General
Product Name8x21 Foldable Roof-Prism BinocularsBrandNational GeographicModel Number80-10821CPColorBlackColor CategoryBlack
Imaging
Magnification8 timesObjective Lens Diameter21 millimetersField of View at 1000 yards22.4 feet
Features
SizeFull SizeFolding DesignYesPrism TypeRoofLens CoatingFully CoatedEye Relief20 millimeters
Performance
Protective QualitiesWater resistant
Dimensions
Product Width2 inchesProduct Depth4 inchesProduct Weight0.4 pounds
Warranty
Manufacturer's Warranty - Parts30 DaysManufacturer's Warranty - Labor30 Days
Other
UPC812257017959
Enjoy a wide range of outdoor activities with these National Geographic roof-prism binoculars. The 8x magnification and 21mm lens diameter are ideal for observing distant objects seamlessly, while the diopter adjustment and foldable eyepieces enable a customized viewing experience. These National Geographic roof-prism binoculars have a cleaning cloth that ensures easy maintenance and an included case for easy carrying.
BK-7 roof prisms
Allow for color fidelity and high contrast.
Fully coated optics
Enable a true color picture replication along with solid mechanics.
Water-resistant design
You can use it in most weather conditions.
22.4° field of view
Lets you visually scan a wide area.
Full-size construction
Suitable for all-day use.
8x magnification and 21mm diameter objective lenses
Allow you to zoom in and view bright, clear images of your subject.
What's Included
National Geographic 8x21 Foldable Roof-Prism Binoculars
Case
Strap
Cleaning cloth
Owner's manual
Manuals & Guides
User Manual
Search
Q: QuestionWhat is the distant range that you can see using this binocular?(0 answers)
Asked by Anonymous
National Geographic - 8x21 Foldable Roof-Prism Binoculars - Black
Shipping
Reviews
Rating 4.3 out of 5 stars with 21 reviews
4.3Rating by feature
- 4.5Value
Rating 4.5 out of 5 stars
- 4.2Quality
Rating 4.2 out of 5 stars
- 4.5Ease of Use
Rating 4.5 out of 5 stars
Customers are saying
Customers regard the 8x21 Foldable Roof-Prism Binoculars as an affordable option for those seeking a budget-friendly binocular. While some customers appreciate the value for the price paid, others have not mentioned any specific drawbacks.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Rated 4 out of 5 stars
Maybe for kids
Only giving it 4 stars because I thought they were bigger. These are so tiny! They are okay I guess. The lens is always going out of focus. Buy for a child instead.
Posted by PrincessJ
Rated 5 out of 5 stars
Great for beginners
Pefect for child. Bought these for our daughter. Great quality forbthe price. The carrying case and lanyard are a great bonus
Posted by AnthonyD
Rated 5 out of 5 stars
Great for kids
Great for beginners especially kids. They love it to explore
Posted by sakf