This provides some examples of what you can expect for:
Here you can see the writing on the trash cans – but somewhat blurred or “pixelated” at only 2MP.
Here you can see the writing on the trash cans – but somewhat blurred or “pixelated” at only 4MP.
Here you can see the writing on the trash cans – but somewhat blurred or “pixelated” at only 8MP.
Here is an 8MP Pan/Tilt/Zoom (PTZ) camera at normal (1x) zoom level.
The same camera zoomed in 4x.
The same camera zoomed in 8x.
This is an image using Infrared only.
Here is an image at night with nearby lighting available.
Notice how just a small amount of ambient light helps out the image significantly.