Nikon DK-20C Correction Eyepiece for Rectangular-Style Viewfinder (-3.0)

The Nikon DK-20C Correction Eyepiece for Rectangular-Style Viewfinder (-3.0) allows you to adjust the sharpness of your SLR/DSLR viewfinder to your particular eyesight. The base diopter value (the value at the top left of the eyepiece) of an SLR/DSLR Nikon camera prepared without built-in adjustable eyepiece correction is –1. –1 is the nominal value for the great majority of SLR/DSLR users with normal vision. The Nikon DK-20C Correction Eyepiece for Rectangular-Style Viewfinder (-3.0) components of the SLR/DSLR viewfinder, together with a clear (basic) eyepiece, form a virtual image of a subject on the SLR/DSLR camera focusing screen that corresponds to a viewing distance of approximately one metre.

Each Nikon eyepiece diopter incorporates a numerical value, represented by a minus value (nearsighted) or a plus value (farsighted) number, enabling you to select the appropriate diopter for your vision and your camera model.

The eyepiece's diopter value is, when combined with the viewfinders minus one value, the end-result value. No combination of the camera's base value of minus one and a given accessory diopter's value is required to arrive at the final desired value. In other words, if you require a diopter of plus 3, simply add a plus 3 diopter to your camera.

Compatibility

D750, D610, D600, D5300, D5200, D5100, D5000, D7100, D7000, D3300, D3200, D3100, D3000, D300, D300S, D200, D100, D90, D80, D70, D60, D50, D40, N80, N75, N70, N65, N60, N55, N50, Pronea, N2-4-5-6000 Series & FM/FE10 Cameras