The AF button on higher end cameras, or the OK button on the lower end cameras. They can be set in a variety of ways.
On Sun, Aug 26, 2012 at 6:57 PM, Brian Walters <[email protected]> wrote: > Quoting David Parsons <[email protected]>: > >> I love back button focusing, though it is a bit confusing picking up >> someone else's camera or when they pick up mine. > > > > > Back button focus?! > > I've *really* got to read the manual...... > > > > Cheers > > Brian > > ++++++++++++++++++++++++++++++++++ > Brian Walters > Western Sydney Australia > http://lyons-ryan.org/southernlight/ > > >> >> It seems to confuse the hell out of some people (photographers no >> less) when they have to press two buttons to get a sharp picture. At >> least with the K-5, putting it in green mode resets it so my wife and >> I can get some pictures in focus when on vacation. >> >> On Sun, Aug 26, 2012 at 3:20 PM, George Sinos <[email protected]> wrote: >>> >>> I saw a reference to "Back Button Focus" in the Shroud of Turin thread >>> and thought I make the comment here. >>> >>> After trying Back Button Focus quite some time ago it's become my >>> preferred method of setting focus on the camera. My eyesight has >>> demanded the use of auto-focus for many years and I find separating >>> focus from the shutter button to be a much more natural way to use the >>> camera. >>> >>> Once you focus on a subject, the focus stays put and you don't need to >>> worry about keeping that shutter button half-pressed. >>> >>> Follow-focusing a moving subject becomes a bit easier for a lot of >>> people. Leave the camera in continuous focus mode, when you're ready >>> to shoot, let go of the focus button and press the shutter. >>> >>> It's one thing that I teach as a "suggested method" in my classes. >>> It's interesting that people seem to fall into two camps. Some people >>> get the hang of it right away. Most of that group acts like a light >>> bulb was suddenly turned on and they wonder why the cameras don't come >>> set that way from the factory. The other group doesn't find it useful >>> and wonders why you would ever do such a thing. I don't say either >>> way is the best way for everyone. It's definitely a personal >>> preference. >>> >>> I do suggest that if you're going to try it, do so for at least a >>> week. It takes a little while to get used to it and switching back an >>> forth is confusing for most people. >>> >>> For me, it seems very natural to focus with the back-button, the >>> half-press only effects the light meter, and a full-press fires the >>> shutter. Maybe it's because I'm an older guy. For the first >>> thirty-odd years that I used cameras, focus was left-hand, shutter was >>> right hand. There are a couple of generations of people that have >>> never known anything but auto-focus cameras. Maybe that separation >>> from the shutter button seems unnatural. >>> >>> gs >>> >>> George Sinos >>> -------------------- >>> [email protected] >>> www.georgesphotos.net >>> plus.georgesinos.com >>> >>> -- > > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. -- David Parsons Photography http://www.davidparsonsphoto.com Aloha Photographer Photoblog http://alohaphotog.blogspot.com/ -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

