Bikerbrent
Senior Member
If you want to learn about Back Button Focus, you can get a Free Back Button AF Guide For Nikon small book in PDF format. This book is from Steve Perry. Get it at:
https://backcountrygallery.com/free-back-button-af-guide-for-nikon/
https://backcountrygallery.com/free-back-button-af-guide-for-nikon/