| Author | Thread |
|
|
11/13/2005 10:54:50 PM · #1 |
Has anyone ever tried this tip? I found it on a website. I used it tonight on some "still life" as a test. It worked better than regular focus methods because you just rock back and forth very slightly, when the object is in focus, camera fires. There is no delay or movement because your shutter button is already fully depressed.
I'll shoot some bugs Monday.
KS
Edit...
Here is one right from the camera using this technique. Focus was on his eyeball!
*******
TRICK: You can get the D70 to wait and release the shutter only when an object has moved into a preset focus distance if you set the AE-L/AF-L button to AF ON (set in custom function #15) and then keep the shutter pressed all the way down while NOT pressing the AE-L/AF-L button. This is called Trap Focus. Some people report that this works great for getting sharp macro shots on their D70s. How does this trick work? Presuming you have the camera set to AF-S (CF #02) the camera won't shoot until it thinks the subject is in focus. By setting the AE-L/AF-L button to AF-ON the camera won't focus itself unless you press that button. If you don't press the AF button or focus ring the camera has to wait for the subject to move and when the "in focus" dot lights up the camera will shoot so long as you've been holding the shutter button all the way down. This trick works so long as you have the camera and lens set to AF-S mode and keep holding the shutter all the way down. If you set the camera to manual or touch the focus ring on an AF-s lens while holding down the shutter it will shoot at the wrong time. It's a primitive hack and I doubt it's smart enough to predict subject motion for good results photographing something like horses jumping over a fixed object, but worth a try. It also doesn't work if the subject is moving so fast that the camera doesn't notice it's in focus as the object flies by. Of course you need to prefocus the lens where you want it while not holding the shutter down.[]
Message edited by author 2005-11-14 15:22:38. |
|
|
|
11/13/2005 11:02:37 PM · #2 |
Originally posted by kenskid:
Has anyone ever tried this tip? I found it on a website. I used it tonight on some "still life" as a test. It worked better than regular focus methods because you just rock back and forth very slightly, when the object is in focus, camera fires. There is no delay or movement because your shutter button is already fully depressed. |
I've seen the how-to on trap focus before, but i've never bothered to change my settings to try it out. I prefer to have my AE-L/AF-L set to lock exposure only. I tend to shoot in spot mode more than not, so it's useful to be able to focus on one area and meter on another...
sounds like it could be useful in certain situations, though... let us know how it works out for you and the bugs...
|
|
|
|
11/14/2005 01:13:42 AM · #3 |
the 1D has this setting in the custom functions, but it doesn't work very well. I tried it for extreme macro, and the camera almost never thought the shot was in focus. I wonder if it's similar with the D70?
|
|
|
|
11/14/2005 01:55:09 AM · #4 |
The D70 (and most likely s) does this as long as it is set to AF-S (Menu #2) AF-0N doesn't have to be on and you can leave your AE-AF to whatever you do use. start at just out of focus and move (definitely works best with the highest shutter speed. But then again, shooting macro is usually done on a tripod). But it does come in handy while chasing bugs across the ground.
Message edited by author 2005-11-14 01:55:49.
|
|
|
|
11/14/2005 03:22:54 PM · #5 |
| See first post for an edit and a test shot. |
|
|
|
11/14/2005 03:27:14 PM · #6 |
wow sounds too confusing to me. I think I'll just use the old-fashioned way heh.
|
|
|
|
11/14/2005 03:30:12 PM · #7 |
Not much too it once you spend a minute setting the camera. The main thing I can say is that when your object comes in to focus, there is no hesitation or movement from the photographer. The camera "fires" instead of making the "beeping" sound telling you to SHOOT!...
KS |
|
Home -
Challenges -
Community -
League -
Photos -
Cameras -
Lenses -
Learn -
Help -
Terms of Use -
Privacy -
Top ^
DPChallenge, and website content and design, Copyright © 2001-2025 Challenging Technologies, LLC.
All digital photo copyrights belong to the photographers and may not be used without permission.
Current Server Time: 09/11/2025 04:24:15 PM EDT.
