These are the shots that go terribly wrong as often as not. Golden reeds make a great background, good contrast for the white birds. However, if I shift the heavy lens and lose focus, it may not coming back.

‘Moiré effect is a visual perception that occurs when viewing a set of lines or dots that is superimposed on another set of lines or dots, where the sets differ in relative size, angle, or spacing. The moiré effect can be seen when looking through ordinary window screens at another screen or background.’ (Google)

The above is ‘nerd’ speak I know, but that’s the explanation which makes me (and others) lose focus.

Canon cameras have a built in filter which is designed to offset Moiré. Well, not so much and it can get in the way. Canon users typically don’t want the filter. Other Mfgs. don’t have the filter built in.

Anyway, back from the rabbit hole. These shots worked. I did miss a few at the end but I already had these.