| Camera Maker | Nikon Corporation | Camera Model | NIKON D7500 |
| Aperture | f/10 | Color Space | sRGB |
| Exposure Value | -2 EV | Exposure Program | Aperture Priority |
| Exposure Time | 1/3 sec | Flash | No Flash |
| Focal Length | 18 mm | ISO | 200 |
| Metering Mode | Pattern | Date/Time | 2017:12:22 15:28:35 |
| Resolution Unit | Inch | X Resolution | 240 dots per ResolutionUnit |
| Y Resolution | 240 dots per ResolutionUnit | Compression | Jpeg Compression |
| Contrast | 0 | Exposure Mode | 0 |
| Saturation | 0 | Scene Type | Directly Photographed |
| Sharpness | 0 | Caption | This simple design prevents a rotating gearwheel from spinning in the opposite direction--a particular danger when the wheelo is used for lifting heavy loads. The angled bar that blocks the gear's reverse rotation is called a "pawl." Leonardo described it as a "servant." He designed this device to prevent loads from falling out of his revolving crane. |