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Porro prisms. Magnification: 15x. Objective lens diameter: 70mm

Porro
Prisms of the binoculars adjust the image orientation projected by the objective
15
The higher the magnification of the binoculars is, the larger the object will be, but the narrower the field of view (FOV) and the darker the image
70
The larger the aperture is, the more light there will be that enters the optical tube and the image will be brighter, although a larger aperture will increase the size of the binoculars
Availability

Product ID 73163
Brand Omegon
Warranty 2 years
EAN 2400000037385
Package size (LxWxH) 38x12x10 cm
Shipping Weight 2.22 kg
Description

Omegon 15x70 Nightstar - Lightweight Astronomy and Nature Binoculars.

These powerful Omegon 15x70 Nightstar binoculars are the 'little brother' of the 20x80 model, and are lighter and more compact. Even so, these 15x70s are perfect for roaming through the night sky. With an exit pupil of 4.7mm, the view through the binoculars is very bright so making them also suitable for nature watching in the twilight.

All the lens elements are multi-coated, providing an improved optical image. The binoculars provide an impressively bright image and a sharp field of view which is crisp right out to the edge. The rubber eyecups seat snugly in the eye sockets to increase observer comfort. Spectacle wearers also get their money’s worth: The rubber eyecups may be folded down and, with 18mm of eye relief, almost any spectacle wearers can see the entire field of view.

The 70mm aperture optics offer around twice as much light as binoculars with a 50mm aperture. Even so, the dimensions and weight are not significantly more than those of smaller aperture binoculars.

The advantages in a nutshell:

  • Bright image from 70mm aperture
  • 18mm eye relief
  • 4.7mm exit pupil
  • Full multi-coating of all optical elements
  • Rubber eyecups
  • Not significantly heavier than other binoculars with smaller apertures
  • 10 metre close focus distance
  • Tripod connection thread
Specifications
Product ID 73163
Brand Omegon
Warranty 2 years
EAN 2400000037385
Package size (LxWxH) 38x12x10 cm
Shipping Weight 2.22 kg
Prism type Porro
Magnification, x 15
Objective lens diameter (aperture), mm 70
Optics material BaK-4
Lens coating fully coated
Exit pupil diameter, mm 18
Eye relief, mm 4.7
Twilight factor 32.4
Relative brightness 22.1
Field of view, ° 4.4
Field of view, m/1000m 77
Close focus, m 11
Eyepiece diopter adjustment
Interpupillary distance, mm 56 — 72
Body rubberized
Size classic
Application astronomical
Pouch/case/bag in set pouch
Reviews
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