The black DF-CP1 Optical Viewfinder from Nikon attaches to the hot shoe of the COOLPIX A digital camera and offers an angle of view equivalent to that of a 28mm lens in 35mm format. It provides 0.52x magnification and covers 90% of the frame when the camera's lens is focused to infinity.
| Angle of View | Equivalent to that of 28mm lens in 35mm format |
| Magnification | 0.52x |
| Coverage | 90% |