The Olympus DPCI 8 X 21 Binocular is the lenses and prisms are coated for superior optical performance, image clarity. It has +-2m-1 dioptric correction is also available. It has special optical materials are used to reduce the transmission of harmful UV rays and its provide a higher level of eye protection. As a result it is very compact to use in indoors at museums, art galleries and business exhibitions. It has excellent cost-performance. It contains affordable pricing, the Olympus DPC. It has short range capability with a minimum focusing distance of only 2.2 meters for the 8x model, and only 2.5 meters for the 10x model, these binoculars offer outstanding short-range capability. The magnification of the product is 8x. It embedded with effective diameter of objective lens is 21mm. the Diameter of exit pupil is 2.6mm. The actual field of view is 6.4 degrees. The product has apparent angle of view is 51.2 degrees. It has field at 1000m 112m. The brightness of the product is 6.9.