Skip to Main Content
David Busch's Sony Alpha a7R IV Guide to Digital Photography
book

David Busch's Sony Alpha a7R IV Guide to Digital Photography

by David D. Busch
December 2019
Intermediate to advanced content levelIntermediate to advanced
440 pages
16h 32m
English
Rocky Nook
Content preview from David Busch's Sony Alpha a7R IV Guide to Digital Photography

Mastering Autofocus Options

8

The autofocus system found in the Sony a7R IV is one of its most innovative features. The camera has the ability to lock in on subjects, track their motion, switch to face detection/tracking, then progress to even more precise eye detection—and then backtrack to the other methods as movement continues through the frame. That’s particularly impressive because, when mirrorless digital cameras were introduced, autofocus was something they weren’t particularly good at.

Indeed, the mirrors found in traditional SLRs had two distinct advantages: they allowed previewing an image through an optical viewfinder, and made it possible to direct some of the incoming illumination to a separate electronic autofocus system. ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

David Busch's Sony Alpha a7R III Guide to Digital Photography

David Busch's Sony Alpha a7R III Guide to Digital Photography

David Busch

Publisher Resources

ISBN: 9781681985725