What are the key differences between the Nikon D750 full-frame and crop sensor models?

The key differences between the Nikon D750 full-frame and crop sensor models lie in their sensor size and resulting image quality. The D750 full-frame model has a larger sensor, providing better low-light performance and higher resolution images compared to the crop sensor model. Additionally, the full-frame model offers a wider field of view and shallower depth of field, making it ideal for professional photographers seeking top-notch image quality.