopefrom that company the first was was not from b&h that to was a computrised one that just wouldnot work i think celetron need to up there produck quality controll happy that b&h was so helpfull and i have returned to them and thay are going to send me a new one i will hopefully give a better review on that one
    Date published: 2012-02-10
    Rated 4 out of 5 by from Nice Starter Scope I bought this for my husband's birthday. It is powerful enough for great views of the moon. Some planets are visible but not in detail. I also purchased the t-ring adaptor which allows me to attach my canon dslr to it. The tri-pod is a little wobbly which makes it hard to take crisp in focus pictures but overall we are happy with this purchase.
    Date published: 2012-04-02
    Rated 5 out of 5 by from A Great Telescope This is the first Telescope I have ever used and I am very satisfied with it. I couldn't believe when I was able to see Jupiter with the 10mm Eyepiece. For a first time Telescope this is the one you need.
    Date published: 2011-11-21
    Rated 4 out of 5 by from Good start Very good view of moon's details, good for planets, but do no expect so much. It's a interesting telescope for begginers.
    Date published: 2017-04-07
    Rated 5 out of 5 by from Great Beginner Teleacope Easy set up. Saw moons of Jupiter and Saturn's rings the first night.
    Date published: 2016-04-19
    Rated 5 out of 5 by from Excellent value the 2 generations younger than we are were duly impressed.
    Date published: 2018-08-03
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