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Nikon DK-20C +3 Diopter for Rectangular-Style Viewfinder

You Pay: $9.95
Product Highlights
  • For D300, D200, D100, D90, D80, D70, D60, D50, D40, N80, N75, N70, N65, N60, N55, N50, Pronea, N2-4-5-6000 Series & FM/FE10 Cameras

Optional Nikon eyepiece diopters allow you to optimize your SLR viewfinder's sharpness in conjunction with your individual eyesight. Nikon SLR 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 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.

Please click here for a Compatibility Chart .

REVIEW SNAPSHOT®

by PowerReviews
NikonDK-20C +3 Diopter for Rectangular-Style Viewfinder
 
4.0

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (1)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to use (3)

Cons

    Best Uses

      Reviewed by 4 customers

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      Displaying reviews 1-4

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      3.0

      Eyecup does not fit over diopter.

      By Mark

      from Douglasville, GA

      About Me Semi-pro Photographer

      Pros

        Cons

          Best Uses

            Comments about Nikon DK-20C +3 Diopter for Rectangular-Style Viewfinder:

            Replaced the diopter so that I can focus without glasses. Works great in that regard. Rubber eyecup standard to D610 will not fit over this diopter. (See other reviews.)

            • Was this a gift?:
            • No

            Share this review

            (1 of 1 customers found this review helpful)

             
            4.0

            Simple Solution

            By Bike Tourist

            from Bakersfield, CA

            About Me Semi-pro Photographer

            Verified Buyer

            Pros

            • Easy to Use
            • Improves Function

            Cons

              Best Uses

                Comments about Nikon DK-20C +3 Diopter for Rectangular-Style Viewfinder:

                I use this on my Nikon D610. The range of adjustment of the variable diopter was not sufficient for me. It almost never is on any camera. For some reason the manufacturers make the adjustment range go deep on the MINUS side but offer very little on the PLUS side. This diopter brought me within range so that I could fine tune my eyepiece used in conjunction with the variable feature.

                4* because when you remove the "eyebrow" rubber eye shade it won't go back on over the diopter. C'mon Nikon! How about a little more design thought and love for us with less than perfect eyesight?

                • Was this a gift?:
                • No

                Share this review

                (1 of 1 customers found this review helpful)

                 
                4.0

                I can see clearly now

                By stutzer

                from Olympia, WA

                About Me Photo Enthusiast

                Verified Buyer

                Pros

                • Durable
                • Easy to Use
                • Improves Function

                Cons

                  Best Uses

                  • Everyday Use

                  Comments about Nikon DK-20C +3 Diopter for Rectangular-Style Viewfinder:

                  This would get 5 stars if I'd known that the rubber eye cup does not attach to the diopter.....

                  Share this review

                   
                  5.0

                  I can see!

                  By Ken

                  from Newport News, VA

                  About Me Hobbyist/Enthusiast

                  Verified Buyer

                  Pros

                  • Easy to Use

                  Cons

                    Best Uses

                    • Action Shots
                    • Everyday Use
                    • Macro Photography
                    • Studio
                    • Traveling

                    Comments about Nikon DK-20C +3 Diopter for Rectangular-Style Viewfinder:

                    Works as advertised!

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