Quick Summary
The Celestron SkyMaster Pro 20x80mm waterproof Porro prism binoculars are built for long viewing sessions and astronomical use at dusk, dawn and night. They combine 20x magnification with 80mm objective lenses, multi coated optics, BaK 4 prism glass, rubber armoured protection and a deluxe carry case.
Who It Is Best For
These binoculars suit buyers who want a powerful pair for low light viewing and steady, detailed observation. They are a practical choice if you are looking for a model with a firm grip, weather resistant construction and a carry case for storage and transport.
What To Know Before You Buy
This is a high magnification binocular, so it is best considered for dedicated viewing rather than quick casual use. The 80mm objective lenses are intended to support brightness in low light, while the waterproof and fogproof design adds reassurance in changing weather.
Pros: Strong 20x magnification, large 80mm lenses, multi coated optics, BaK 4 prisms, and a protective rubber armoured body.
Cons: The buyer should check whether 20x magnification and the size suit their intended use before ordering.
Common Buyer Questions
What are these binoculars best used for?
They are described as suitable for astronomical viewing and low light observation at dusk, dawn and night.
Are they suitable in wet weather?
Yes, they are listed as waterproof and fogproof.
Do they come with a case?
Yes, a deluxe carry case is included in the product description.
What kind of prism system do they use?
They use a Porro prism design with BaK 4 prism glass.
Is the body protected?
Yes, the binoculars have rubber armoured protection for grip and added protection.
Key Details
| Detail | What it means in use |
|---|---|
| Brand | Celestron |
| Model | SkyMaster Pro 20x80mm |
| Magnification | 20x for a closer view of distant subjects |
| Objective lens size | 80mm lenses intended to support brightness in low light |
| Prism type | Porro prism design |
| Prism glass | BaK 4 prism glass |
| Lens coating | Multi coated optics with XLT coating technology |
| Body protection | Rubber armoured protection for grip and handling |
| Weather protection | Waterproof, fogproof and nitrogen purged construction |
| Included accessory | Deluxe carry case |
Final Buying View
The Celestron SkyMaster Pro 20x80mm binoculars bring together strong magnification, large lenses and protective weather resistant construction in one serious viewing option. If you want a pair aimed at low light and astronomical use, and you are comfortable with a larger binocular format, this is a solid model to consider. Check the fit for your intended use, then choose with confidence.









