Description
Item specifics – DK-21 Rubber Eyecup Eyepiece for NIKON D750 D90 D7000 D610 D600 D7100 D300E
Description
The DK-21 Rubber Eyecup Eyepiece is a small replacement accessory designed for the viewfinder of compatible Nikon DSLR cameras. It attaches directly to the cameraās eyepiece and acts as a soft rubber cushion for your eye while shooting.
It is commonly used with models such as:
- Nikon D750
- D610 / D600
- D7000 / D7100
- D90
- D300 series and similar bodies
Its primary purpose is to replace a lost, worn-out, or damaged eyecup while maintaining the original viewing experience.
Uses / Functions
Blocks stray light
The eyecup helps reduce unwanted light entering the viewfinder, allowing you to see a clearer and more accurate image when composing shots.
Improves viewing comfort
Made from soft rubber, it provides a comfortable cushion around your eye especially helpful during long shooting sessions.
Ā Better image composition
By minimizing glare and distractions, it helps you focus better on framing and details in the viewfinder.
Ideal for eyeglass users
The rubber edge reduces pressure and prevents scratches, making it more comfortable for photographers who wear glasses.
Ā Replacement accessory
It serves as a direct replacement for the original eyecup that comes with Nikon cameras, ensuring proper fit and function.
Ā Key Features
- Lightweight and compact
- Easy slide-on installation (no tools needed)
- Durable rubber material with plastic frame
- Secure fit on compatible Nikon DSLR viewfinders
- Affordable and widely available
Ā Simple explanation
Think of the DK-21 as a small rubber frame for your cameraās viewfinder that:
- Makes looking through the camera more comfortable
- Blocks light so you can see clearly
- Replaces the original part if it gets lost






