t******k
发帖数: 5617 | 1 http://www.canonrumors.com/forum/index.php?topic=20949.msg39764
Pros
Minimal - and I mean it - CA (you can hardly spot them)
Excellent sharpness from center to corner
Very low barrel distortion for an ultrawide zoom lens
Simply unbelievable resistance to flare - reminded me the 24-70II (perhaps
even better)
Very nice ergonomics - built quality - smooth focus/zoom rings
IS only a fraction louder than the one inside 24/28/35 IS USM
Beautiful bokeh!
Cons
Vignetting at f/4 at 24mm and especially at 35mm
Definitely a classic!!!
他的图看着很诡异，好像糊了一样
1st shot 16mm, f/11
2nd shot 16mm, f/8.
The 2nd shot comes with details from bottom left and top right to help you
evaluate how minimal the CA are... I haven't correct them..
3rd shot 16mm, f/5.6.
那个人后面说自己‘Just a humble technical editor - for the last 12+ years -
reviewing stuff...! ’
P.S.老金给补个图行不？ |
r*******1
发帖数: 4394 | 2 说服自己 不需要理由
上！
【在 t******k 的大作中提到】
: http://www.canonrumors.com/forum/index.php?topic=20949.msg39764
: Pros
: Minimal - and I mean it - CA (you can hardly spot them)
: Excellent sharpness from center to corner
: Very low barrel distortion for an ultrawide zoom lens
: Simply unbelievable resistance to flare - reminded me the 24-70II (perhaps
: even better)
: Very nice ergonomics - built quality - smooth focus/zoom rings
: IS only a fraction louder than the one inside 24/28/35 IS USM
: Beautiful bokeh!
|
t******k
发帖数: 5617 | 3 我在怀疑真实性呢，第一张看着跟手机拍的似的。。。
【在 r*******1 的大作中提到】
: 说服自己 不需要理由
: 上！
|
o****p
发帖数: 9785 | 4 东西出来之前很久就有签约的试用人玩过了，这个晚了吧？
【在 t******k 的大作中提到】
: 我在怀疑真实性呢，第一张看着跟手机拍的似的。。。
|
t******k
发帖数: 5617 | 5 但是一直没有review放出来啊
【在 o****p 的大作中提到】
: 东西出来之前很久就有签约的试用人玩过了，这个晚了吧？
|
l******s
发帖数: 3045 | 6 焦外都重影了，不象
【在 t******k 的大作中提到】
: http://www.canonrumors.com/forum/index.php?topic=20949.msg39764
: Pros
: Minimal - and I mean it - CA (you can hardly spot them)
: Excellent sharpness from center to corner
: Very low barrel distortion for an ultrawide zoom lens
: Simply unbelievable resistance to flare - reminded me the 24-70II (perhaps
: even better)
: Very nice ergonomics - built quality - smooth focus/zoom rings
: IS only a fraction louder than the one inside 24/28/35 IS USM
: Beautiful bokeh!
|
t******k
发帖数: 5617 | 7 最后一张倒是挺像的
【在 l******s 的大作中提到】
: 焦外都重影了，不象
|
t******k
发帖数: 5617 | 8 那人放出了更多评测
http://www.canonrumors.com/forum/index.php?topic=20949.msg39780
Well, first of all I apologize because I made a small error... Vignetting is
obvious at maximum aperture only of 28mm (not 24mm) and a bit more at 35mm
For those asking about AF accuracy:
The lens show a tendency to back focusing a little, something you spot when
focusing from 1-1.5 feet or less at maximum aperture. I made a
microadjustment of -8 and everything is perfect!
Do I find the IS useful in a UWA lens?
Absolutely. On one hand you get huge advantage when you shoot still (or near
-still) subjects. On the other hand don't forget that this lens target
videographers as well. The IS is extremely smooth and you can only notice it
(hear) when it's turning on or off, not while working.
In the following images you can see the vignetting - which I consider to be
of less importance as it is easily fixed - from f/4 to f/8 at 16/24/28/35mm,
and the great resolution achieved at the corners of the image (detail from
100% crop) at 16/24/35mm. It's worth mentioning that I haven't correct
vignetting and CA, just some tonal values.
All in all it's a magnificent lens guys. Just placed it on top of my list!
似乎有backfocus issue，另外35端暗角真的很大 |
