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#1 |
Regular Crew
Join Date: Sep 2006
Location: Milford Michigan
Posts: 38
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Noise/Increased Gain issues with our XL-2
I was wondering if any XL-2 user is experiencing the same kind of problems I'm having when I slowly zoom away from a subject, such as an indoor plant, a table, etc, & the noise around the image really picks up.
when I'm just static on a subject, such as a potted plant, the image looks really sharp. The minute I zoom away, noise picks up almost everywhere. I'm using manual settings, & I have gone in & tweaked the colors, the blacks, the iris, etc. as well as skin control, & it still seems to be there. Any suggestions would be greatly appreciated. |
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#2 |
Major Player
Join Date: Jun 2006
Location: chattanooga, tn
Posts: 721
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It's hard to venture a guess without seeing any footage, but maybe when the aperture opens up due to the increasing focal length of the zoom, the increased level of exposure is making grain fro your gain setting more apparent? Are you not seeing this noise with a static wide framing of the same subject at the same exposure settings?
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#3 |
Trustee
Join Date: May 2003
Location: Tulsa, OK
Posts: 1,689
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Need to know all your settings, my guess is that you have auto gain on and the long lens is masking it more. The wider you are in most cases, the more shadows you introduce, video cameras like to artificially illuminate these areas which can cause a grainy look. There are many many ways to cover this, just depends on the look you need. Post a clip or your settings.
ash =o) |
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#4 |
Inner Circle
Join Date: Sep 2002
Location: San Mateo, CA
Posts: 3,840
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Check to see if your XL2 has the 'film grain' function. If it does, make sure it's off.
Otherwise, my guess is you have auto gain on. |
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#5 |
Regular Crew
Join Date: Sep 2006
Location: Milford Michigan
Posts: 38
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Where would I find the "film grain" in the menu?
Richard;
Where would I find the "film grain" function in the menu, if I had one? Thanks; Peter N. Vaughn |
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#6 | |
Trustee
Join Date: Feb 2005
Location: Worldwide
Posts: 1,589
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Quote:
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#7 |
Major Player
Join Date: Jun 2005
Location: Bend, Oregon
Posts: 206
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There isnt a "film grain" setup on the xl2. It is most likley auto gain in a dark room. I would put it into manual, and dial the arpeture first (iris), whitebalance, shutter (Probably want it around 1/60), ND filters, then dial in the gain last. If the place is dark and you have to use a lot of gain, I would go into the preset settings and turn on the noise reduction to medium or high.
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#8 |
Trustee
Join Date: Feb 2005
Location: Worldwide
Posts: 1,589
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[QUOTE=Wes Coughlin]There isnt a "film grain" setup on the xl2. QUOTE]
There is a functional Film Grain on the first XL2 bodies. It just adds grain, so doesn't anhance the performance of the XL2 so was quickly dropped in later production of XL2 bodies. |
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#9 |
Inner Circle
Join Date: Sep 2002
Location: San Mateo, CA
Posts: 3,840
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Wes,
There IS a film grain button on my XL2. I was an early buyer. And it does add 'gain like' noise. It looks like *!#@! But it might have been turned on accidentally. I should have explained it was discontinued in later models. |
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#10 |
Trustee
Join Date: Feb 2005
Location: Worldwide
Posts: 1,589
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I also have an XL2 body with the F/Grain button.
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#11 |
Major Player
Join Date: Jun 2005
Location: Bend, Oregon
Posts: 206
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My bad. Sorry for my ignorance.
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