Dianfan Telescope,90mm Aperture 800mm Telescopes for Adults Astronomy,Portable Professional Refractor Telescope for Beginners
4.5 | 750 ratings
Price: 169.99
Last update: 03-06-2026
About this item
- Superior Optics: Dianfan astronomy telescope features a focal length of 800 mm and a fully coated 90 mm objective lens. The large aperture gathers more light for brighter, clearer views, high-transmission coatings enhance contrast and color for sharp, vivid images for an enjoyable stargazing experience
- Powerful Magnification: With two eyepieces and a 3× Barlow lens, this telescope offers 32×–240× magnification. It allows you to observe craters and lunar seas on the surface of the Moon. With the 45° zenith mirror, images are upright and correctly oriented for terrestrial viewing, making distant targets details easier to observe. The telescope is ideal for beginners and astronomy enthusiasts
- Quick Setup & Beginner-Friendly: User-friendly design with clear instructions makes assembly simple—ready in about 15 minutes. Smooth focusing helps you quickly locate targets. Perfect for kids and families to enjoy stargazing and explore the night sky together
- Portable & Versatile: Lightweight design with a sturdy stainless steel tripod ensures stable, steady viewing. Easy to carry in the included bag, making it perfect for travel and outdoor adventures. Suitable for stargazing, birdwatching, wildlife observation, and exploring cityscapes
- Professional Astronomical Telescope: The Dianfan 90x800 telescope combines quality , functionality and reliability. It delivers high-resolution views that bring the universe closer. Designed for adults high powered, it inspires interest in astronomy and science while encouraging exploration of the starry sky
Product information
Features & Specs
| Eye Piece Lens Description | Kellner |
|---|---|
| Mount | Altazimuth Mount |
| Focus Type | Manual Focus |
| Finderscope | Straight-Through |
| Compatible Devices | Smartphone |
| Coating | Fully Coated |
| Focal Length Description | 800 millimeters |
| Field Of View | 20.17 Degrees |
| Zoom Ratio | 240 |
| Additional Features | High-quality, fully coated lenses and 45° zenith mirror for upright terrestrial viewing |
Warranty & Support
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Dianfan Telescope,90mm Aperture 800mm Telescopes for Adults Astronomy,Portable Professional Refractor Telescope for Beginners,with Stainless Tripod & Phone Adapter,Carry Bag
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Measurements
| Optical-Tube Length | 800 Millimeters |
|---|---|
| Objective Lens Diameter | 90 Millimeters |
| Item Dimensions D x W x H | 31"D x 11"W x 5"H |
| Exit Pupil Diameter | 0.26 |
Item details
| Brand | Dianfan |
|---|---|
| Model Name | 90800 |
| Manufacturer | Dianfan |
| Manufacturer Part Number | DIANFAN-90800-2 |
| Model Number | 90800 |
| Warranty Description | 2 years |
| Best Sellers Rank |
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| ASIN | B0CPTTMW9Q |
| Customer Reviews | 4.54.5 out of 5 stars(749) 4.5 out of 5 stars |
Top reviews from the United States
- Aaron G.Nice telescope for a beginner! Great accessory bundle.Well packed, nice clear guide, relatively easy assembly (took me 15-20 minutes for initial assembly, another 5 or so outside to tweak the sighting scope). Seems like a solid bargain for the price, more details below.
This is my first telescope, so I can't compare to others. It feels like the times are thin metal whereas most if the ends, etc are plastic. Glass lenses. Everything came neatly packed and wrapped into the carry case, inside a cardboard box, inside another cardboard box. Considering some components are I think somewhat fragile, this seemed like the right amount of packaging. Some of the adjustments on the tripod feel a bit stiff to me compared to some of my camera tripods, but feels like decent construction. Used it outside tonight for the first time. Inside town with nearby lights, but clear skies. Located I think Jupiter, but it just looked like a bright dot to me ;) Much better results looking at the moon where I was able to tell what I was doing with the focus and get a nice beautiful sharp image. The moon was very high in the sky and I had to sit on the ground to use it, but well worth it. I was only using the 25mm eyepiece this time as it was my first try. Going to try out the phone adapter for pictures next time, then maybe another time the 3x Barlow lens and 10mm eyepiece to see if I can get a better view of a planet.
The top mount for a phone was handy for using an app to quickly locate planets/constellations/etc (I tried the recommended Stellarium app this time). - WallEA Stellar Starter Scope – Dianfan Brings the Moon Closer Than Ever!This Dianfan telescope is an absolute win for anyone diving into astronomy — whether you’re a wide-eyed beginner or a backyard stargazer looking to upgrade from the toy-level stuff. Right out of the box, it looks and feels professional. The stainless steel tripod is sturdy, the scope itself is well-built, and the whole setup is intuitive and satisfying to assemble.
Once aligned, this 90mm aperture with 800mm focal length delivers some truly sharp views. I was able to see crisp details on the Moon’s surface that felt almost surreal — craters, shadows, and even a hint of texture. Saturn’s rings? Visible. Jupiter’s moons? Yep, those too. It’s not just hype — this thing delivers real celestial payoff.
The included eyepieces (10mm and 25mm) are great for switching between wide-field and close-up views, and the phone adapter is a genius touch — within minutes, I was snapping moon photos that looked like they came from a much pricier rig. Even the carry bag is a plus for portable stargazing nights.
What really makes this telescope shine is how approachable it is. No tech snags, no complex calibration — just clear directions and a fun, frustration-free setup that lets you spend more time looking up than looking clueless.
Final Verdict:
If you’re ready to dip into astronomy or upgrade from a cheap scope, the Dianfan telescope hits the sweet spot between user-friendly and impressive. - Gustavo S."Clarity and Quality: Revealing the Secrets of the Dianfan Telescope"When I decided to venture into the fascinating world of astronomy, I chose the perfect telescope to start this journey: an entry-level model with excellent value for money that exceeded all my expectations. From the moment I received it, it was clear that I was in front of a special equipment.
One of the most striking experiences was when I aimed the telescope at the Moon and was amazed to see its craters with impressive clarity. And it didn't stop there. By adjusting the lens to Saturn, I could visualize the planet, and for the first time, I identified its rings!
In addition to the exceptional optical quality, the ease of use and assembly was another highlight. Without the need for tutorials or complex readings, I set up the telescope in a matter of minutes. This simplicity made my experience even more rewarding and accessible.
The strength and durability of the parts, such as the sturdy metal stand, ensured a firm base for our night observations, without sways or vibrations. The inclusion of the phone adapter was a pleasant surprise. The carrying bag also proved very useful, being spacious enough to safely store all components, avoiding any damage or loss.
But what really makes this telescope special goes beyond its functionality. It has become a tool to spark children's interest in astronomy. Observing the night sky together has become an exciting activity, stimulating their intelligence and curiosity in incredible ways.
If you are looking for an affordable, quality, and easy-to-use equipment to start your astronomical journey, look no further. This is the telescope you've been waiting for! I highly recommend it. - AnudeepPerfect Telescope for Stargazing – Stunning Views of the Moon! ????✨I’m absolutely thrilled with this 90mm Aperture 800mm Telescope from the Dianfan Store! As a beginner in astronomy, I found it incredibly easy to set up — I had it ready for stargazing in no time! The quality of the images is simply breathtaking. I aimed it at the moon, and the detail was unbelievable — I could clearly see craters and surface textures I’d never noticed before. ????????
The stainless tripod is solid, providing excellent stability, and the phone adapter makes it effortless to capture those magical celestial moments. The star-seeking phone holder is a brilliant feature for finding and tracking stars or planets with ease. Plus, the carrying bag is a lifesaver for portability!
If you’re looking for a professional yet beginner-friendly telescope that will open up the universe to you, this one is a must-have. Highly recommended for anyone who wants to experience the wonders of the night sky! ????