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ayhshum




註冊: 2007-08-16

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題目Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 24 日

Some photographer advised me to purchase Sigma 18-200mm F3.5-6.3 DC OS. Although its 焦距實用 and 有防手震, but the color of the photos I see from this lense are often not sharp.

The photos from the stupid kit lense I am using right now just always come out yellow. Right now, I am just looking for a lense that can give sharp color photos and possibly with anti-shake feature as well. Any suggestions please?
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ckshum




註冊: 2007-09-01

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 24 日

相片偏黃,尤其在燈光下,可能係white balance問題,未必關支鏡事。有無D相睇吓點黃法?

如果想買鏡,budget係幾多?
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gwu1




註冊: 2007-09-26

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 24 日

For Sigma or Tamron, the shorter range lens (e.g. 18-50mm) are quite sharp. Colour is okay too. Price is reasonable. For longer range like 18-200, review said they are quite soft at the long end.


To me, kit lens is quite okay. Very light in weight.

400D + kit lens

Photo Sharing and Video Hosting at Photobucket
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gwu1




註冊: 2007-09-26

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 24 日

I am not 100% sure, but yellowish pics maybe because you took pics under direct sunlight or because of the indoor light. maybe other c hings could share their experience with us.
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hanny




註冊: 2006-02-10

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 24 日

this is a techincal of how to controll white balance by yourseft

not only set auto white balance is enough

you have to try test and learn more about the enviroment light seting between white balance controll
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iso_ray




註冊: 2007-10-01

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 24 日

求求其其買是但一支L鏡都靚啦............
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ayhshum




註冊: 2007-08-16

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 25 日

How exactly can you check whether if it is the white balance problem? I think my white balance works, because I do see some difference after adjusting it, but the quality is still not up to my expectation.

Therefore, I suspect it is the kit lense problem and now wanted to change to a better quality lense.
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ayhshum




註冊: 2007-08-16

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 25 日

Will a larger 光圈 lense help solving the yellowish photo problem?
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cy001




註冊: 2007-08-29

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 25 日

對焦慢
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gwu1




註冊: 2007-09-26

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 25 日

Do you consider my pic above is yellowish? It is from kit lens.

Direct sunlight will give yellowish colour. Maybe you can show us some pic. Then we may be able to comment.
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barryspc




註冊: 2006-02-17

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 25 日

I just don't think buying a better quality lens can correct your yellow problem. it is more to the setting of the camera and the photographer.


lens choice for upgrade: any L lens, EFS- 17-85 IS, EFS-17-55 f/2.8
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ayhshum




註冊: 2007-08-16

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 26 日

To qwu1: I think your photo is perfectly fine

How do you upload a photo with the reply of msg here?
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ayhshum




註冊: 2007-08-16

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 26 日

To barryspc:

I am not sure right now if it is my camera's problem or if it is my incorrect settings with the white balance.

But as I mentioned before, I think my white balance does work, because I do see some difference after adjusting it, but the yellowish color just doesn't really go away, especially with indoor photos, even when I had put the setting to either "tungsten light" or "white fluorescent light".

And when I tried using the flash to get rid of the yellowish color, the whole photo comes too blue.
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barryspc




註冊: 2006-02-17

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 26 日

to ayhshum


Try using flash WB when using flash. that will correct the blue problem

use Tungsten indoor with light source from yellowish lights.

use flourescent light WB for white tube environment.

now they cannot 100% correct every situation, and that will stay the same even if you change to a different lens.

other way you can get a better results is to custom set your WB and tell your camera what white is like in different environment. then you can have better result, see my other post about wedding pics.
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barryspc




註冊: 2006-02-17

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題目Re: Want to purchase 新鏡頭 for Canon 400D     Post time: 10 月 26 日

http://www.dcfever.com/forum/read.php?f=1&i=562698&t=562698&phorum_auth=26dd7ef12a23349bd8bdc7685a562869&page=4
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