Vixen Telescope Binoculars Model BT81S-A

Vixen Telescope  Binoculars BT81S-A

• Objective lens
  81mm / Achromatic, single coating with Mgfl
• 480mm (F5.9)
  Resolving power / Limiting magnitude
• 1.43 arc seconds / 11.3
  Light gathering power
• 134× unaided eye
  Size
• 480×190×155mm
  4100g
• Viewfinder
  Arimiso type base included (Finder sold separately)

Eyepiece part

• Size of eyepiece
  31.7mm
• Eyepiece (31.7mm)
  Sold separately
• Photography
  Non
• Sun observation
  Non