This is a lesson from my Canon 70D Crash Course Training Video on how to focus It will also work for the Canon 80D. It covers the how, when and where of focusing which includes basic operation, Auto Focus Modes, and how to manage focusing squares. I also cover recomposing, as well as back button focus. If you are new to the Canon 70D you will want to check out the full tutorial training video, which is available now as a download and DVD: http://www.canontrainingvideo.com/index.php?main_page=product_info&cPath=3&products_id=63 My Canon 80D Crash Course Training Tutorial is now available. Click here: http://canontrainingvideo.com/index.php?main_page=product_info&cPath=7_12&products_id=100 A full line up of my training videos and products can be seen here: http://www.michaelthemaven.com/products * Michael The Maven is a participant in the B&H Photo affiliate program that provides an advertising commission if you purchase through these links. Purchase the Canon 70D Available on B&H Photo: http://www.bhphotovideo.com/c/product/986389-REG/canon_8469b002_canon_eos_70d_dslr.html/BI/2765/KBID/3688