1 / 7Aurosports 20x70 Binoculars, 70 mm Objective Lenses
Aurosports 20x70 binoculars pair a listed 20x magnification with 70 mm objective lenses for birdwatching, outdoor viewing and stargazing. The listing specifies manual focus and says they are not water resistant. Customer feedback is positive about vision and quality but raises doubts about whether the magnification matches the claim.
At a glance
- The listing claims 20x magnification and 70 mm objective lenses, and specifies a BAK-4 prism and anti-reflective coating.
- The manufacturer says the lenses gather light for dim conditions but not total darkness.
- Manual focus is listed, along with a diopter adjustment range of +/-5 diopters.
- The listing says these binoculars are not water resistant.
Often bought together
Pros and cons
Pros
- The 70 mm objective lens specification and BAK-4 prism are useful details for buyers considering large-aperture binoculars for viewing outdoors or the night sky.
- A carry bag, cleaning cloth and neck strap are listed in the manufacturer’s package contents.
Cons
- Not water resistant, so they are not suited to use where protection from water is required.
Technical specifications
19 specifications| Brand | Aurosports |
|---|---|
| Model | Aurosports01 |
| Maximum magnification | 20 x |
|---|---|
| Objective lens diameter | 70 Millimetres |
| Prism | BAK-4 Prism |
| Eye relief | 26 Millimeters |
| Exit-pupil diameter | 3.5 Millimeters |
| Relative brightness | 3.5 |
| Field of view | 3.4 Degrees |
| Coating | Anti-Reflective |
| Focus type | Manual Focus |
| Diopter adjustment range | +/-5 diopters |
| Zoom ratio listed | 20:1 |
| Material listed | 2070 |
|---|---|
| Water resistance listed | Not Water Resistant |
| Colour | Black |
|---|---|
| Age range | Adult |
| Low-light technology listed | yes |
| Compatible devices | Tripod, Smartphone Adapter |
What to know before buying
Listing details to confirm
Customer feedback reports doubts that the binoculars deliver the advertised 20x magnification, despite the listing specifying 20 x. Treat the magnification as an unverified listing claim, especially if exact reach matters. The listed material value is “2070”, which does not clarify the body material. The manufacturer says low-light use is possible but not viewing in total darkness.
What’s in the box
Included- Binoculars (1)
- Carrying bag (1)
- Cleaning cloth (1)
- Neck strap (1)
Who is it for?
A good fit for
- Buyers seeking large-objective binoculars for birdwatching, hiking or outdoor observation.
- Stargazers who want binoculars described by the listing as suitable for low-light viewing, while recognising this is not a total-darkness capability.
Less suited to
- Anyone who needs water-resistant binoculars.
- Buyers for whom verified 20x magnification or viewing in total darkness is essential.

Customer reviews on Amazon
- 5 stars
69% 69% - 4 stars
14% 14% - 3 stars
10% 10% - 2 stars
2% 2% - 1 star
5% 5%
Customer feedback highlights perceived image quality and vision, including for stargazing, and describes the binoculars as lightweight and good value. Magnification receives mixed feedback, with some customers saying it does not match the advertised 20x. That concern matters for buyers relying on the stated reach. The positive reports are customer perceptions, not independent performance measurements.
Positive themes
- Customers describe the quality and vision positively, including for stargazing.
- Customers mention light weight and good value.
Negative themes
- Some customers report that the magnification does not seem to reach the advertised 20x.
Mixed feedback
- Magnification is a point of disagreement, so buyers should not treat the stated 20x as independently verified.
Frequently asked questions
Are these binoculars water resistant?
No. The listing states “Not Water Resistant”, so do not treat them as suitable for wet conditions.
Is the 20x magnification confirmed?
The listing claims 20 x, but customer feedback reports mixed experiences and doubts about the advertised magnification. It is not independently confirmed.
Can they be used in complete darkness?
No such capability is stated. The manufacturer describes use in low light but says the view is not clear in total darkness.
What comes in the package?
The manufacturer’s contents list names one pair of binoculars, one carrying bag, one cleaning cloth and one neck strap.

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