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August 26th, 2006, 06:03 AM
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#1 |
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New Boot
Join Date: Aug 2006
Location: Australia
Posts: 16
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Blurred Panoramic Images
Hi,
today I've used the Custom Presets for the first time. However, I noticed an annoying issue, some of the panoramic shootings were a bit blurred, I was shooting with the Iris at 9.5 so I shouldn't have seen such a result. Could it be because of the CP tunings? I pushed the Coring to +9 and the NR to High. Could this be the problem? Thanks a lot guys. Cheers Christian |
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August 26th, 2006, 06:29 AM
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#2 |
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Major Player
Join Date: Jun 2004
Location: McLean, VA United States
Posts: 749
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It would be the noise reduction which works by adding several frames together and taking the average. Thus any objects in motion will be smeared (leave a trail). Also I would think coring set that high would turn any textured surface to plastic but it shouldn't cause any blurring.
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August 26th, 2006, 10:18 AM
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#3 |
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Trustee
Join Date: Jan 2006
Location: New York, NY
Posts: 1,267
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Christian,
Running the Iris on the standard lens at 9.5 could also be part of the problem. The Iris on this lens pretty much closes to black the next step after that. Many lenses get soft at the extreme ends of the Iris. The other comments about your settings also apply |
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August 26th, 2006, 12:35 PM
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#4 |
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Major Player
Join Date: Nov 2005
Location: Vittsjö, SKÅNE, SWEDEN
Posts: 266
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Christian,
Try some test pictures at different apertures. I try to avoid 9.5 and instead use ND or decrease the exposure time if possible. You will see aperture from about 8 and up is not as good as the lower numbers. These HD cameras are really living on the edge of the law physics, optics, electronics, lense design etc. The resulting picture is stunning but a lot of things can degrade it here and there if you are not careful. Good luck! /Johan |
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August 26th, 2006, 07:40 PM
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#5 | |
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Trustee
Join Date: May 2003
Location: Tulsa, OK
Posts: 1,689
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Quote:
In 1/3" CCD world try to not go more closed that F6 or so, and NEVER more than F8. Coring is an adjustment used to cover digital noise caused by oversaturated colors or increased gain, it can also be used to take the dancing out of tight patterns but it will overall soften the image. NR should never be on high unless you are doing static shots with no movement and in this case it should not be needed at all... ash =o) |
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August 27th, 2006, 01:25 PM
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#6 | |
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Major Player
Join Date: Aug 2004
Location: Snellville, Georgia
Posts: 614
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Quote:
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August 27th, 2006, 04:56 PM
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#7 |
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New Boot
Join Date: Aug 2006
Location: Australia
Posts: 16
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Thanks a lot guys, your help is much appreciated. I'm pretty new to Video and I'm trying to use the photgraphy rules that, obviously, don't work for video shootings.
Cheers |
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August 28th, 2006, 10:43 AM
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#8 | |
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Major Player
Join Date: May 2006
Location: Incline Village, Nevada
Posts: 604
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Quote:
NR2 does not produce trails/blur but is far less aggressive with noise reduction but can be used with motion. |
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August 28th, 2006, 02:51 PM
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#9 |
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Major Player
Join Date: Nov 2004
Location: Las Vegas, NV., Los Angeles, CA,
Posts: 220
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really you shouldn't stop down past 5.6, at that point the depth of field is pretty much endless and after that the 1/3" format begins to crack rather rapidly
__________________
Jon Bickford, Trepany Films San Pedro, CA Trephine001@aol.com |
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