National Geographic 8x21 Foldable Roof-Prism Binoculars

National Geographic

8x21 Foldable Roof-Prism Binoculars

Name: 8x21 Foldable Roof-Prism Binoculars
Brand: National Geographic
SKU: 80-10821CP
Price: 19.99 USD
Availability: InStock

$ 19.99 USD

Product options: 8x21

8x21 10x25 Compact 8x40 8x42 10x42 10x42 WP 10x50

Only 45 units left

Free shipping on orders $69.99+ (continental US, 3 to 7 business days)
Ships from Springdale, AR in 1 to 2 business days
30 day returns details
1 year limited warranty details

The National Geographic 8x21 Foldable Roof-Prism Binoculars are pocket-size binoculars with 8x magnification and 21mm lenses, made for travel, hiking and everyday outdoor use. Fully coated BK-7 optics deliver true-to-life color.

Diopter compensation lets you fine-tune focus for differences between your eyes, and foldable eyepieces make them comfortable for eyeglass wearers. A case, strap and cleaning cloth are included.

Item number: 80-10821CP
Magnification: 8x
Lens diameter: 21mm
Prism type: roof
Coatings: fully coated BK-7 optics
Field of view: 413 ft at 1,000 yards
Dimensions: 100 x 95 x 35mm
Weight: 170g
Color: black

These pocket binoculars have a compact and attractive design. The fully coated BK-7 optics and solid mechanics enable a true color picture replication. These models have diopter compensation and foldable eyepieces for spectacle wearers as well as a functional bag.

SKU: 80-10821CP

Shipping & Returns

Free shipping on orders $69.99+ shipped within the continental United States. Special‑order items are excluded. USPS orders may take an additional business day for processing. Learn more.

Returns must be submitted within 30 days from the date of purchase for a refund or replacement. The item must be unused, in its original condition and packaging. Learn more.

Product Manual & Resources

Product Manual:

Download Manual

Product Warranty

This product comes with a limited warranty. Click Here to view the full Explore Scientific Warranty Policy.

Warnings

⚠️ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

⚠️ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Standout Features

8x Magnification for Close Observation

Get clear, detailed views in a compact design, perfect for on-the-go adventures.

Bright, True-to-Life Images

Fully coated BK-7 optics deliver high-contrast, accurate color reproduction.

Travel-Friendly & Compact

Pocket-sized with foldable eyepieces and a convenient carrying bag for easy portability.

Comfortable for Spectacle Wearers

Diopter compensation ensures sharp focus for both eyes, even with glasses.

Product Specifications

Item Number: 80–10821CP
Magnification: 8x
Lens Diameter: 21mm
Optical Type: Roof
Coating: Fully Coated
Body Color: Black
FOV: 413ft (at 1,000 yards)
Dimensions: 100x95x35mm
Weight: 170g

8x21 Foldable Roof-Prism Binoculars

Standout Features

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