New Canon 350D (DSLR Darkframe 大比拚! 300D, 20D, D70)
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- 中子星
- 文章: 1090
- 註冊時間: 週一 11 8月, 2003 16:10
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- 中子星
- 文章: 1090
- 註冊時間: 週一 11 8月, 2003 16:10
For the 300D's darkframe, I took the image in RAW format and converted it with the Canon software.HK.Raymond.Tse 寫:Your 300D's darkframe (I believe that camera was hand-picked by us) appears to be even better.
Do you adjust the jpeg image to 100% in PS before cropping ?
But bear in mind that 350D has 2M more pixel.
I have chosen the highest compression in its menu.
For the 20D's darkframe, I took the image in (JPEG large size + RAW) format, then I just copy the jpeg to my desktop, open photoshop and crop and then save. Since I was not using "save as" but "save", the jpg compression popup didn't popup.
I think in this way, photoshop save the image using the same compression as the orginal jpg.
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- 中子星
- 文章: 1090
- 註冊時間: 週一 11 8月, 2003 16:10
My 10D (1st batch in March 2003) was sold last August 2004 for upgrading.
Other 10D ownes may contribute here.
It appears that Canon improves 20D hot pixels quite a lot as their production goes on.
I tested shot 20D in Sept 2004 around room temperture of 20C odd and found a lot of objectionable hot pixels for 5min at ISO 1600. Now the hot pixels of current 20D are the lowest.
The same experience with 10D.
Lesson : Don't buy the 1st batch. Wait for factory improvements.
Other 10D ownes may contribute here.
It appears that Canon improves 20D hot pixels quite a lot as their production goes on.
I tested shot 20D in Sept 2004 around room temperture of 20C odd and found a lot of objectionable hot pixels for 5min at ISO 1600. Now the hot pixels of current 20D are the lowest.
The same experience with 10D.
Lesson : Don't buy the 1st batch. Wait for factory improvements.
我搵番之前 raymond 試過0既第一批 20d darkframe, 真係爭好遠咁喎.......
http://www.hkastroforum.net/bbs/viewtopic.php?t=2677
再 group 埋之前同 subaru 做過0既 darkframe 比較.
總算係執齊多幾部0既 DSLR 測試呢~ ^^
http://www.hkastroforum.net/bbs/viewtopic.php?t=3404
http://www.hkastroforum.net/bbs/viewtopic.php?t=2677
再 group 埋之前同 subaru 做過0既 darkframe 比較.
總算係執齊多幾部0既 DSLR 測試呢~ ^^
http://www.hkastroforum.net/bbs/viewtopic.php?t=3404
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