BBI comprises
prismatic Porro prism, lenses and
system treated Multi-coated to avoid annoying flashes and brightness. It boasts of
BaK-4 prisms whose
light transmission is
excellent and as a consequence the
highest sharpness and brightness .
Its
ergonomics and advanced optics allow
comfortable and prolonged use in vision . The
Zoom lens allows the user to get closer to see the detail of a bird's beak, among other things, without losing the opportunity to make observations at lower magnification.
The
rubber eyepieces are
extendable and suitable for all types of consumers , with or without glasses.
Technical characteristics:
- Magnification: 8-20x
- Diameter (mm): 50
- Pupillary outlet (mm): 3.3-1.35
- Field of view: 4.4º
- Enf. Close (m): 2-5
- Dis. inter pupillary: 58-75
- Comp. Diopter: +/- 4
- Prism: BaK-4
- Treatments: MC Green
- Eyepiece: rubber
- Dimensions: 195 x 180 mm
- Weight: 1200 gr