- Submit images in JPEG format.
- Use color space sRGB
- Minimum image resolution: 4 MP (megapixels)
- Maximum image resolution: 100 MP (megapixels)
- Maximum file size: 45 MB (megabytes)
- No watermarks or timestamps
- Do not upsample your files; submit the maximum file size that your camera can produce.
So, don't upsample your pictures!