for D850: Specifically designed to match the for D850, this replacement back button strip ensures a seamless fit and functionality, restoring your camera to its optimal state. Comprehensive Functionality: Includes the essential Zoom In/Out, Unlock, and OK buttons, making it a complete solution for back shell button repairs. Replacement: Made with materials to withstand regular use, ensuring and reliability for your photography needs. Easy Installation: This part is engineered for a straightforward installation, allowing you to quickly get back to capturing important moments without extensive downtime. Essential for Repairs: Ideal for fixing common issues with button responsiveness or damage, this strip is a must-have for maintaining your camera's functionality. Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: As Shown Material: ABS Package Contents: 1 x Back Button Strip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.