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Not getting sharp photos ......
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Sep 1, 2015 09:36:36   #
Bill Houghton Loc: New York area
 
Mark7829 wrote:

Go away - you're not making sense. You really should try another "fools" forum.


Now Prefestor you were doing so well, then you start to degrees in name calling a trying to belittle people. Proving again that you are nothing more that a Troll on med's. You claim your an educator. I doubt it. I have never meet any professional that will allow himself such childish levels you have achieved on this site.

Oh and by the way, I take you up on your offer to post links about my girl friend and those other foolish raves you stated.

What surprises me, you can sometimes be so constructive.. I would strongly suggest your try boxers instead of briefs.

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Sep 1, 2015 11:21:15   #
Apaflo Loc: Anchorage, Alaska
 
Mark7829 wrote:
There are three buttons the camera for focus options. You have the manual, I don't need to explain.

Since you don't have the manual, apparently you need quite a bit explained.

Mark7829 wrote:
The bottom button would give him precision focus. He did not use that. Had he done so, he would have solved this issue. The OP said he used the middle button or cross hairs. That is what he said. There is no reason not to accept his explanation.

"The bottom button"???? There are no such buttons. There is one dial, which is probably what you are referring to. I'm not sure whether that was what the OP meant, or if he was just telling us the location of the manually selected focus point. It doesn't make any difference!

What you are claiming is unlikely, and nearly impossible. He would have to activate Auto Focus and then move the camera far enough to cause the focus point to be changed to an adjacent point. That is the way Dynamic Area focus works if and only if he is using AF-C. There is no reason to use AF-C, as the subject is stationary. There is no reason to enable AF and then move the camera far enough to cause a change in the focus point. And such a scenario is exceedingly unlikely.

Mark7829 wrote:
He does not need more DOF. There is adequate DOF for the focus point. The grasshopper is in the middle, dead center of the image.

An absurd assessment of composition. That grasshopper is too small to be "the object" of attention all by itself. The entire flower that it is sitting on isn't really large enough either, but might at least work.

He needs more DOF if that scene, at that distance with that focal length, is to provide a decent photograph. Photography 101.

Mark7829 wrote:
That should have been the focus point. There is no other subject in the image of note. The camera selected the leaf. It is the only thing in the image that is in focus and sharp. Are you going to say that the OP selected the leaf on the left and not the grasshopper?

Granted the grasshopper should have been the focus point, but it is not the only object of note. It is the center of the area of note! The camera did not select the leaf, it selected some other point that is on the same plane as the leaf. It appears the high contrast edge of the pedal behind the grasshopper may have been the specific object focused on. Every Nikon user manual (and probably every book that has ever discussed using Auto Focus) explains the problem of too much fine detail or too much high contrast detail that is on different planes but is within area seen by the "focus point". AF cannot decide which plane the photographer wants. In this case the objects in the scene that the "focus point" is viewing are on a plane oblique to the sensor. It seems to have chosen the highest contrast detail to focus on. (See page 70 of the D300 User Manual for a very simplified discussion.)

Mark7829 wrote:
Go away - you're not making sense. You really should try another "fools" forum.

You really would prefer if people left your nonsense alone in a "fools forum" all your own, wouldn't you. You are welcome to your opinion, but so is everyone else. Every single article of yours has contained at least one attempt at this sort of Ad Hominem, which logically suggests that you know already, and very clearly, that what you are saying is not logically sound and cannot be supported.

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Sep 1, 2015 12:04:07   #
Mark7829 Loc: Calfornia
 
Apaflo wrote:
You really would prefer if people left your nonsense alone in a "fools forum" all your own, wouldn't you. You are welcome to your opinion, but so is everyone else. Every single article of yours has contained at least one attempt at this sort of Ad Hominem, which logically suggests that you know already, and very clearly, that what you are saying is not logically sound and cannot be supported.


I am done..(Bill H. says we are done) The OP miss-selected the AF mode - selector on the back of the camera. He even said so himself and agreed that was the problem. It can not be simpler. At this point contact the OP and talk with him directly.

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Sep 1, 2015 12:19:35   #
Apaflo Loc: Anchorage, Alaska
 
Mark7829 wrote:
I am done..(Bill H. says we are done) The OP miss-selected the AF mode - selector on the back of the camera.

Cite everyone else if you like, but you are the one who failed to make a valid point.

Mark7829 wrote:
He even said so himself and agreed that was the problem.

Another fabrication on your part.

Mark7829 wrote:
It can not be simpler. At this point contact the OP and talk with him directly.

The simple part is that what you have said is simply not valid.

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Sep 7, 2015 13:38:18   #
TomV Loc: Annapolis, Maryland
 
AzPicLady wrote:
Everyone seems to be telling you to increase your shutter speed. But I think you need to increase your DOF. There is a very small section of your flower picture that is in focus. Compare the flower to your indoor fire alarm. In the fire alarm you have a VERY small area that needs to be in focus. In the flower, you would want more of the image in focus.

I would START with f8 and go up (down) from there. If there's a breeze, you'll need to watch your shutter speed and maybe increase your ISO to accommodate.
Everyone seems to be telling you to increase your ... (show quote)



:thumbup:

The flower photo has a lot of clutter that will fool your focus spots and the system will choose an average focal plane which happens to be behind your intended insect. The DOF is shallow because of the combo of fstop and subject distance, thus relegating the insect out of focus. Simply moving your position/angle to the left may have improved things by changing the focus spots relative to the insect. Just backing up will increase the DOF with the same camera/lens settings.

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