This is iso800, but the noise seems really high. I am using NR in lightroom. On previous cameras iso800 would have no noise with no noise reduction used at all. Those metal roof beams look like they are covered in grey carpet.
Camera Details: Canon, Canon PowerShot G1 X Mark III Settings: 1/50 at f/5, ISO 800, 15 mm Date: 17 September 2021 Time: 12:45:08