This weekend the frogs in my parents’ pond were spawning. One end of the pond was crowded with frogs. The only way to get a picture of them was to stay a long way back and to use my 300mm lens at it’s maximum zoom.
Even though it was a quite bright day, this is how the first picture came out:

Photo without VR
Fortunately the lens I was using had vibration reduction, so I switched it on and tried again.

Photo with VR
Which was quite an improvement.