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March 29th, 2007, 05:48 PM | #31 |
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Ah okay, that's good. Since you say "navigate", what are the other options in that menu?
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April 9th, 2007, 09:12 PM | #32 |
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April 9th, 2007, 09:33 PM | #33 |
Barry Wan Kenobi
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In response to questions asked here: CINE mode is a fully automatic exposure mode. None of the parameters (shutter, iris, or gain) are "locked", they can all vary depending on the lighting conditions. However, the camcorder does seem to try very hard to maintain 1/48 shutter and 0dB of gain whenever possible.
But that's not guaranteed, and in a dark interior setting you may find yourself with 9dB of gain and a 1/8 shutter. So always make sure to feed the camera enough light and you should usually get 1/48 shutter with 0dB. You can lock exposure though, and force the camera to use 1/48 and 0dB, but you'd have to do so by forcing exposure to some known quantifiable setting first. My trick for that is that I've loaded up a white JPG on my cell phone; I can fill the HV20's screen with that white JPG and lock exposure and know that I've got 0dB and 1/48 on the EXP+/- scale all the way from -11 up to +6. Going to +7 through +11 will involve gain and slower shutters, so I avoid that. |
April 10th, 2007, 08:36 AM | #34 | |
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April 10th, 2007, 09:51 AM | #35 |
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Barry - how do you "lock" anything on the HV20 other than the shutter in Tv mode and apeture in Av mode? Won't the camera automatically compensate [either shutter, apeture or gain, as appropriate] as the scene(s) change?
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April 10th, 2007, 10:00 AM | #36 |
Obstreperous Rex
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Peter -- when in Tv mode, use the Exp. Lock button on the back of the camcorder.
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April 10th, 2007, 10:10 AM | #37 | |
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Edit: thinking about this, I don't think it locks exposure; rather it allows you to add or subtract 1 EV brightness but the camera will still adjust it's exposure. Am I missing something? |
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April 10th, 2007, 10:35 AM | #38 | |
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How do you download those files? The layout's confusing, there's nothing to click on, when I hit "download with basic" I get nothing to download with and I still don't see where to download. Very irritating. |
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April 10th, 2007, 11:26 AM | #39 | |||
Barry Wan Kenobi
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However, it does it the same way every time. So if you lock the exposure to a set IRE value (such as I do with the cell-phone-LCD trick) then any + or - adjustment of the EXP will result in predictable behavior. I've verified that using the cell phone trick, it locks in at 1/48 and 0dB, and I can change all the way down to -11 with it adjusting exposure only by changing the ND or iris; and up to +5 with it only opening up the iris. Any further than +5 and it will bring in gain or change the shutter. |
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April 10th, 2007, 11:32 AM | #40 | ||
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Again, I'm only working from what I've read, but I think there is an EXP lock joystick setting that allows you to adjust the overal exposure. Here, check out this greatly informative post by Dennis Wood. It has lots of great info, but also references the expsure settings that go up and down a total of 22 notches (I guess): http://www.dvinfo.net/conf/showpost....1&postcount=13 Quote:
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April 11th, 2007, 08:17 AM | #41 |
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