1、Compatibility: Camera viewfinder eyecup is suitable for DK‑29 camera. Easy installation, ready to install and use. Size is 50x33x21mm. A great accessory for all photographers. 2、Block External Light: Camera viewfinder eyepiece eyecup provides a nice way to block external light when looking through view finder. Without external light source interference, the observation effect is better. 3、Viewfinder Protector: Eyepiece eyecup for DK‑29 provides guard for camera eyepiece and keep the camera viewfinder away from dust. Effectively keep your viewfinder from impact and scratches. 4、Soft and Comfortable: Made of soft rubber, ABS material, foldable. The rubber design is comfortable and has strong abrasion resistance. Camera eyepiece eyecup allows more comfortable viewing. 5、Easy to Intall and Remove: Camera viewfinder eyecup mounts easily and securely to the viewfinder making an excellent spare or replacement item. Third party product, not original products. Item Type: Camera Viewfinder Eyecup Material: Rubber, ABS Product Size: Approx. 50x33x21mm / 2.0x1.3x0.8in 1 x Camera Viewfinder Eyecup