Focal length ratio: f/13
High magnification and narrow field of view, has an excellent performance in planetary observation.
Its small size makes it very easy to carry.
Негізгі бет Ғылым және технология #SVBONY
Focal length ratio: f/13
High magnification and narrow field of view, has an excellent performance in planetary observation.
Its small size makes it very easy to carry.
Пікірлер