Rubber eyecups for SLR cameras

Rubber Eyecups
A rubber eyecup is designed to make using the viewfinder more comfortable and to block stray light entering the camera's viewfinder. It can also act as a buffer to prevent users from scratching their eye glasses. All Nikon SLR cameras are either supplied with a rubber eyecup or offer one as an optional extra. Below is a table which lists rubber eyecups specific to each camera model.

Correction Eyepieces
To allow photographers to shoot using a DSLR without the need for their reading glasses, Nikon have developed a range of correction eyepieces. These optional Nikon eyepiece diopters allow you to optimize your SLR viewfinder’s sharpness in conjunction with your individual eyesight. Eyepiece diopters are designed for specific camera models and are identified by a plus, a minus or a neutral numeric diopter value. Some Nikon SLR Cameras have built-in adjustable eyepiece correction. Please check your instruction manual to see if additional threaded Nikon eyepiece diopters can be combined with your camera’s built-in diopter control. For cameras with built-in diopter control, use additional Nikon eyepiece diopters only if your vision dictates that optimum viewfinder sharpness cannot be achieved with the built-in diopter adjustment control.

Magnifying Eyepieces
Attaching a magnifying eyepiece provides magnification of the central area of the finder image. These are particularly useful for critical focusing in close-up photography. The amount of magnification gained is determined by the specific eyepiece. Some additional eyepieces may require the use of an eyepiece adapter, please consult your camera's user manual for this information.