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

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

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

B&H # NIDM3N80 MFR # 2946
Nikon DK-20C Correction Eyepiece for Rectangular-Style Viewfinder (-3.0)

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

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Product Highlights

  • Fits Select Nikon SLR and DSLR Cameras
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Nikon DK-20C overview

  • 1Description

The DK-20C -3.0 Correction Eyepiece for Rectangular-Style Viewfinder from Nikon allows you to optimize your SLR/DSLR viewfinder's sharpness in conjunction with your individual eyesight. Nikon SLR/DSLR cameras (without built-in adjustable eyepiece correction) have a base diopter value of minus one. Minus one is considered the optimum starting point for the majority of SLR/DSLR users with normal vision. The combination of the camera's viewfinder components and a clear (standard) eyepiece form a virtual image of a subject on the camera's focusing screen that is the approximate equivalent of a viewing distance of one meter.

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.

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
UPC: 018208029464
In the Box
Nikon DK-20C Correction Eyepiece for Rectangular-Style Viewfinder (-3.0)
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Nikon DK-20C specs

    Packaging Info
    Package Weight 0.01 lb
    Box Dimensions (LxWxH) 4.4 x 2.8 x 0.02"

    Nikon DK-20C reviews

    DK-20C Correction Eyepiece for Rectangular-Style Viewfinder (-3.0) is rated 4.1 out of 5 by 16.
    Rated 5 out of 5 by from Such a pleasure without the eyeglasses. Wearing bifocals and taking photos sometimes is very annoying. Adding the eyepiece diopter to my Nikon D300 has provided me with a renewed enjoyment of photography. My prescription is -3.5 diopters, but adding the -3.0 diopter (no half size increments) works just fine with the fine adjustment lever. Highly recommended for those eyeglass wearers wishing to get closer to the viewfinder
    Date published: 2009-03-11
    Rated 4 out of 5 by from finally, no glasses necessary I am nearsighted by -3.5 diopters. With the application of this diopter and full adjustement on the internal diopter control I get sharp focus through the view finder without having to use my glasses.
    Date published: 2009-07-29
    Rated 4 out of 5 by from Does what it should There isn't much to say about this item. It is exactly as it says it is. I have owned several of these in the past and will continue to purchase them for future cameras. This one went on a D40 that I keep in the car. Other reviewers have lamented that there is no rubber eye cup, but the diopter can easily be fitted with the one you remove from your camera in order to attach this piece of equipment. If you wear glasses, I cannot recommend this enough. Especially if you ever find yourself at an awkward angle trying to move your glasses so you are not looking over them.
    Date published: 2011-02-19
    Rated 2 out of 5 by from Works after some tinkering The diopter was purchased for use with Nikon D7500. It did fit on the camera body, but the rubberized eyepiece that it replaced did not fit in the slots of the diopter. The slots in the diopter were too narrow and had too be widened using needle files. It had to be done very carefully as there is not much room for error. Once done everything worked. If someone does not have special tools I do not recommend this product without trying it in the store. Otherwise make sure it is returnable.
    Date published: 2017-09-04
    Rated 4 out of 5 by from Glassess not required For those of us that don't have 20/200 vision or even 20/20 vision This item allows the eyepeice to be viewed crystal clear without the need of glasses which are hard to work with against the back of a camera. The only issue it has is the regular eye peice rubber stopper does not slide over the diopter hence 4 stars out of 5.
    Date published: 2009-03-02
    Rated 1 out of 5 by from poor quality if you're -2.5ish, you should go with the -4.0, coz -3.0 won't enough for you!
    Date published: 2015-09-29
    Rated 5 out of 5 by from Fantastic I'm not even sure how I stumbled across this item but I'm so glad I did. I have asked in multiple groups how one can focus manually on my D7000 and all I got was that I would have to wear my glasses (not practical) or use the program mode (not very creative). This has opened up my world and now I can experience my Nikon to its fullest. While it would be much better if they just sold the eyepiece with the rubber eye cup around it, I found you can order B&H #NIDK21 MFR #25335 for a modest amount. Viola - problems solved.
    Date published: 2016-05-19
    Rated 4 out of 5 by from Eye Saver Nikon's D5100 eyepiece comes with a diopter, but it isn't strong enough for me to focus without glasses, so I decided to buy this extra diopter to add on. Pressing glasses up against even a rubber eye piece can be annoying so that's what motivated me to get additional diopter strength. Critical focus is important and I want every means to do it right. I wish the large LCD screen could be used for photography, but it only works during live view mode and that is really useful for video, not stills.
    Date published: 2013-02-25
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