KalKal
Superstar
1. Nice. I had the Mark 1 version and I’m always surprised looking back at some of my old photos how many of my favorites were taken with that camera. You have a really good piece of kit there. I gave mine to one of my former players and I miss it.
2. Shoot RAW, always. If you want to get something up on social media fast, shoot RAW + (Very Fine) JPG. For the shot you posted above, I would expose for the highlights (the sky) and brings the shadows (the rocks in the foreground) up in post. Shooting RAW will give you the necessary room to balance shots like that out.
Manual focus can be handy in certain situations, especially in your post further up trying to get shots through fences. @KBadd answered your question for getting those photos right. RAW and shooting Manual mode will give you the most control over your shots, it will take time to get it but once you do, you'll see you have way more creative control.
It just goes to show how impressive Google's software is that it can automatically figure out in software how to make a visually pleasing photo instantly.