Barska 7-21x40 Colorado Reverse Porro Zoom Binocular
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Features
- Levered Zoom Magnification
- BK-7 Reverse Porro Prism Design
- Anti-Reflection Fully Multicoated Optics
- Nitrogen-Filled, Water and Fogproof
- Closed Bridge Configuration
Description
The 7-21x40 Colourado Reverse Porro Zoom Binocular from Barska is a compact and cost-effective handheld optic useful for a wide range of outdoor activities. The variable 7-21x magnification is ideal for intermediate to long-range bird watching, hunting, and sightseeing. A reverse Porro prism design and fully coated optics transmit detail-rich resolution with edge to edge clarity and excellent low light performance. The rubber armoured housing helps protect your optics from moisture and light shock. For the nature enthusiast on a tight budget, the ergonomic design and complementing features of Colourado series binoculars deliver a comfortable user-experience and high quality images.
Features
- Fully coated lenses minimise glare that degrade image quality and maximise light transmission and clarity.
- A reverse Porro prism design provides enhanced depth perception, wide viewing angle, and compact optical channels.
Specifications
Prism Type | Porro |
Magnification | 7.0-21.0x |
Objective Lens Diameter | 40mm |
Angle of View | 7x: 5.2° (actual) 21x: 2.9° (actual) |
Field-of-View | 7x: 270' @ 1000 yd / 89.64 m @ 1000 m |
Minimum Focus Distance | 32.81' / 10 m |
Exit Pupil Diameter | 7x: 5.5 mm |
Eye Relief | 7x: 14 mm 21x: 12 mm |
Focus Type | Centre |
Tripod Mount | Yes (Adapter Optional) |
In The Box
- Barska 7-21x40 Colorado Reverse Porro Zoom Binocular
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Details
- Product: Barska 7-21x40 Colorado Reverse Porro Zoom Binocular
- Manufacturer: Barska
- Model: CO10686
- SKU: CO10686
- RM Product #: 37552