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Celestron Astromaster 90AZ Refractor Telescope with 3 Axis Smartphone Adapter £94.99 @ Costco
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Celestron Astromaster 90AZ Refractor Telescope with 3 Axis Smartphone Adapter £94.99 @ Costco

£94.99£129.9527%Costco Deals
8
Posted 23rd FebEdited by:"Frank30uk"

This deal is expired. Here are some options that might interest you:

Now under £100 on Costco. Membership required to purchase (£15 per Annum).

The Celestron Astromaster 90AZ is a powerful and simple to use refractor telescope. The telescope includes a 90mm optical tube, an altazimuth mount and a pre-assembled tripod. Also in the box is the Celestron NeXYZ 3-axis smartphone adapter that will allow you to take images through the telescope (smartphone not included).

The Astromaster 90AZ offers erect image optics which will allow for views of the sky and on land in the correct orientation. With a dovetail mounting system, the telescope only takes a few moments to set up and pack down, for ultimate useability. The pan handle included on the mount design allows for smooth accurate pointing, and the starpointer finderscope will make it easy to target objects in the night sky. This telescope is great for viewing the craters and other detail on the moon, and planets - with the moons of Jupiter and rings of Saturn viable targets.

The included NeXYZ 3 axis smartphone adapter allows you to use your smartphone camera not only on this Astromaster Telescope, but most telescopes/binoculars/microscopes that use eyepieces from 35mm to 60mm in diameter. An included microscope adapter ring allows connection to standard 25mm microscope eyepieces. The platform accomodates a huge range of smartphones, usually with most phone cases still installed. The unique 3 axis design allows for centering adjustment left and right/up and down over the eyepiece and the distance between the phone's camera lens and the eyepiece.

Refractor Telescope:

A refractor telescope is the traditional expectation of what a telescope looks like. It features a long tube with an objective lens located at the front and the eyepiece at the back. Focusing takes place at the rear of the telescope whilst the front objective lens refracts the light gathered to form a crisp and high contrast image in the eyepiece. Refractor lenses are a rugged design with a sealed tube, making this the perfect choice for those new to star gazing and younger users. Refractors excel at moon and planetary observations, however are also capable of viewing stars.

Altazimuth Mount:

An Altazimuth mount or “AZ” is a simple design using two axes to support or rotate the telescope, restricted to up, down, left or right motions. Its simple design makes this mount easy to use and allows a quick manual adjustment by the user. The simplicity of use makes this mount a great choice for a beginner’s telescope, or as a secondary instrument for quick and easy use. The limitation of this type of mount is if you are planning to view one object all evening, constant small adjustments in all directions will be needed, as the stars and planets rise and set in the sky like the sun.

Features:

- Optical Design: Refractor
- Aperture: 90mm
- Focal Length: 1000mm
- Focal Ratio: 11
- Focal Length of Eyepiece 1: 20mm
- Magnification of Eyepiece 1: 50x
- Focal Length of Eyepiece 2:10mm
- Magnification of Eyepiece 2: 100x
- Finderscope: Built-on StarPointer
- Star Diagonal: Erect Image Diagonal - 1.25"
- Light Gathering Power (Compared to human eye): 165x
- Optical Coatings: Multi-coated
- Mount Type: Altazimuth
- Tripod: 1.25" steel tube legs

Features

Please Note:
Phone is not included.
Includes:
90mm Optical Tube, Altazimuth Mount , Pre-Assembled Tripod and a NeXYZ 3-Axis Smartphone Adapter
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8 Comments
Looking for one. Does anyone know if this is a good one
tharinduasanka23/02/2020 21:07

Looking for one. Does anyone know if this is a good one


Even i am looking for one. Great reviews on Amazon. Wait for someone to confirm
M17200823/02/2020 22:01

Even i am looking for one. Great reviews on Amazon. Wait for someone to …Even i am looking for one. Great reviews on Amazon. Wait for someone to confirm


I have the lower end 70AZ version of this and love it. Works well for astronomy and terrestial viewing (since it doesn't invert the image.) This seems a great price.
Looks a good price (the smartphone adaptor is well regarded and up to £40 on it's own) but please keep any expectations reasonable. This thread gives an idea what you can expect with a decent 4" refractor - slightly bigger than this one which is 3.5".
stargazerslounge.com/top…nts
Will give great views of the moon but even Jupiter and Saturn will be tiny - especially as they won't be in great positions in the sky for a year or two yet. I did also read a comment somewhere that the tripod is at it's limits with this scope so may struggle for stability which makes a big difference when using high magnification eyepieces for the planets.
This is a much better scope than most on here and is a good price, but if you're hoping for large close up views of the planets this isn't going to do that (but neither is anything else under £300).

Edit - and to get views similar to those pictures you'd need to add an additional stronger eyepiece at £20/£30.
Edited by: "girders" 23rd Feb
Someone who owns two high end premium telescopes and a mount, I can only say that this scope will only be good for viewing the moon. You might see some purple infringement around the edge of the moon but that should not really have much effect on the viewing experience. Viewing planets will be out of the question because all what you'll see is a featureless star like shinny big dot. Open clusters will be viewable but other than that no chance.

Hope this helps.
Edited by: "Ahmedrizwankhan" 24th Feb
Ahmedrizwankhan24/02/2020 06:16

Someone who owns two high end premium telescopes and a mount, I can only …Someone who owns two high end premium telescopes and a mount, I can only say that this scope will only be good for viewing the moon. You might see some purple infringement around the edge of the moon but that should not really have much effect on the viewing experience. Viewing planets will be out of the question because all what you'll see is a featureless star like shinny big dot. Open clusters will be viewable but other than that no chance.Hope this helps.


Talk about buzzkill, if this is what you can afford and you feel you would like to get into astronomy it is probably the best you will get for less than £100 without going for a dobsonian telescope (which tend to be a bigger apperture for same price but without a proper mount).
petermcgregor1424/02/2020 13:27

Talk about buzzkill, if this is what you can afford and you feel you would …Talk about buzzkill, if this is what you can afford and you feel you would like to get into astronomy it is probably the best you will get for less than £100 without going for a dobsonian telescope (which tend to be a bigger apperture for same price but without a proper mount).


Agreed but need to set the expectations right and not believe in the marketing spiel.
Ahmedrizwankhan24/02/2020 15:18

Agreed but need to set the expectations right and not believe in the …Agreed but need to set the expectations right and not believe in the marketing spiel.


I agree mate, I just tend to here a lot of if you can't afford a £500-1000 telescope dont even bother trying to get into astronomy which I think limits the hobby so much. It's a good hobby to get into, gets you outdoors etc and learning about the universe and so it should be encouraged as much as possible, though I appreciate most cheap telescopes offer the world and so people are often left disappointed when they actually use the telescope.
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