Nikon DK-17F Zoekeroculair w/ Fluorcoating

Nikon DK-17F Viewfinder Eyepiece with Fluorine Coating | A cleaner viewfinder surface

The fluorine-coated optical surface is the defining choice of the Nikon DK-17F Viewfinder Eyepiece: the coating repels water, dust and dirt, so the eyepiece is easier to clean while maintaining image quality. It sits in front of the camera’s viewfinder, where its job is to keep stray light entering the finder to a minimum. That makes the DK-17F a focused replacement or accessory for photographers who use a compatible Nikon viewfinder and want a coated eyepiece rather than an uncoated one. The distinction is useful in ordinary handling: moisture or particles on the eyepiece are less likely to cling to its surface, and cleaning is straightforward. The coating is not a change to the camera’s imaging sensor or recorded files; its benefits apply at the viewfinder. Use it when composing through the optical finder, when the finder is exposed to dust or light moisture, or when you want a viewfinder eyepiece whose surface is easy to wipe clean. Nikon’s fluorine treatment is the specific feature to consider here. The honest point is that this is a viewfinder accessory, not a general-purpose optical filter: its role is at the eyepiece, where it manages stray light and surface contamination.

What it does

• Fits at the viewfinder: The DK-17F is an eyepiece positioned in front of the camera’s viewfinder. It is made for the viewing end of the camera, so its function is specific: it works where you look through the finder, rather than covering the lens or changing the recorded image.
• Limits stray light: The eyepiece reduces the amount of stray light entering the viewfinder. That matters while you’re looking through the finder, because light coming in around the viewing area can interfere with a clear view of the scene.
• Fluorine-coated surface: Nikon’s fluorine coating is the distinguishing surface treatment on this model. It repels water, dust and dirt, keeping those contaminants from readily clinging to the eyepiece during handling.
• Repels water: Water is among the substances the coating is intended to repel. The eyepiece remains a viewfinder component, but its treated surface is useful when moisture reaches the viewing area.
• Resists dust and dirt: The coating also repels dust and dirt. That’s relevant around a camera finder, where particles can settle on the surface you look through and make the eyepiece due for a clean.
• Easy to clean: Nikon’s coating makes the eyepiece easier to clean. It’s a straightforward benefit for an optical surface that you look through directly, and it complements the coating’s resistance to water, dust and dirt.

Good to know

The compatible items specifically named for the DK-17F are the Nikon D5, Nikon D500 and Nikon DK-27. Those names are useful when matching this eyepiece to a camera or viewfinder accessory you already own. The D5 and D500 are camera models; DK-27 is also listed as compatible. Check the fit against the exact equipment you use, especially if you’re matching the eyepiece to an accessory rather than a camera body.

Technical Specifications

• Brand: Nikon
• Model: DK-17F
• Type: Viewfinder eyepiece
• Position: In front of the viewfinder
• Coating: Fluorine
• Surface properties: Repels water, dust and dirt
• Viewfinder effect: Reduces stray light entering the finder
• Image quality: Coating does not compromise image quality
• Cleaning: Coating makes the eyepiece easier to clean
• Compatibility: Nikon D5, Nikon D500, Nikon DK-27