A bit closer...
Apr 19, 2016 10:37:14 #
Here we are with another bunch from the neigbour's yard. I was still working through the camranger at this point, but this has some issues when trying to get really close up - no matter what 'focus range' I set on the lens, when I try to get close, the camera/ranger combination will focus towards infinity, then just stop when it reaches a totally amorphous blob. Still, some of these came out ok...
When I am processing these, I sometimes get the urge to crop in to just get the sharp flowers, but sometimes I like to get the whole field, with the line of sharpness through the middle. Call it an artistic decision, *snort*! At least next year, while we suffer through the last weeks of winter, I can come back and reprocess some of these to give me *something* worth posting...
When I am processing these, I sometimes get the urge to crop in to just get the sharp flowers, but sometimes I like to get the whole field, with the line of sharpness through the middle. Call it an artistic decision, *snort*! At least next year, while we suffer through the last weeks of winter, I can come back and reprocess some of these to give me *something* worth posting...
Apr 19, 2016 11:19:12 #
1. Do you not have the ability to manual focus through the CamRanger?
2. Is the auto-focus tied to the shutter so every shot gets refocused?
3. Is there a way to acquire focus first and shoot second?
2. Is the auto-focus tied to the shutter so every shot gets refocused?
3. Is there a way to acquire focus first and shoot second?
Apr 19, 2016 12:04:09 #
big-guy wrote:
1. Do you not have the ability to manual focus through the CamRanger?
2. Is the auto-focus tied to the shutter so every shot gets refocused?
3. Is there a way to acquire focus first and shoot second?
2. Is the auto-focus tied to the shutter so every shot gets refocused?
3. Is there a way to acquire focus first and shoot second?
Yes, you do focus manually with the camranger. You touch the spot on the screen, and the camera focus moves to that point. So that is yes, no and yes.
Problem is, I get the image on screen, but the flower I want to concentrate on is a bit too close. When I touch it on screen, the camera focuses the wrong way, towards infinity. Then, it gets a totally blurred screen and stops trying. It does this even when the af selector switch on the lens is set to the minimum limit, which is something like 1.2 - 3 feet.
I can reach down to the camera and press the back button, to cause autofocus, but there is no way to set it on the particular flower. I can jiggle it a bit manually, and this sometimes works, however I need to see the focused image on the tablet screen. While shooting in bright sunshine, of course, this has its own problems. When it works right, I touch the flower I want, and I can see on screen as it moves the focus point. Because of the glare, it isn't possible to see the focus critically, so I have to trust the device(s). Most of the time, it works. I have noticed that this focus mode through touching the tablet screen will not work for part of the image on the border. If I touch the very edge (about 1 inch) of the screen, the focus spot 'marker' appears further inwards to where my finger is. That is not related to the current issue, though. Because I have the camranger motorized head too, I can swivel the camera to get focus. If I were really wanting that particular framing, I could move it, focus, then move it back again.
I know that I could get down and dirty, and use the actual camera screen, but the reason I use this setup is that I have great difficulty in getting down that low - and extreme difficulty in getting back up again! Same problem exists with selecting a particular focus point on the camera.
I noticed this focus issue a lot that day. It seemed like the focus limiter switch on the lens was not doing anything. I haven't yet run tests, however, to see if it is a lens issue, a camera issue, or something to do with controlling through the camranger. The lens is the Canon 100 f2.8L Macro, and it is only a few months old.
Apr 19, 2016 15:11:16 #
Phil, these shots are beautiful, and I especially like the closeup blooms. I thought your focusing problem might be the setting on the lens, but you said it does the same thing no matter what the setting. It could be that the camera is searching for something with contrast to focus on.
Bloke wrote:
Yes, you do focus manually with the camranger. Yo... (show quote)
Apr 19, 2016 15:25:17 #
I'm not with my camera at the moment but I believe there are settings (maybe under custom) on the camera that tells the auto focus to (wording)
1. run to the end and quit
2. run to the end and return, then quit
3. keep trying to focus continuously
Sorry I can't remember the terminology exactly. Check this out and let us know.
1. run to the end and quit
2. run to the end and return, then quit
3. keep trying to focus continuously
Sorry I can't remember the terminology exactly. Check this out and let us know.
Bloke wrote:
Yes, you do focus manually with the camranger. Yo... (show quote)
Apr 19, 2016 22:25:17 #
Dixiegirl wrote:
Phil, these shots are beautiful, and I especially like the closeup blooms. I thought your focusing problem might be the setting on the lens, but you said it does the same thing no matter what the setting. It could be that the camera is searching for something with contrast to focus on.
That may be a good idea... When using the camranger, you are by necessity using liveview, and this *does* change the way that focus works... Can't remember the details off the top of my head, but I do remember reading that.
I need to run a few tests, I suppose. It's just finding the time and energy to do it is all!
As a separate issue, the day following this session, I had an problem with autofocus not working at all... The camera is a 5DII which I bought used on UHH, and has worked fine ever since, and the lens is almost new. I came back into the house and swapped the lens, trying that lens on my new 7DII, and got the same result, no AF. I also tried a different lens on the 5DII, *and got the same result*... So ok, swapping the lens to a different body, same failure mode, means the issue is in the lens, right? But swapping different lens on original body means the issue is with the body, surely... If I have explained this properly, then somebody will have come up with the answer by now...
Would you believe that - after more than a year of using it - I *forgot* that the cameras were set to use BBF???? I was merrily pressing down the shutter button and getting no focus, well Duh! I haven't focused that way in so long...
I hasten to add that this is really a separate issue. BBF is not involved in remote focusing, and when I was focusing at the camera I was using the back button. It was the day after that I had the brain fade...
Apr 19, 2016 22:30:45 #
big-guy wrote:
I'm not with my camera at the moment but I believe there are settings (maybe under custom) on the camera that tells the auto focus to (wording)
1. run to the end and quit
2. run to the end and return, then quit
3. keep trying to focus continuously
Sorry I can't remember the terminology exactly. Check this out and let us know.
1. run to the end and quit
2. run to the end and return, then quit
3. keep trying to focus continuously
Sorry I can't remember the terminology exactly. Check this out and let us know.
I am not sure about this. The point, though, is that the focus-limiter switch is meant to stop the lens from having to go the full length of its travel. If the lens is 3 feet, say, from the subject, but focused on 4 feet, it should not be heading off to infinity when set to the macro-end limiter (can't remember exactly what the limit is, but something like 2 feet to 4 feet or something). If it had failed to focus, but kept hunting within that smaller range, I would have understood the issue better. It has 3 selectable ranges, 2 - 4 feet, or thereabouts; 4 feet to infinity; and full range. It seemed to be acting as if it were on full range no matter which of the 3 settings I used.
Apr 19, 2016 23:20:16 #
Apr 20, 2016 07:42:13 #
Bloke wrote:
Here we are with another bunch from the neigbour's... (show quote)
Phil, love the set. These flowers are delicate in their beauty. Also interested in you using remote capability and will learn along with your posts.
Greg
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