•Diopter-adjustment viewfinder lenses: To accommodate individual differences in vision, viewfinder lenses are available with diopters of –3,–2, 0, +1, and +2 m–1(values with camera diopter control centered at –1m–1). Use diopter adjustment lenses only if the desired focus can not be achieved with the built-in diopter adjustment control (–3 to +1 m–1). Test diopter adjustment lenses before purchase to ensure that the desired focus can be achieved. The DK-17C is equipped with a safety lock.

•Magnifying Eyepiece DK-17M: The DK-17M magnifies the view Viewfinder through the viewfinder by approximately 1.2 × for greater

eyepiece precision when framing.

accessories • Right-Angle Magnifying Viewing Attachment DR-5/Right-Angle Viewing Attachment DR-4: The DR-5 and DR-4 attach to the viewfinder eyepiece at a right angle, allowing the image in the viewfinder to be viewed from above when the camera is in the horizontal shooting position. The DR-5 can also magnify the view through the viewfinder by 2 × for greater precision when framing (note that the edges of the frame will not be visible when the view is magnified).

•Eyepiece Adapter DK-18: The DK-18 is used when attaching the DG-2 Magnifier or DR-3 Right-Angle Viewing Attachment to the D3X.

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