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Photo Forum / Digital Photography / ZLR Cameras / February 2006Panasonic FZ30 With 2GB SD Card?
Does anyone have any experience using the FZ30 with a 2GB SD card? (I'd be flabbergasted if it supported 4GB.) Does a larger memory card run the battery down faster? TNX, Nemo I use a 2 gig card in my FZ30. Works great. You get about 500 shots at highest quality and resolution and about 25 minutes of video. You'll want a card reader cause the camera is slow uploading compared to a reader. For example. 30 shots at full resolution upload from the camera in about 4 to 5 minutes or about 10 seconds using a card reader. I use a Patriot card. They are high speed-133x, I believe. ed > Does anyone have any experience using the FZ30 with a 2GB SD card? (I'd be > flabbergasted if it supported 4GB.) [quoted text clipped - 4 lines] > > Nemo >Does a larger memory card run the battery down faster? Only if the gears aren't aligned properly, that throws off the drive chain and the binding causes excessive power draw. I realize this question seems a bit naive. I am not an electrical engineer, but I understand that in the case of DRAM, you have to keep the entire assemblage of memory chips refreshed. The SD card is presumably flash memory, but I was unwilling to assume without knowledge that it was not somehow necessary to light up the whole chip. If, for example, you had erased a block of shots, and the camera was examining the file system on the card for memory to be reused, etc. The drain might be trivial, but who knows? Another question might be QA. I have read somewhere that the early batches of 2GB cards were flakey. --Nemo >>Does a larger memory card run the battery down faster? > > Only if the gears aren't aligned properly, that throws off the drive chain > and > the binding causes excessive power draw. > I realize this question seems a bit naive. I am not an electrical engineer, > but I understand that in the case of DRAM, you have to keep the entire [quoted text clipped - 4 lines] > card for memory to be reused, etc. The drain might be trivial, but who > knows? Yes, it is flash memory. It takes no power to maintain the stored bits. The standby power needed to keep the embedded controller alive is probably trivial. A quick Google query turned up data on the power consumed by various operations, but nothing on standby power consumption or whether it increases with the size of the array. The card's controller takes care of managing free blocks, since it needs to spread the wear over all the blocks in the array. The camera does not ever examine the filesystem for blocks to be reused I'm not an EE either, but the data available with small effort suggests that any relationship between card capacity and power consumption is so trivial as to be not worth worrying about. Certainly, the camera's processor consumes much more power in monitoring its universe than is used by an idle memory card. Paul Allen Thanks for the info. "The only stupid question is the one you don't ask." Of course, there is such a thing as a stupid person.... >> I realize this question seems a bit naive. I am not an electrical >> engineer, but I understand that in the case of DRAM, you have to keep the [quoted text clipped - 21 lines] > > Paul Allen >>Does a larger memory card run the battery down faster? > > Only if the gears aren't aligned properly, that throws off the drive chain > and > the binding causes excessive power draw. Therefore you have to lubricate the drive chain. Panasonic FZ30 documentation says max SD size is 2GB. Also recommends SD with speeds above 10MB/s which is sometimes called 66 X times speed or more for video mode. Jay. Is that because the largest Panasonic made at the time was that size? >Panasonic FZ30 documentation says max SD size is 2GB. Also recommends SD >with speeds above 10MB/s which is sometimes called 66 X times speed or more [quoted text clipped - 3 lines] > > Maybe it is because of FZ30 algorithm for creating folders and naming/numbering the photos it writes to the SD card. Jay. > Is that because the largest Panasonic made at the time was that size? > [quoted text clipped - 3 lines] >> >>Jay. |
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