Why It's Easier to Succeed With 4k video clip Than You Might Think
http://fernandohdvu320.image-perth.org/10-wrong-answers-to-common-8k-stock-questions-do-you-know-the-right-ones
Though the above can help to isolate you subject matter, its just a begin. Know your matter, especially when capturing wildlife. Dont be fooled into imagining all factors of a picture should be sharp to get considered