William Optics Binocular telescope attachment ''BinoViewers'' with accessory package (4716)

Enjoy the advantages of coated BAK4 bino-viewers with your refractor, Schmidt-Cassegrain, or Newtonian telescope without needing a costly high-end system. This comprehensive package includes everything you need for comfortable and immersive binocular viewing.

Included in the package:

• 1.25" bino-viewer attachment with protective compression rings

• Two wide-angle (66°) 20mm eyepieces

• 1.6x Barlow lens for easier focusing with any telescope

• BaK-4 fully multi-coated optics

• Interpupillary distance adjustment: 53 mm to 75 mm

• Clear aperture: 20.2 mm

• Eyepiece holder with helical focusing and compression rings

• Size: 120 mm x 112 mm x 42 mm

• Optical path length: 100 mm (4 inches)

• Weight: 520 g (without eyepieces)

Specifications

• Type: Binocular head