Saturday, June 30, 2012

+ SOFTNESS OF LOTUS +

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Wednesday, April 4, 2012

+ A DAY AT PARK +

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Sunday, August 28, 2011

+ CANON 10-22mm f3.5-4.5 vs TOKINA 11-16mm f2.8 SHARPNESS TEST +

I did a sharpness comparison between two wide-angle lenses.
最近做了兩支廣角鏡銳利比較。
CT_01
Left: CANON EF-S 10-22mm f/3.5-4.5 USM
Right: TOKINA 11-16mm f/2.8
Basically TOKINA 11-16mm is a little bit taller and heavier.
基本上TOKINA 11-16mm 比較重也比較長一點點。

Here is the look with lens hood: CANON's hood is noticeable large.
裝上遮光罩的樣子:
CT_02

The camera used for testing is CANON T1i (500D). Focus point was set at the center of frame. Here are the test images:
我使用CANON 500D測試,對焦點設定在正中間。接下來就是測試的影像:
FOCAL LENGTH: 10mm for CANON/ 11mm for TOKINA
APERTURE: f/3.5
CT_03
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CENTER(100%CROP)
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CORNER(100%CROP)
CT_07
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FOCAL LENGTH: 10mm for CANON/ 11mm for TOKINA
APERTURE: f/5.6
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CENTER(100%CROP)
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CORNER(100%CROP)
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FOCAL LENGTH: 10mm for CANON/ 11mm for TOKINA
APERTURE: f/8.0
CT_15
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CENTER(100%CROP)
CT_17
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CORNER(100%CROP)
CT_19
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Both lenses are sharp at their widest focal length. However TOKNIA 11-16mm seems less sharp at aperture f/3.5.

這兩支鏡頭都算很銳利。但TOKINA 11-16mm 似乎在光圈f3.5的時候,表現比CANON差一些些。


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