The most aperture per dollar, and an alignment to keep · review
Celestron's StarSense Explorer DX 130AZ: a 130 mm Newtonian on a manual alt-azimuth mount with dual-axis slow motion, whose phone dock and app read the stars overhead and guide the observer to a target.
StarSense turns a docked phone into a guide. The app photographs the stars overhead through a mirror, recognizes the pattern and works out where the telescope points. Arrows on the screen lead to the target; when the bullseye turns green, it is in the eyepiece. The app also lists the best objects for the current time and location, from the city or a dark site.
A 130 mm (5.1 in) Newtonian with high-reflectivity coatings, on a manual alt-azimuth mount with slow-motion controls on both axes. Celestron names the Moon, Jupiter, Saturn, the Orion Nebula and the Andromeda Galaxy.
On November 7, 2026 it cost $499.95. A conventional 130 mm Newtonian costs a good deal less; the difference is StarSense. For a beginner who would otherwise give up on finding things, that is money well spent.
The focal length and the eyepieces supplied are not listed in the bullets.
On November 7, 2026, Amazon.com sold it directly at $499.95. Celestron states a 2-year US warranty.
Figures as Keepa reported them on the day this page was last updated. Stock and pricing shift without warning.
Prices quoted in this text were read on November 7, 2026. The live price is at the top of the page.
Same aisle, closest price — what the same spend else shows.
| Aperture | 130 mm (5.1 in), stated |
|---|---|
| Focal length and ratio | Not published in the Amazon.com listing. |
| Optical design | Newtonian reflector with high-reflectivity coatings |
| Mirror coating | High-reflectivity coatings, stated |
| Secondary obstruction | Not published by the maker. |
| Focuser type | Not published by the maker. |
| Collimation access | Not published by the maker. |
| Tube length | Not published by the maker. |
| Mount supplied | Manual alt-azimuth with dual-axis slow-motion controls · StarSense phone dock |
| Supplied accessories | StarSense smartphone dock and app (sky recognition, target list) |
| Amazon reference | B083JRF1MH |
| EAN | 0050234224611 |
A docked phone photographs the sky through a small mirror. The app recognizes the star pattern, works out where the tube points, and shows arrows to the target; when the bullseye turns green, the target is in the eyepiece.
No. The mount is manual; the slow-motion knobs follow an object by hand. StarSense only finds.
It has a full tripod and slow-motion controls; the [tabletop 130](/reviews/dobsonian-telescopes-celestron/) needs a table and has neither, for about $70 less.
8.4/ 10
A conventional 130 mm Newtonian whose value sits almost entirely in the finding system bolted to the side of it.
This model is listed on Amazon.com, at ≈ $500 at the last reading. Listed is not the same as in stock: availability changes daily, and the buy box shows the live price.
Details checked on November 7, 2026.
A beginner who wants to see things this month rather than learn to star-hop first
Amazon reports what buyers took in the month before this page was last checked: at least 100.
The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.
Specifications: the manufacturer sheet for telescopes and observing optics and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
114 mm (4.49 in) mirror · 900 mm (35.4 in) focal length · f/7.9 · alt-azimuth mount
A 114/900 Newtonian reflector on a simple alt-azimuth mount and aluminum tripod, supplied with 25, 9 and 4 mm eyepieces, a 6x30 finder, a 1.5x erecting lens and a 3x Barlow.
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114 mm (4.5 in) Newtonian · German equatorial with slow-motion altitude rod · 20 mm and 4 mm eyepieces · 3x Barlow
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Best for: A first equatorial reflector bought on price
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127 mm (5 in) Newtonian · German equatorial with slow-motion altitude rod · 20 mm and 4 mm eyepieces · 3x Barlow
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Best for: The most aperture on this shelf for about $200
≈ $200
