Swift Audubon 8.5x44 Roof Prism Binocular

Our Price: $359.00
List Price: $449.95
You Save: $90.95 (20%)
Swift Audubon 8.5x44 Roof Prism Binocular
Magnification 8.5x
Objective Lens Diameter 44 mm
Field of View 336 feet/1000 yards
Eye Relief 19 mm
Close Focus 9 feet
Weight 23.4 ounces
Dimensions (HxW) 5.75 x 4.9 inches
Weatherproofing Waterproof/Fogproof


  • Rainguard
  • Objective lens caps
  • Neck strap
  • Case

Swift Audubon binoculars are classic performers known for their terrific optical quality and construction. The roof prism design of the Swift Audubon 8.5x44 is a lightweight 23.4 ounces and comes with fully multi-coated optics for increased light transmissions. A long eye relief and twist-up-and-down eyecups guarantee comfortable use with or without eyeglasses. The Swift Audubon binocular is covered by the Swift Premier 25-year warranty.

Optical Features
Fully Multi-coated Lenses Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.
Phase Correction Enhances resolution and contrast through roof prisms.
BaK-4 Prisms Optimize light transmission.
Construction Features
Roof Prisms Appreciated for a streamlined shape and durability.
Rubber Armoring Provides a secure, non-slip grip.
Adjustable Eyecups Twist up and down for comfortable viewing with or without eyeglasses.
Center Focus Wheel Adjusts both binocular barrels at the same time.
Right Eye Diopter Adjusts for differences in a user's eyes. Located by the center focus wheel.
Tripod Adaptable Can be mounted using standard ¼-inch threading. Adapter sold separately.
Design Features
Waterproof Optics are sealed with O-rings to prevent moisture, dust, and debris from getting inside the binocular.
Fogproof Barrels are filled with nitrogen gas to inhibit internal fogging.