Hoya 72mm Close up +1 diopters designed for
close-up photography. Close-up lenses are high-quality optical magnifying lenses
which shorten the close-focusing distance of the lens. It allows the lens to go
closer to the subject than before and to achieve a larger image scale.
Depth-of-field is shallow so use as small an aperture as possible,
Diopters can be "stacked" for extreme magnification.
For more information about, Hoya 72mm Close-Up +1 Diopters Filter .