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 .
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Comments about Nikon -5 Diopter for Rectangular-Style Viewfinder:
I got used to flipping my glasses to the top of my head and using this eyepiece on my D80. When I broke it after getting my D7000, I just figured I would go back to scratching my glasses, but glasses and viewfinders don't make good bedfellows. So off it was to get a new eyepiece. My eyes thank me. My glasses thank me. You'll thank me.
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Comments about Nikon -5 Diopter for Rectangular-Style Viewfinder:
Just be aware that it's either the rubber eyepiece - or the diopter - but not both
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Comments about Nikon -5 Diopter for Rectangular-Style Viewfinder:
Works perfectly with the new D5000, 3 seconds to remove the original one and place this special viewfinder. No more rubber ring around the wiever but not an issue. It is so convinient to place our eye without glasses between your eye and the viewer! Just put your pair of glasses on your head and then catch your best pictures ! All people wearing glasses should adopt those special viewers.
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Comments about Nikon -5 Diopter for Rectangular-Style Viewfinder:
This works as a diopter adjustment on the D300, but the piece is made incorrectly. The eyecup or magnifying eyepiece should fit over the diopter just like the diopter wasn't there, but the slot on the rear of the diopter is made too small for the subsequent pieces to fit. That really limits the utility of this device.
The eyepiece cap does fit, as it has somewhat thinner rails.
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Comments about Nikon -5 Diopter for Rectangular-Style Viewfinder:
The Viewfinder by Nikon makes a tremendous difference. I had been having major problems focusing and now I can see!
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