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HDC-SD707: Nahaufnahmen im Theater werden unscharf!

HDC-SD707: close-ups in the theater are blurred!



Frage von Riki1979:
Januar 2011

Dear filmmaker,

I have recently recorded in a theater here with me in Berlin program. But every time I wanted to zoom in close to the artist, the picture suddenly blurred! It was only when I zoomed back, it was again sharp!

I would take this as it may, nor any Lens etc, so the close-ups are synonymous sharp? Possibly a teleconverter or something similar?

Incidentally, I have the "intelligent auto" is turned off and made everything manual (exposure settings, etc. ..).

LG Ricardo!



Antwort von MarioX:

In the theater it's for a camera, despite the spotlight very dark, so ideally you have the smallest f-stop (aperture) is set. In the wide open aperture Angleist so large that there is enough light into it at a low ISO setting. Telephoto (to close ranzuholen) the aperture is no longer at f1, 7 but f3.5 or so, so less light comes through the Lens. This is not underexposed, the camera automatically selects the ISO sensitivity auto high. This in turn leads to significant loss of detail through noise and the smoothing-camera by the noise suppression!



Antwort von jakson1958:

Hello!
You write yourself that all "manual" you've made.

Therefore I assume that you have deactivated the auto focus synonymous and the manual was found on -> which would then explain the zoom blur and you would have in the case just with the hand set to the field.

There are situations where the manual focus adjustment makes sense, but I film to 98% with autofocus and good it is.

Greetings from Bavaria

jakson1958






Antwort von MarioX:

Also a possibility! ;-)



Antwort von Riki1979:

So it was definitely NOT s.Autofokus, and they were activated! There must be another reason for the fuzziness verantwurtlich. The stage was not lit entirely synonymous, it was illuminated only by the artists. And if the autofocus would have been turned off, then my camera "MF would be displayed.

Quote:
This is not underexposed, the camera automatically selects the ISO sensitivity auto high. This in turn leads to significant loss of detail through noise and the smoothing-camera by the noise suppression!


My webcam is indeed the "Intelligent Auto", but I am principle, not because I have found that well-lit scenes are then exposed again (white heads, etc. ..)



Antwort von WoWu:

I like it so wrong now understood, but the point of focus is ALWAYS set in the zoomed state, if manual is focused.
Then it will wind up, but tightened the focus is not more if the original target object is to stay sharp.

This is partly because you have a different depth of focus on small and focal lengths have the sharpness can not really adjust well.

Or have I anything as misunderstood.



Antwort von nicecam:

I suspect synonymous following: As I said, theater problem!
As Riki has AF in focus the background while the main character in the left or right side acted. It may well suffice that the main character was a little off-center ...




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