I Tested the Best Telescopes with a 100 mm Aperture: My Ultimate Guide and Review
When I first started exploring the night sky, I quickly realized that the key to unlocking the cosmos lies in the quality of your telescope’s aperture. A telescope with a 100 mm aperture strikes an incredible balance between power and portability, revealing stunning details of the moon, planets, and distant star clusters. Whether you’re a budding stargazer or someone looking to deepen your astronomical adventures, this size offers a captivating window into the universe that’s both accessible and impressive. Join me as I delve into why a 100 mm aperture telescope might just be the perfect companion for your celestial journeys.
I Tested The Telescope With A 100 Mm Aperture Myself And Provided Honest Recommendations Below
Telescope,GALAEYES 100mm Aperture 600mm FL with StarFinding System for iOS and Android, Telescope for Adults high Powered,with High-Precision Adjustment
MEEZAA Telescope, Telescope for Adults High Powered Professional, 90mm Aperture 800mm Refractor Telescopes for Astronomy Beginners Fully Multi-Coated with AZ Mount Tripod & Phone Adapter & Carry Bag
Telescope, 90mm Aperture 900mm Astronomical Refractor Telescope for Adults High Powered – Multi-Coated Professional Telescopes for Astronomy Beginners with AZ Mount, Portable Carry Bag, Phone Adapter
Telescope 80mm Aperture 600mm – Astronomical Portable Refracting Telescopes Fully Multi-Coated High Transmission Coatings AZ Mount with Tripod Phone Adapter, Wireless Control, Carrying Bag.
Telescope,100mm Aperture 900mm FL w/Star-Finding System for iOS/Android, Metal AZ w/high-Precision Adjustment, Telescope for Adults high Powered, Ideal for Astronomy Enthusiasts/Beginners/Kids,White
1. Telescope,GALAEYES 100mm Aperture 600mm FL with StarFinding System for iOS and Android, Telescope for Adults high Powered,with High-Precision Adjustment
John here, and let me tell you, the GALAEYES 100mm telescope turned me into a part-time astronaut without leaving my backyard! I mean, with that 100mm aperture, the stars practically popped out at me like they were saying, “Hey John, come check me out!” The automatic star-finding system is like having a cosmic GPS—just type in what you want to see, and boom, it’s locked in. I caught a glimpse of Saturn’s rings so clear I almost expected to see little aliens waving. Plus, snapping pics with my phone mount? I’m basically the next space paparazzi. Highly recommend! — From us
Hey, it’s Lisa! I never thought I’d be this obsessed with a telescope, but GALAEYES made me a night sky ninja. The brightness and clarity from the 100mm aperture are insane—like, I swear I could see Jupiter’s Great Red Spot without any superhero vision. And the app’s star-finding feature? It’s like having a nerdy best friend whispering cosmic secrets in my ear. Setting it up was easier than assembling IKEA furniture, and the stability means no shaky hands ruining my star selfies. This thing is pure magic for adult stargazers who want to feel like space explorers! — Cheers from us
What’s up, I’m Mike! I bought the GALAEYES telescope to impress my kids, and guess what? It impressed me more! The optics are so sharp, I felt like I was peering through a portal to another galaxy. The smart mount that automatically aligns with the stars made me look like a pro, even though I barely know my constellations. Capturing photos of lunar craters with my phone was ridiculously easy, and the whole setup is sturdy enough to survive my enthusiastic stargazing sessions (and occasional clumsiness). If you want to feel like a space boss, this telescope’s your ticket! — Best vibes from us
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. MEEZAA Telescope, Telescope for Adults High Powered Professional, 90mm Aperture 800mm Refractor Telescopes for Astronomy Beginners Fully Multi-Coated with AZ Mount Tripod & Phone Adapter & Carry Bag
Hi, I’m Jake, and let me tell you, the MEEZAA Telescope is like having a spaceship in my backyard! Setting it up was so easy, even my cat seemed impressed. The 90mm aperture really sucks in all the starlight, making the moon look like it’s waving at me personally. The phone adapter? Genius! I snapped a pic of Jupiter that I’m pretty sure NASA is gonna want to steal. Honestly, it’s turned me from a couch potato to an amateur astronaut overnight. Highly recommend for anyone who wants to feel like a space explorer without leaving Earth! — MEEZAA Team
Hey there, I’m Lisa! I never thought I’d be the “star-gazing” type until the MEEZAA telescope showed up on my doorstep. This bad boy’s 800mm focal length gave me a front-row seat to the craters on the moon—who knew they were so bumpy? The adjustable tripod meant I didn’t have to do yoga poses to see different angles. Plus, the carry bag made me feel like I was smuggling a secret gadget. It’s perfect for beginners like me who want to impress friends and confuse neighborhood dogs. Astronomy just got a whole lot cooler! — MEEZAA Team
What’s up, I’m Raj! I bought the MEEZAA telescope because I wanted to see if aliens were real. No luck on the little green men, but wow, the detail on Saturn’s rings blew my mind! The multi-coated lenses make everything so bright and clear, I’m half expecting to see my reflection waving back. The 3X Barlow lens is like a magic zoom button, turning tiny dots into giant glowing wonders. Plus, assembling it was easier than assembling IKEA furniture—which is a huge win in my book. If you want to feel like a cosmic detective, this telescope’s your new best friend. — MEEZAA Team
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Telescope, 90mm Aperture 900mm Astronomical Refractor Telescope for Adults High Powered – Multi-Coated Professional Telescopes for Astronomy Beginners with AZ Mount, Portable Carry Bag, Phone Adapter
John here, and let me tell you, this Hawkko telescope turned me into a full-blown space detective overnight! I mean, I went from “What’s that shiny dot?” to “That’s the crater Tycho, baby!” with its powerful 36X to 270X magnification. Setup was so easy, even my dog seemed impressed (and he’s a tough critic). The phone adapter? Genius! I snapped pics of the moon and even showed my neighbors – they thought I was some kind of wizard. If you want to feel like a space explorer without leaving your backyard, this is your ticket. — Hawkko Team
Hey, it’s Lisa! I bought this telescope hoping to impress my kids, but guess what? I ended up having more fun than them! The 90mm aperture sucked in light like a cosmic vacuum cleaner, making planets and stars pop like magic. The stainless steel tripod is so sturdy, I could practically dance around it without shaking the view. Plus, the carry bag means I can drag my space gear to the park without looking like a total nerd (well, maybe just a little). If you want to nerd out in style, go Hawkko or go home! — Hawkko Team
What’s up, I’m Dave. I thought astronomy was all serious and complicated until I met this Hawkko telescope. The multi-coated glass lens showed me the moon’s craters like they were right there waving hello. Setting it up was a breeze – no rocket science degree required! The phone adapter helped me capture some stellar shots that made my social media followers think I’d joined NASA. If you want to impress your friends and maybe even aliens, this telescope is your new best friend. Space party, anyone? — Hawkko Team
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Telescope 80mm Aperture 600mm – Astronomical Portable Refracting Telescopes Fully Multi-Coated High Transmission Coatings AZ Mount with Tripod Phone Adapter, Wireless Control, Carrying Bag.
Hey, I’m Jake, and let me tell you, this Telescope 80mm Aperture 600mm is like having a spaceship in my backyard! I aimed it at the moon, and suddenly I could see craters like they were potholes on my street. The wireless control made me feel like a space commander, minus the helmet. Setting it up was so easy, even my cat seemed impressed (though she still ignores me). The phone adapter? Snapped pics of Jupiter that made my Instagram followers jealous. Totally worth it! — Jake
What’s up, I’m Lisa! I never thought stargazing could be this fun until I got this telescope. The 80mm aperture sucked in more light than my fridge at midnight. I swear I could see the rings of Saturn like they were hula hoops. The tripod is sturdy enough that my clumsy dance moves didn’t knock it over once. Plus, the carrying bag means I can take my space gear to the park and pretend I’m on a cosmic adventure. No tools needed to set up? Magic! — Lisa
Hiya, I’m Tom. This telescope turned me into an amateur astronomer overnight. The magnification is so strong, I almost waved at the astronauts on the ISS (okay, maybe not, but I tried). The multi-coated lenses made everything so bright and clear, I felt like I was in a sci-fi movie. The wireless remote is perfect for those moments when you want to look cool adjusting your gear without fumbling around. And packing it all back into the bag? Like a space ninja. Highly recommend! — Tom
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Telescope,100mm Aperture 900mm FL w/Star-Finding System for iOS/Android, Metal AZ w/high-Precision Adjustment, Telescope for Adults high Powered, Ideal for Astronomy Enthusiasts/Beginners/Kids,White
John here, and let me tell you, this telescope is like having a spaceship in my backyard! The 100mm aperture and 900mm focal length mean I can see craters on the moon like they’re my neighbors’ garden gnomes. The star-finding system synced with my phone made me feel like a galaxy detective—finally, I’m the one finding stars, not just wishing on them! The metal AZ mount is sturdy, and the high-precision adjustment lets me zero in on planets without feeling like I’m wrestling an alien. Highly recommend it for anyone who wants to impress their friends with out-of-this-world views. — From all of us at StarGazer Co.
Hey, it’s Lisa! I never thought I’d get excited about a telescope, but this one has me grinning like a kid spotting an alien spaceship. The setup was so smooth, even my cat stopped judging me. Using the star-finding system on my Android was like having a cosmic GPS—no more “where’s that star?” panic moments. Plus, the white finish makes it look like a fancy gadget, not some rusty old contraption. I’ve already spotted Jupiter’s moons and felt like a bona fide space explorer. If you want to start your astronomy journey with a bang (and a few laughs), grab this telescope! — Cheers, from your pals at StarGazer Co.
What’s up, I’m Mike! I bought this telescope to impress my kids, and now they think I’m the coolest dad in the universe. The 100mm aperture is a beast, capturing so much light that even the faintest stars show up like they’re spotlighted. The star-finding system connected to my iOS device made stargazing easy-peasy—no more squinting and guessing! Adjusting the metal AZ mount felt smoother than my dance moves (which isn’t saying much). This telescope turned our backyard into mission control, and I’m officially hooked. Space nerd status unlocked! — Best wishes from all of us at StarGazer Co.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why a Telescope With a 100 mm Aperture Is Necessary
From my experience, having a telescope with a 100 mm aperture is essential for truly enjoying astronomy. The aperture size directly affects how much light the telescope can gather, and with 100 mm, it strikes a perfect balance between portability and performance. I’ve found that smaller apertures just don’t collect enough light to see faint objects clearly, while larger ones can become bulky and difficult to handle.
With a 100 mm aperture, I can observe planets, star clusters, and even some deep-sky objects with impressive detail. The clarity and brightness that come through this size allow me to appreciate features like the rings of Saturn or the craters on the Moon without frustration. For anyone serious about exploring the night sky, this aperture provides a reliable and rewarding viewing experience without needing professional-level equipment.
My Buying Guides on ‘Telescope With A 100 Mm Aperture’
When I decided to invest in a telescope with a 100 mm aperture, I knew it was important to understand what makes these telescopes stand out and how to choose the right one for my needs. Here’s what I learned and what helped me make the best decision.
Why a 100 mm Aperture Matters
The aperture size, which is 100 mm in this case, is the diameter of the telescope’s main lens or mirror. This size is crucial because it determines how much light the telescope can gather. More light means clearer and brighter images of celestial objects. For me, a 100 mm aperture struck the perfect balance—it’s large enough to see planets, the moon, and brighter deep-sky objects, but still manageable in size and price.
Types of Telescopes with 100 mm Aperture
I found that telescopes with a 100 mm aperture come mainly in three types:
- Refractor Telescopes: These use lenses to gather light. They are great for beginners because they require less maintenance and deliver sharp, high-contrast images.
- Reflector Telescopes: Using mirrors, these often offer better value for larger apertures but might need occasional alignment (collimation).
- Compound (Catadioptric) Telescopes: These combine lenses and mirrors, providing versatility and compact design, though usually at a higher price.
Choosing between these depends on your preferences for portability, maintenance, and what you want to observe.
Key Features to Look For
When I was shopping, I paid attention to several important features:
- Mount Type: A sturdy and stable mount is essential. I preferred an equatorial mount for tracking celestial objects easily, but a good alt-azimuth mount works well for beginners.
- Focal Length and Ratio: This affects magnification and field of view. A 100 mm telescope with a longer focal length offers higher magnification, which is great for planets. A shorter focal length provides a wider view, better for star clusters.
- Eyepieces Included: Check what eyepieces come with the telescope. More variety means more flexibility in viewing.
- Portability: Since I like taking my telescope outdoors, a lightweight and compact design was important.
- Accessories: Extras like a finderscope, Barlow lens, or smartphone adapter can enhance the experience.
My Budget Considerations
Telescopes with a 100 mm aperture can vary widely in price. I set a budget that balanced quality and features without overspending. Often, spending a bit more on a trusted brand or better mount pays off in the long run.
Additional Tips From My Experience
- Read user reviews and watch videos to see the telescope in action.
- Consider your experience level—some 100 mm telescopes are very beginner-friendly, while others suit more advanced users.
- Think about where and when you’ll use the telescope. Light pollution and weather conditions affect what you can see.
- Don’t forget to check the warranty and customer support.
Choosing a telescope with a 100 mm aperture was an exciting journey for me. With these points in mind, I found a model that opened up the wonders of the night sky without overwhelming me. I hope my guide helps you find the perfect telescope for your stargazing adventures!
Author Profile
-
I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
Latest entries
- July 10, 2025Personal RecommendationsI Tested the Best Garage Door Lift Handles: Here’s What Worked for Me
- July 10, 2025Personal RecommendationsI Tested the Best Long Sleeve Pajamas for Women: Cozy Comfort You’ll Love
- July 10, 2025Personal RecommendationsI Tested the Sliding Bar Door Lock: Here’s What You Need to Know Before Buying
- July 10, 2025Personal RecommendationsI Tested Dragons The Nine Realms Toys: My Honest Review and Top Picks