I tried AF-ON before with the D90 and couldn't quite get used to it. I'm trying it again on my D7000, but I've set it only in the U2 mode so i can easily switch back to normal (or is it amateur) shutter-button AF if I get confused.
I have been using the AE-L/AF-L button for AF-ON on my D90 for a while. With AF-C I have the best of both worlds (press and release for fixed focus; press and hold for continuous focus).
But, because I'm a relative beginner, sometimes in my excitement to take a shot, I forget to focus. Once I was briefly worried that something was wrong with camera or lens because the images were so blurry. Overall, I'm happy with the change.
> sometimes in my excitement to take a shot, I forget to focus
I find myself pressing the shutter button and wondering for a second why the camera isn't focusing, only to remember that I have to push that other button. I'm still not 100% convinced I like the AF-ON mode of working but I'm giving it a good go.
Sun 20-May-12 11:34 AM | edited Sun 20-May-12 02:34 PM by Vlad_IT
My 2 c if I may. AF-ON usually needed, when due to busy surroundings, you one cannot rely on camera AF system or a focusing on a specific spot is required. AF-ON allows photographer to pre-focus in AF mode until desired point is in focus and left AF system left alone at that point. Many people, including myself at some point in the past, are trying to adapt using AF-ON all the time. It did not work for me as I found I more often in need to use my thumb to adjust Exposure compensation/ ISO on main dial, rather than duplicate AF function of shutter release button. But i do it permanently assigned to U2 fuction as part of my "Events Photography with Flash"
Vlad, I also have U2 set to AF-ON and other modes in normal shutter-button AF mode. I don't do event shooting so perhaps I'm just wasting my time, but I was hoping it might help a bit with exposure accuracy if I can meter the exact scene I'm shooting rather than the one I'm focusing on.
Mon 21-May-12 09:43 AM | edited Mon 21-May-12 09:52 AM by Vlad_IT
but I was hoping it might help a bit >with exposure accuracy if I can meter the exact scene I'm >shooting rather than the one I'm focusing on. >
1. AF-S mode does just that. Point, lock focus, re-frame, take a picture. 2. Using AE-L can do #1 in different sequence.
Some people were very upset D7000 did not have dedicated AF-ON s D300 had. I can agree that with body upgrade one should has not lose any functionality he/she had before. And they have a valid point, but D7000 not meant to be “pro” camera. D300 is good enough camera to be accredited to Nikon professional association (whatever it’s name) and D7000 not even included in the list. In my personal case I did not make switch of using AF-ON 100% of the time, but on other hand I do not like feeling of my battery grip – I just did not use to this new feeling. My “mechanical” memory tells me – something is not comfortable about using MB-D11 (3-rd party). But i stepped up from N90s to D7000 (with some gap in 8 years), so i just gain everything with D7000. So it’s a matter of habit, I guess.
If you stick with the AF-On button operation a bit longer it will be so automatic you will never even realize that step is independent of triggering the shutter. I found the AF-on button to be in the perfect location on the vertical grip which is good since most of my shots are in that orientation. The only time I switch the AF back to the shutter is when letting someone else use the camera. There are so many advantages, and the only downside is losing the AF/AE L function on that button. My new camera has both buttons so switching back and forth between D7000 and D800 is easy and automatic in common functions. Stan St Petersburg Russia