Celestron AstroMaster 70AZ 70mm f/13 Alt-Az Refractor Telescope

Celestron AstroMaster 70AZ 70mm f/13 Alt-Az Refractor Telescope

Celestron AstroMaster 70AZ 70mm f/13 Alt-Az Refractor Telescope

B&H # CEAM70AZ MFR # 21061
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Product Highlights

  • 70mm Refractor OTA
  • 900mm Focal Length, f/13 Focal Ratio
  • Anti-Reflection Fully Coated Optics
  • 1.25" Rack-and-Pinion Focuser
  • 10mm and 20mm Eyepieces
  • Manual Alt-Azimuth Mount
  • Altitude Control Handle
  • 90° Erect-Image Diagonal
  • StarPointer Red-Dot Finder
  • Adjustable-Height Stainless-Steel Tripod
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Celestron AstroMaster 70 AZ overview

  • 1Description

Celestron designed the AstroMaster 70AZ 70mm f/13 Alt-Az Refractor Telescope as a multi-function starter-scope that can be used for both astronomical and terrestrial viewing. Its medium aperture and long focal length allow it to draw in a generous amount of light with a high magnification potential to allow observation of the larger planets and the moon. The included 90° diagonal has an integrated erecting prism that corrects the view to enable the scope's use on land. Celestron includes two eyepieces for high and medium magnifications.

The AstroMaster is outfitted with a manual alt-azimuth mount and to make finding and tracking objects easy, there is an altitude control handle and an azimuth lock. Supporting the mount and optical tube is a stainless-steel tripod with sturdy 1.25" diameter legs and an adjustable height from 24 to 41-inches. Its center accessory tray pulls double-duty as a convenient place to store eyepieces and smartphones while it locks the legs in place to improve stability and reduce vibrations.

Optical Tube
  • 70mm aperture
  • f/13 focal ratio
  • 900mm focal length
  • Anti-reflection fully coated optics improve light transmission, color rendition, and contrast
  • Resolution: Rayleigh: 1.99 arcsec; Dawes: 1.66 arcsec
  • Rack-and-pinion focuser with 1.25" drawtube
  • Dovetail plate allows OTA to be attached to mount quickly and without tools
Mount and Tripod
  • Manual alt-azimuth
  • Control handle helps to adjust altitude
  • Azimuth lock reduces vibration and additional movement
  • Dovetail saddle accepts OTA plate
  • 1.25" stainless steel legs
  • Adjustable height from 24-41"
  • Accessory tray locks in-place for added stability and vibration reduction
  • Spiked feet provide additional stability on soft, rough, or uneven ground
Eyepieces and Accessories
  • 1.25" diameter barrels accept most astronomical filters
  • 10mm produces 90x magnification
  • 20mm yields 45x power
  • 90° angle places user's head in a comfortable viewing position
  • Built-in erecting prism corrects view for terrestrial use as a conventional spotting scope
  • 1.25" barrel and eyepiece holder
    StarPointer Finderscope:
  • Unmagnified to provide an exceptionally wide field of view to make finding subjects fast and star-hopping navigation easy
  • Projects a center aiming dot that won't obscure the subject
  • Variable intensity center dot won't affect night-adjusted vision
UPC: 050234210614
In the Box
Celestron AstroMaster 70AZ 70mm f/13 Alt-Az Refractor Telescope
  • 10mm Eyepiece
  • 20mm Eyepiece
  • 90° Erect-Image Diagonal
  • StarPointer Finderscope
  • Tripod and Accessory Tray
  • "The Sky" Level 1 CD-ROM
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Celestron AstroMaster 70 AZ specs

    Optical Tube Assembly
    Optical Design Achromatic Refractor
    Focal Length 900 mm
    Focal Ratio f/12.9
    Eyepiece Barrel Diameter 1.25"
    Type Alt-Azimuth
    GoTo Capability No
    Material of Tripod Stainless Steel
    Weight 18.0 lb / 8.2 kg
    Packaging Info
    Package Weight 20.3 lb
    Box Dimensions (LxWxH) 38.0 x 14.5 x 9.5"

    Celestron AstroMaster 70 AZ reviews

    AstroMaster 70AZ 70mm f/13 Alt-Az Refractor Telescope is rated 4.3 out of 5 by 20.
    Rated 3 out of 5 by from Astromaster-70 I use the product for close objects such as the Moon, Venus, Mars, and Jupiter. Whats great is it so much clearer than my other telesope that I paid 3 times more for. What I don't like is the tightening handle for lateral movement, it doesn't work too great. While finding an object and then trying to lock it is pretty tough. After the handle is tightened the scope still moves and requires me to find the object again. Other than that it's a pretty good beginner scope for the price.
    Date published: 2010-07-08
    Rated 5 out of 5 by from Amazing Quality and Performance ! I have a large 10 Dobsonian and a also a 5 Newtonion EQ. I bought the Astromaster 70 telescope because I was intrigued with having a classic refractor that was small and lightweight. This has since become my favorite telescope and I use it all the time. Despite what self-proclaimed 'experts' may lead you to believe on the internet a small refractor is not a 'toy' telescope and in the hands of someone that knows what they are doing you can have a lot of fun viewing hundreds of celestial objects with this scope. It is not just for planets and the moon! You can view most if not all of the Messier Objects under the right conditions with this 70mm telescope! You may learn to be very happy with it and never need a bigger scope. It just depends on what your astronomical ambitions are. The tripod itself is worth the price of the scope! The mount is all solid cast metal, it is smooth and stable. The objective lens is fully coated and of superb quality for this price range. Because the Focal length is a long F13 this scope beats out many 'fast' scopes of equal lens quality. The views through this scope are crisp and vivid and even a full moon shows very little chromatic aberration. I had no trouble using the finder scope, if you know what you are doing the red dot finder scope works well also. The focuser tube is plastic but its of good quality and contains a baffle to reduce unwanted reflections. The tube is seamless aluminum with a beautiful dark metallic blue paint. I did make some small modifications that enhanced the performance of this telescope. I painted the inside of the dew shield a flat non reflective black because the plastic was a bit reflective. I got a non-reflective flat black camo paint from the home improvement store. I also upgraded the diagonal to a high quality dielectric diagonal which reflects 99% of the light. Of course some PLOSSI eyepieces are an improvement also. I use a 25mm and a 9mm. I also painted the part of the focuser tube that is inside of the OTA flat black since it was shiny chrome, then I used a laser collimator to adjust it back to center alignment with the objective lens. Right out of the box this is a great telescope. Don't be fooled by the price, yes you CAN get a really good telescope for less then $200 even though that is not what you may read in a lot of places, it's not the 1960's anymore! This is a nice high quality instrument that will provide years of good service. Remember, Galileo unlocked some of the mysteries of the universe with a tiny telescope. Enjoy!
    Date published: 2011-01-04
    Rated 4 out of 5 by from Great purchase Bought this telescope for the family for Christmas. My son, 8, and I absolutely love it! We spent half an hour last night looking at Jupiter and three of it's moons. Of course, it wasn't until we referenced the included software (TheSky running on Mac OS X) that we even knew what we were looking at. I am looking forward to taking it out where it's REALLY dark. My front lawn in Houston, TX is, obviously, not the ideal spot.
    Date published: 2011-01-03
    Rated 4 out of 5 by from Great starter telescope I bought this as a present for my boyfriend who has a big interest in space and he really likes it. It's great as a starter telescope for someone who is going to use it for fun rather than a really intense hobby. It's easy to set up and gives great views of the moon, even in a city with all the light pollution. But let's just say you're not going to be calling NASA to inform them of all the comets and meteors you've identified.
    Date published: 2010-06-21
    Rated 4 out of 5 by from Very pleased, more than what I expected. This was a Christmas gift for the grandchildren. The whole experience from the research of the product to the ease of the web site to receiving the product in short time was a blessing. I can not express what a positive experience this was.
    Date published: 2012-12-28
    Rated 4 out of 5 by from Quality telescope / Good deal I bought this for my Dad for his birthday. I was impressed by all the material included with the telescope and the quality of the telescope's construction. Good deal for amateur's telescope.
    Date published: 2011-08-16
    Rated 5 out of 5 by from Recomendo este telescpio. O telescpio no s atendeu minhas expectativas como as superou. Excelente capacidade e faclimo de manusear. Recomendo!
    Date published: 2017-03-22
    Rated 4 out of 5 by from Wonderful, Easy to Assemble, Very Pleased I have not actually looked through it yet, but I am very pleased with this telescope. It was a gift for my father. This is relatively simple to use, so it's good for beginners, and I expect that it will work well when I actually view through the lens. I would give it 5 stars, but I haven't technically observed any stars yet until I go upstate, so I leave it at 4 just based on its aesthetics, easy assembly, and professional aura without compromising its user-friendliness.
    Date published: 2015-12-27
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