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Focus, Sharpness and Resolution

Pipewelder

Iuka, US
89 posts

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"RE: Focus, Sharpness and Resolution"

Pipewelder Registered since 09th Jan 2013
Mon 21-Jan-13 01:24 AM

>Probably you are - but it's not so much of the camera, but the
>lens, and perhaps your skills. Particularly the flying ones
>require some skill as well as the right equipment.
>
I do understand the need for steadiness. I actually propped on a fence and carefully took the picture. Similar to the technique I used with the bridge camera. I zipped a few of the bridge camera pictures and put them on one of my ftp sites at http://weldingdata.com/FtpPublic/EagleCanon (2).zip These were handheld in a similar manner. I am leading to think its just the lens however clipping out 2 1000x1000 pixel sections shows a noticeble difference in sharpness.


>D5100? Was it a JPEG or a raw file? Assuming that it was a
>JPEG, the sharpness settings on DSLRs tend to be lower than on
>point-and-shoots or bridge cameras, since it is much more
>likely that a DSLR owner will want to post process the image.

I will have to study up on that. I would have figured the image was processed the same or better in the DSLR but I am a bit new to the technical aspects of digital photography.



>Next, there's the consideration of just exactly what the AF
>was attempting to get into focus. In this case, you have a
>pretty tiny bird, surrounded by branches, nest and tree - all
>of which are at different focus distances. If you aren't
>careful about how you use the AF system, it would be VERY easy
>in this case to have the AF focused on something OTHER than
>the bird.

I was using the autofocus-auto mode with the 3d tracking. I will try the single point. I did play with these settimgs today and notice a loud click noise when I halfpress the shutter release. Took the lens off, put it back on, the clicking stopped.

>
>The flying birds are another story altogether. Were you
>tracking them, or did you simply try to get one in the middle
>of the air? Do you have AF-C set?

I was still on AF-A but multiple dots were on the bird in the air but I didn't notice if the lens was continiously focusing.


Thanks again for your information. This is a great forum.

Visit my Nikonians gallery.

A general, generic topic Focus, Sharpness and Resolution [View all] , Pipewelder , Sun 20-Jan-13 02:55 AM
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