The D850 is a high-performance DSLR camera designed for professional photographers and enthusiasts. Here are its key features:

1. 45.7 Megapixel Full-Frame Sensor: Delivers exceptional image quality with stunning detail and dynamic range, ideal for large prints and cropping.
2. Multi-CAM 20K Autofocus System: Features a sophisticated 153-point autofocus system with 99 cross-type sensors, ensuring precise focusing in various conditions.
3. Continuous Shooting Speed: Capable of shooting up to 7 frames per second (fps) in continuous mode, expandable to 9 fps with the optional battery grip.
4. 4K UHD Video Recording: Supports 4K video recording at up to 30 fps, along with full HD recording at 120 fps for slow-motion footage.
5. In-Body Focus Shift Shooting: Allows for focus stacking by taking multiple shots at different focus distances, perfect for macro and product photography.
6. Robust Build Quality: Constructed with a weather-sealed magnesium alloy body, making it durable and suitable for challenging shooting environments.
7. High-Resolution LCD: Features a 3.2-inch tilting touchscreen LCD with 2.36 million dots for clear viewing and intuitive touch controls.
8. Dual Card Slots: Includes dual card slots for CFexpress and SD UHS-II cards, providing flexibility and ample storage options.
9. ISO Range: Offers a wide ISO range of 64 to 25,600, expandable to 32 to 102,400, allowing for excellent low-light performance.
10. SnapBridge Connectivity: Enables wireless sharing of images and remote control of the camera via a smartphone or tablet.