8×21 Compact Binoculars with BaK-4 Prism and FMC Optics
Keep a lightweight optical aid ready for outdoor observation, travel, sporting events, and everyday viewing. These compact binoculars combine 8× magnification, 21 mm objective lenses, BaK-4 roof-prism optics, FMC lens coating, and center focus in a small folding design.
Product Details
Model: 8×21
Magnification: 8×
Objective diameter: 21 mm
Prism material: BaK-4
Prism system: Roof
Lens coating: FMC, as listed by the source
Field of view: 131 m at 1,000 m
Eyepiece diameter: 12 mm
Exit pupil diameter: 2.625 mm
Focus: Center focus
Diopter adjustment: −6D to +6D
Body materials: Aluminum alloy, recycled rubber, PVC, and ABS, as listed
Size: 90 × 60 × 30 mm
Net weight: 190 g
Color: Black
Variant: 8×21 (Black)
Included Accessories
1 pair of binoculars
Color box
Bag
Lens-cleaning cloth
Lanyard
Instructions
Weather-Resistance Note
The source describes the binoculars as waterproof and dustproof but does not provide a protection rating. Treat them as splash-resistant only, keep them dry, and do not submerge them.
⚠ Important Safety & Care Instructions
Never look directly at the sun or other intense light sources through the binoculars. Permanent eye injury can result.
Use the lanyard carefully and keep the binoculars secured when carrying them.
Keep the lenses and body away from sharp impacts, excessive heat, and moisture.
Do not submerge the binoculars or rely on the un-rated waterproof claim for prolonged exposure to water.
Clean the lenses only with the supplied or a suitable lens cloth. Do not use abrasive materials.
Do not force the focus or diopter controls.
Stop using the binoculars if the body, lenses, strap, or adjustment controls are damaged or loose.
Store in the supplied bag in a clean, dry place when not in use.
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