Prices verified May 28 · Always confirm at the retailer before buying.
The Verdict
Winner
Celestron AstroMaster 70AZ
Celestron AstroMaster 70AZ Telescope vs Koolpte Telescope 80mm Aperture 600mm, side by side
Pros:
- Crisp 2.76 inches fully coated optics
- StarPointer red dot finder speeds target acquisition
- Includes astronomy software
Cons (honest weight):
- Mount lacks slow-motion controls
- Only two eyepieces limit versatility
Pros:
- 3.15 inches aperture captures good light for the price
- Includes phone adapter and carrying bag
- Easy setup with no tools required
Cons (honest weight):
- Mount can be shaky at high magnification
- Finderscope is small and basic
Where each one wins
10 dimensions scored head-to-head. Celestron AstroMaster takes 4; Koolpte Telescope takes 3.
| Dimension | Celestron AstroMaster 70AZ Telescope | Koolpte Telescope 80mm Aperture 600mm | Winner |
|---|---|---|---|
| PriceKoolpte is $60 cheaper, appealing to budget buyers. | $159.99 | $99.99 | Koolpte Telescope |
| ApertureKoolpte gathers more light with its larger objective lens. | 70mm | 80mm | Koolpte Telescope |
| Focal LengthCelestron's longer focal length gives higher magnification potential. | 900mm | 600mm | Celestron AstroMaster |
| Mount TypeBoth use manual altazimuth mounts with pan handles. | Altazimuth | Altazimuth | Tie |
| GoTo CapabilityNeither telescope has computerized GoTo. | No | No | Tie |
| RatingCelestron has a slightly higher average rating. | 4.4 | 4.3 | Celestron AstroMaster |
| Review CountKoolpte has more total reviews, indicating wider use. | 3,773 | 3,914 | Koolpte Telescope |
| Best ForCelestron is the better all-around beginner scope. | Beginners wanting quality | Budget-conscious beginners | Celestron AstroMaster |
| Optical DesignBoth are achromatic refractors. | Refractor | Refractor | Tie |
| FinderscopeCelestron's red dot finder is easier to use than basic reflex. | Red dot (StarPointer) | Reflex | Celestron AstroMaster |
| Overall | 4 wins | 3 wins | Celestron AstroMaster |
Price — Koolpte wins for value
The Koolpte 3.15 inches costs $99.99, a full $60 less than the Celestron. For budget-limited beginners, that’s a significant savings.
In daily use, the Koolpte includes a phone adapter and carrying bag, while the Celestron packs astronomy software. The optical difference is noticeable: the Celestron has fully coated optics for sharper views.
If you can stretch the budget, the Celestron delivers better image quality. The Koolpte is the smart choice for casual moon-gazing on a shoestring.
Optics — Celestron delivers clarity
The Celestron’s 2.76 inches fully coated achromatic refractor provides crisp, contrasty images. Combined with a 35.43 inches focal length, it reaches higher magnifications.
The Koolpte’s 3.15 inches aperture catches more light, but its optics are only “fully coated” without anti-reflection enhancements. Views at high power show more chromatic aberration.
For planet and lunar observation, the Celestron’s superior coatings win. The Koolpte’s extra aperture helps on faint deep-sky objects like star clusters.
Mount and Finderscope — Celestron is easier
Both use altazimuth mounts, but the Celestron’s StarPointer red dot finder simplifies aiming. The Koolpte’s small reflex finder can be frustrating.
The Celestron mount has a smooth panhandle for tracking objects, while the Koolpte’s tripod can feel shaky at high power. Neither has slow-motion controls.
Beginners will appreciate the red dot finder’s intuitive interface. For those just starting out, the Celestron’s mount and finder make the learning curve gentler.
Accessories — Koolpte includes more
The Koolpte comes with a phone adapter, carrying bag, and a 5x24 finderscope. The Celestron includes a red dot finder, two eyepieces, and a free software download.
The Koolpte’s phone adapter lets you snap photos of the moon, a feature beginners love. Its carrying bag makes it portable for trips away from city lights.
If you want to share views on social media or need portability, the Koolpte’s bundle is more practical. The Celestron’s software helps learn the night sky.
Build Quality — Celestron feels more robust
Celestron, a trusted brand since 1960, uses sturdy aluminum and precise mechanics. The Koolpte is lighter and feels more budget-oriented in construction.
Users report the Koolpte’s tripod legs are adequate but not as stable as the Celestron’s. Over time, the Celestron’s components hold up better.
For long-term ownership, the Celestron’s build quality justifies the price difference. The Koolpte is fine for occasional use but may show wear sooner.
User Experience — Celestron is more beginner-friendly
With the red dot finder and straightforward setup, the Celestron gets beginners observing faster. The Koolpte requires more patience aligning the finder.
Both are easy to assemble — the Koolpte claims tool-free setup, and the Celestron takes about 15 minutes. Instructions are clear in both boxes.
Overall, the Celestron’s smoother operation and better finder give a more satisfying first experience. The Koolpte appeals to tinkerers who don’t mind a bit of fuss.
Value — The verdict depends on your priorities
The Celestron offers better optical quality and ease of use for $60 more. The Koolpte provides a larger aperture and more accessories at a lower price.
If you plan to use the telescope regularly, the Celestron repays the higher cost with superior views. If you’re unsure about your interest, the Koolpte is a low-risk entry point.
Our pick: spend $60 more on the Celestron for a telescope that will last years. The Koolpte is a capable backup for casual observation.
Which should you buy?
| Your situation | Pick | Why |
|---|---|---|
| Absolute beginner | Celestron AstroMaster 70AZ Telescope | Celestron’s red dot finder and straightforward setup reduce the learning curve. |
| Budget shopper | Koolpte Telescope 80mm Aperture 600mm | Koolpte offers the lowest price for an 80mm aperture telescope. |
| Parent buying for child | Celestron AstroMaster 70AZ Telescope | Easier to aim means less frustration for young stargazers. |
| Backyard stargazer | Celestron AstroMaster 70AZ Telescope | Better optics reveal more detail on planets and the moon. |
| Planet observer | Celestron AstroMaster 70AZ Telescope | Longer focal length and superior coatings deliver crisp planetary views. |
| Mobile user | Koolpte Telescope 80mm Aperture 600mm | Lighter weight and included carrying bag make it easy to transport. |
| Value seeker | Koolpte Telescope 80mm Aperture 600mm | Largest aperture per dollar with phone adapter for sharing. |
Celestron’s red dot finder and straightforward setup reduce the learning curve.
Koolpte offers the lowest price for an 80mm aperture telescope.
Easier to aim means less frustration for young stargazers.
Better optics reveal more detail on planets and the moon.
Longer focal length and superior coatings deliver crisp planetary views.
Lighter weight and included carrying bag make it easy to transport.
Largest aperture per dollar with phone adapter for sharing.
What if neither is right?
Celestron NexStar 130SLT Computerized Telescope
$629.99
Step up to a 130mm reflector with GoTo tracking for automated stargazing.
Celestron StarSense Explorer DX 130AZ App-Enabled Telescope
$439.99
Use your smartphone as a guided tour of the night sky with 130mm aperture.
Celticbird Telescope 80mm Aperture 600mm
$99.99
Another budget 80mm refractor with similar specs to the Koolpte.
Frequently Asked Questions
Is the Celestron AstroMaster 70AZ worth the extra $60?
Yes, for regular stargazing. You get noticeably sharper images, a red dot finder that makes aiming effortless, and a more robust build. The Koolpte is fine for occasional moon-gazing, but the Celestron is money well spent for a serious hobby.
Which telescope has better optics?
The Celestron has better optical quality with fully coated glass and a longer focal length (35.43 inches vs. 23.62 inches). This means sharper views at high magnification and less chromatic aberration. The Koolpte has a larger objective, but the optical coatings are not as advanced.
Can I take smartphone photos with these telescopes?
The Koolpte includes a phone adapter in the box, making it easy to snap moon shots. The Celestron does not come with one, but you can buy a third-party adapter for about $10–15. Both can work for lunar photography.
Are these telescopes suitable for a child?
Both are good for kids aged 10 and up. The Celestron’s red dot finder is easier for children to use, and its shorter tube is less intimidating. The Koolpte is lighter and cheaper, but the mount can be frustrating for small hands.
Do I need any extra accessories?
The Celestron includes two eyepieces and a software download, which is enough to start. The Koolpte includes a phone adapter and carrying bag. Both benefit from a moon filter (included with Koolpte) and a stable table for setup. No urgent accessories required.
We analyzed 7,687 verified Amazon reviews across two telescopes, cross-referenced manufacturer specs, and consulted expert sources. Prices updated weekly from Amazon.
Who wrote this and where's the data from?
Mubboo Editorial Team — independent US-market consumer research. Picks reflect editorial consensus from 4 independent review sources and 7,687+ verified buyer reviews.