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EOS論壇裡頭有網友提到 40D 夜景拍攝拍到斜條紋狀
避免在使用手機靠近機身的(或是基地台靠近的地方)情形下長曝，以避免放射狀條紋
討論中有提到
5D 橫條紋的部分是這樣的(轉載)：
Chuck Westfall comments on 5D camera banding issues
Read more in Canon Camera | [Email this] |
Hi, Folks:
All of us here in the Camera Division at Canon USA are getting ready to spend the next 10 days in Florida working hard at the PMA show, so time for web monitoring has been somewhat scarce lately. In any event, as promised, Canon Inc. in Japan has indeed been actively investigating the claims of banding under certain conditions with the EOS 5D since the first reports surfaced shortly after the camera was delivered to the market. Here is what we have been told so far:
“There may be cases where random noise or pattern noise [banding] stands out in images taken at high ISO settings. This is because the noise component is also amplified at high ISO settings. Various measures are taken to reduce noise, but the fact is that it cannot be entirely eliminated technologically. We are continuing to work on reducing noise even further.”
“The following shooting techniques can reduce or prevent the occurrence of noise.”
* Whenever possible, use low ISO settings (ISO 800 or lower)
* For subjects that do not move, use One-Shot AF mode
“Horizontal line noise may be somewhat more noticeable for the following six lenses when compared to other lenses, but horizontal line noise with these lenses can be reduced by replacing parts.”
EF85mm F1.8 USM — Part No. YG2-0199-000
EF16-35mm F2.8L USM — Part No. YG2-2011-129
EF17-40mm F4L USM — Part No. YG2-2081-009
EF20-35mm F3.5-4.5 USM — Part No. YG2-0268-009
EF24-85mm F3.5-4.5 USM — Part No. YG2-0299-009
EF28-200mm F3.5-5.6 USM — Part No. YG9-2059-170 or YG9-2059-179
“Going forward, we will continue to work on even further noise reduction in the development of both cameras and lenses from now on. It would be difficult to completely eliminate noise, but we will continue to make efforts to reduce it.”
refer to:
http://www.canon-dslr.net/digi_bbs/wforum.cgi?list=tree&no=54535&mode=allread
http://www.canon-dslr.net/digi_b ... st&mode=allread
http://www.dslrphoto.com/2006/02 ... era-banding-issues/ |
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發表於 2008-1-10 23:46
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