Best price for Bushnell Sport 10x50 Spectator PermaFocus is $219.99 inclusive of GST. This is presently the cheapest offer found from comparing prices from 5 shops in New Zealand.
General
Exit pupil
5 mm
Prism/Mirror binoculars
Prism Binoculars
Image quality
Lens diametre
The larger the diameter, the more light is captured. A diameter of 30 mm suffices during day-light conditions, but larger lenses are required during low-light conditions.