Description: A larger exit pupil can be useful when ambient light is reduced. VIVI’s low‑light range includes 50 mm and 56 mm models designed for dawn, dusk and other reduced‑light observation....
A larger exit pupil can be useful when ambient light is reduced. VIVI’s low‑light range includes 50 mm and 56 mm models designed for dawn, dusk and other reduced‑light observation. Actual brightness also depends on coatings, optical design, ambient conditions and the observer.
