National Geographic Binoculars - Roof Prism 8x42

The National Geographic Roof Prism 8x42 Binoculars offer 8x magnification and 42mm aperture. With diopter adjustment up to +-2 and full coating on glass elements, enjoy clear views and high contrast in any light. Designed with a durable and easy-to-grip rubber surface, these binoculars are both practical and resilient. Equipped with a standard tripod connection, you can easily mount them for steady observations.

Optical Specifications: 

• Optical design:  Roof
• Magnification:  8
• Mirror/Lens diam.:  42 mm
• Material prisms:  BaK-4
• Type of coating:    Fully coated
• Diopter setting:  Yes
• Field of view at 1000m:  110 m
• Field of view:  6.29 degrees
• Light intensity:  27.56
• Twilight factor:  18.33

General Technical Data:

• Colour:  Black
• Body material:  Plastic
• Focusing system:  Central focus wheel
• Eyecups:  Twist-Up eyecups
• Interpupilar distance min.:  73.69 mm
• Interpupilar distance max.:  73.69 mm
• Material:  Plastic
• Body armouring:  Rubber/Plastic
• Dust protection caps:  Dust caps for eyepiece and objective

Dimensions and weight:

• Total length:  146 mm
• Total width:  126 mm
• Total height:  53 mm
• Net weight:  660 g

Includes:

• Binoculars
• Carrying Strap
• Case
• Instructions