Vixen BT-81S-A Astronomy Binoculars

Vixen BT-81S-A Larcge Astronomy Binoculars are made in Japan:

• Binoculars with 81 mm lens diameter
• 31.7 mm (1.25 inch) eyepiece sockets for changeable eyepieces
• Very high light intensity thanks to the large 80 mm lenses
• Dimensions: 480 x 190 x 155 mm / weight: 4,1 kg
• Included: binoculars, carry handle, viewfinder, dew caps

Take a look through the new Vixen BT-81S-A Larcge Astronomy Binoculars. You will be impressed when you use them to observe gas nebula, star clusters or comets. This 81mm astronomy binocular delivers crystal clear, sharp views through its new optical design. Its lightweight body ensures that you can take it to any observing location.

The magnesium fluoride coating reduces chromatic aberration and the large aperture of 81 mm ensures a razor-sharp, contrast-rich image.

The BT-81S-A binocular telescope set weighs 4.1 kg, is portable and also exceptionally suited for nature observations. 

FEATURES

• Objective lenses: 81 mm 2-lens achromat, multi-coated
• Focal length: 480 mm (f5.9)
• Resolution and limiting magnitude: 1.43 arc seconds; 11.3
• Light-gathering power: 134x
• Dimensions and weight: 480 x 190 x 155 mm; 4.1 kg
• Adapter and connections: 31.7 mm sockets

WHAT’S INCLUDED

• Binoculars 80 mm
• Carry handle
• Viewfinder
• Dew caps

Technical Data