XPRO SUPER II series of close-up lens also uses a group of
two achromatic multi-coated lens, and the structure is optimized,
so even in the longer focal length and large aperture, it still
can get a clear image, while the green multi-layer coating
showing a charming appearance and high light transmission rate.
XPRO SUPER II series of close-up lens is on the pursuit of
excellence in quality, and a special package with a fine, Logo
laser carving, exquisite and eternal. SUPER II series of close-up
lens become one of the best close-up lens.

f280 means that infinity focus now is 280mm.

Works best untill 200mm lens (e.g. 70-200)