Dianfan Telescope 90mm Aperture 800mm Refractor - Portable Stargazing

In this review the Dianfan 90mm 800mm refractor is examined as an entry-level yet capable telescope for adults and families. The bottom line: it is best for beginners who want a portable, easy-to-assemble instrument that still delivers noticeably sharp lunar and planetary views. The review finds the large 90 mm objective and fully coated optics give brighter, clearer images than smaller beginner scopes, while the included tripod, eyepieces and phone adapter make it useful for casual astrophotography and terrestrial observing.

Key Features

• 90 mm aperture: The large objective lens gathers more light than typical beginner scopes, producing brighter and clearer views of the Moon and planets.
• 800 mm focal length: This focal length balances field of view and magnification, making both lunar detail and some planetary observing straightforward.
• Fully coated optics: High-transmission coatings improve contrast and color, which helps reveal crater edges and subtle details on bright targets.
• Three Barlow and two eyepieces: The included eyepieces and 3x Barlow multiply magnification options, allowing closer looks at lunar seas and Jupiter when conditions permit.
• Portable kit: The stainless steel tripod, carry bag and lightweight tube make the setup easy to transport for travel or backyard sessions.
• 45 degree zenith mirror: Upright, correctly oriented images make the scope practical for daytime terrestrial viewing and simple framing with a phone adapter.

Who It's For

The Dianfan 90x800 is aimed at adults, families and beginners who want a straightforward, practical telescope that does not require advanced setup. It is a good fit for hobbyists who plan evening sessions to observe the Moon, bright planets and larger deep-sky objects, and for people who value portability and an included carry bag.

Those who need extreme high-resolution planetary imaging, a computerized mount, or a very wide field for deep-sky astrophotography should look elsewhere. Advanced users seeking heavier-duty mounts or larger apertures will find this more of an introductory instrument.

Pros & Cons

Pros

• Strong optical value from a 90 mm fully coated objective that improves clarity and contrast.
• Flexible magnification options with two eyepieces and a 3x Barlow for a range of targets.
• Portable and easy to set up, with a stainless steel tripod and carry bag praised by users.
• Upright images via the 45 zenith mirror make terrestrial viewing simple and intuitive.

Cons

• As a beginner-friendly refractor, it lacks motorized tracking and advanced mounts for long exposure astrophotography.

Specifications

Brand	Dianfan
Aperture	90 mm
Focal length	800 mm
Optics	Fully coated objective lens
Included accessories	Two eyepieces, 3x Barlow lens, 45 zenith mirror, phone adapter, stainless tripod, carry bag
Mount / Tripod	Stainless steel tripod (portable)

Our Verdict

The Dianfan 90mm 800mm refractor is a strong entry-level choice for beginners and casual observers who want tangible lunar and planetary detail without a steep learning curve. Its combination of a large, fully coated objective, versatile magnification accessories and portable tripod delivers solid performance and value for families and travelers, though serious astrophotographers will want a dedicated tracking mount.

Frequently Asked Questions

Is this telescope suitable for beginners?
Yes. The Dianfan is designed for easy assembly and use, with clear instructions and a setup time of around 15 minutes, making it beginner-friendly.

Can I use a smartphone to photograph the Moon?
Yes. A phone adapter is included and works well for casual lunar and terrestrial shots when the telescope is well focused and steady.

Does it work for daytime birdwatching?
Yes. The 45 degree zenith mirror provides upright images, so the scope is practical for terrestrial observation and wildlife viewing as well as astronomy.