1 / 7Fuoibl BY-001 70 mm Refractor Telescope, 300 mm Focal Length
Focal Length: The Fuoibl BY-001 is a beginner-oriented refractor telescope listed with a 70 mm objective, multi-coated optics, and phone-adapter photography. Its manual focus and claimed 15X–150X range suit introductory Moon viewing, while the stated accessory and magnification details should be checked against the selected listing.
At a glance
- The listing describes a 70 mm objective and fully multi-coated optics for beginner observation.
- A 300 mm focal length and claimed 15X–150X magnification range are paired with 6 mm and 20 mm eyepieces and a 3X Barlow lens.
- Phone adapter and wireless remote are claimed for capturing images with a smartphone.
- The listing claims tool-free assembly and an adjustable tripod extending up to 45 inches.
Often bought together
Pros and cons
Pros
- The included eyepieces and Barlow lens give beginners multiple stated viewing options without buying separate eyepieces immediately.
- Smartphone compatibility and the claimed phone holder and remote add a way to try telescope photography.
- A reflex finderscope and altazimuth mount support basic target acquisition and manual pointing.
Cons
- Manual focus requires the observer to adjust focus by hand, which may take practice when changing targets or eyepieces.
- The listed focal length and aperture are beginner-class specifications, so this is better suited to introductory viewing than buyers seeking a more capable observing setup.
Technical specifications
14 specifications| Brand | Fuoibl |
|---|---|
| Model | BY-001 |
| Objective lens diameter | 7 centimeters |
|---|---|
| Focal length | 300 millimeters |
| Optical tube length | 30 centimeters |
| Optics coating | Fully Multi-Coated Optics |
| Focus type | Manual Focus |
| Listed magnification range | 15X-150X |
| Mount | Altazimuth Mount |
|---|---|
| Finderscope | Reflex |
| Compatible device | Smartphone |
| Dimensions listed | 13.7"D x 5.5"W x 40.5"H |
|---|
| Battery requirement | 1 Nonstandard Battery batteries required. (included) |
|---|---|
| Warranty description | 3 Year |
What to know before buying
Listing details to confirm
Listing details are inconsistent: the specification table gives a 7 centimeters objective and 30 centimeters optical tube length, while the title and feature copy call these 70 mm and 300 mm. The product details call the finderscope Reflex, while feature copy names a 5x24 finderscope, and the listed 15X-150X range is not fully explained by the eyepiece and Barlow descriptions. Confirm these details and the phone adapter, wireless remote, tripod, and other accessories in the selected listing before purchase. The finderscope image is described as inverted, which the listing says is normal.
Who is it for?
A good fit for
- First-time stargazers and families seeking a manual telescope for introductory Moon observation.
- Buyers who want to try smartphone imaging and are comfortable learning manual focus and target alignment.
Less suited to
- Experienced observers seeking detailed specifications or a confirmed accessory kit before purchase.
- Buyers who want automatic tracking or a motorized mount. The listed mount is altazimuth.

Customer reviews on Amazon
- 5 stars
86% 86% - 4 stars
6% 6% - 3 stars
5% 5% - 2 stars
0% 0% - 1 star
3% 3%
Customer feedback highlights beginner suitability, setup ease, educational use, and positive impressions of image quality, including Moon viewing. Customers also describe the telescope as lightweight and visually appealing. These reports align with the listing's manual beginner-oriented design and claimed Moon-viewing use, but do not establish optical performance for every observer. The ratings are mostly five-star, with a small share of lower ratings, so experiences are not uniformly positive.
Positive themes
- Customers praise beginner suitability and ease of setup.
- Feedback mentions educational use for families and positive image quality, including Moon viewing.
- Customers also describe it as lightweight and visually appealing.
Frequently asked questions
Is the Fuoibl BY-001 suitable for a first telescope?
Customer feedback describes it as beginner-friendly and easy to set up. It has manual focus and an altazimuth mount, so users should expect to learn basic aiming and focusing.
What magnification does the listing claim?
The title and feature copy claim 15X–150X and mention 6 mm and 20 mm eyepieces plus a 3X Barlow lens. The listing does not clearly reconcile those components with the claimed range, so verify the details before buying.
Can it take photos with a smartphone?
The listing claims smartphone compatibility and describes an included phone holder and wireless remote. Confirm the accessories are included with the selected listing.
Is an inverted finderscope image a problem?
The listing says an inverted image in the finderscope is normal. It recommends observing through the eyepiece.

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