
( Brand: Swift ), ( Manufacturer Part Number: 820T ), ( Part Type: Binocular ), ( UPC: 790401008209 )
The 8.5x44 Swift BWCF Audubon Birder Waterproof Porro Prism Binoculars, model number 820T 790401008209, is a high-quality optic tool designed for avid birdwatchers and nature enthusiasts. This pair of binoculars boasts a robust 8.5x magnification power, allowing you to observe distant objects with remarkable clarity and detail. The objective lens diameter of 44mm ensures a bright and sharp image even in low-light conditions.
The Binoculars feature a Porro prism design, known for its wide field of view and depth perception. This design also provides a more natural and comfortable viewing angle, reducing eye strain during extended use.
The Swift BWCF Audubon Binoculars are built with waterproof and fog-proof technology. The fully sealed optical tubes and O-ring seals prevent moisture from entering, ensuring reliability in various weather conditions. The nitrogen-filled tubes also prevent internal fogging, ensuring a clear and undistorted view.
The binoculars are equipped with fully multi-coated optics, which provide high light transmission, excellent color fidelity, and reduced glare. The BaK-4 prisms offer enhanced image clarity and contrast, while the BK-7 prisms provide brightness and color accuracy.
The 8.5x44 Swift BWCF Audubon Birder Waterproof Porro Prism Binoculars come with adjustable diopter eyepieces, allowing for easy focus adjustment for each eye. The center focus wheel allows for quick and easy focusing of both eyepieces, ensuring sharp images from near to far.
The binoculars are lightweight yet durable, made with a rubber armor coating for a comfortable grip and shock resistance. They also feature twist-up eyecups, allowing for comfortable use with or without eyeglasses.
The Swift BWCF Audubon Binoculars are perfect for birdwatching, nature observation, sporting events, concerts, and other activities that require excellent long-range viewing. With their superior optics, waterproof and fog-proof design, and durable construction, these binoculars are a must-have for any serious observer.
Pros of the 8.5x44 Swift BWCF Audubon Birder Waterproof Porro Prism Binoculars (Model 820T 790401008209):1. Large Objective Lens: The 8.5mm objective lens allows for a wide field of view, making it easier to locate and track birds or other wildlife.
2. High Magnification: With a magnification of 8.5x, these binoculars provide a closer view of distant objects, making them ideal for bird watching or other activities that require detailed observation.
3. Waterproof and Fog-proof: The binoculars are fully waterproof and fog-proof, ensuring that they can be used in all weather conditions.
4. Durable and Lightweight: The binoculars are made of high-quality materials and are lightweight, making them easy to carry around during long outings.
5. Wide Focus Range: The binoculars have a wide focus range, allowing you to adjust the focus to suit your eyesight and the distance of the object you are observing.
6. Compact and Portable: The binoculars are compact and portable, making them easy to carry in a backpack or handbag.
7. Comfortable Eye Cups: The binoculars have comfortable eye cups that can be adjusted to fit the shape of your eyes, reducing eye strain during extended use.
Cons of the 8.5x44 Swift BWCF Audubon Birder Waterproof Porro Prism Binoculars (Model 820T 790401008209):1. Expensive: These binoculars are on the expensive side, which may be a barrier for some potential buyers.
2. Limited Color Options: The binoculars are only available in one color option, which may not appeal to buyers who prefer a wider range of colors.
3. Bulky: Despite being lightweight, these binoculars are still relatively bulky, which may make them difficult to carry around in certain situations.
Ending Conclusion:The 8.5x44 Swift BWCF Audubon Birder Waterproof Porro Prism Binoculars (Model 820T 790401008209) are a high-quality option for bird watchers and other nature enthusiasts. With their large objective lens, high magnification, waterproof and fog-proof construction, and comfortable eye cups, these binoculars offer a superior viewing experience. While they are on the expensive side and may be bulky for some, their durability, lightweight design, and wide focus range make them a worthwhile investment for anyone who values detailed observation and reliability in their outdoor activities.
Recommendation:If you are in the market for high-quality binoculars for bird watching or other nature activities, the 8.5x44 Swift BWCF Audubon Birder Waterproof Porro Prism Binoculars (Model 820T 790401008209) are a great option to consider. With their numerous advantages and only a few minor drawbacks, these binoculars are sure to provide you with many years of enjoyable observation and exploration of the natural world.
This listing is for model audubon-820 Swift 8. 2 Meyer relief:17 mm relative brightness:26.
5x44mm bwcf audubon waterproof binoculars 820 is Swifts premium choice in porro prism birding.
8 twilight factor:19. 5x power binocular is a great compromise between the classic debate of magnification, size and exit pupil diameter.
5x44mm bwcf audubon waterproof binoculars 820: broad front distance between objectives gives phenomenal depth -4 porro prisms for a wide viewing field and of field 5-lens eyepiece system specifications Swift 8. 5x44mm bwcf audubon waterproof binoculars 820 warranty in addition to Swift 8.
2 field-of-view yds: 420' 139 m at 1000 minimum focus distance:10.
You'll have an exit pupil diameter of 5. 5 objective diameter:44 mangle of view:8.
5x44 bwcf audubon birder waterproof porro prism binoculars, black - 820features of Swift 8.
Department of state or the us.
0 m exit pupil diameter:5.
1mm, great enough for viewing in nearly all birding situations, and a very wide 8. 72 lb 780package contents: Swift 8.
Department of commerce. 3 focus type:center weatherproofing:waterproof socket:yes dimensions:7. 5x44mm bwcf audubon birding waterproof binocular 820: prism type:porro magnification:8.
5 magnification binocular.
Angle of view for an 8.