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Topic: Zitting Cisticola 棕扇尾鶯 (Read 2284 times) |
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felixcat
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watch birds and be watched ...
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Re: Fantail Warbler
« Reply #15 on: Dec 30th, 2003, 6:54pm » |
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Thanks KK and Daniel.
The reason I asked such question is prehape due to the limitation of Nikon VR system as it is told that the VR should be switched off when the VR lens is mounted with a tripod. Thanks for your sharing.
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Hendrix
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Re: Fantail Warbler
« Reply #16 on: Dec 31st, 2003, 12:50am » |
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有意思, 一個由N轉C的DX剛試用了200-400VR, 他的一些看法:
I got to handle a 200-400/VR today at an impromptu meeting in NYC -- attached to a D2H,
of course. I will say this: it's one SWEET lens! I wasn't allowed to slip my own CF card
into the camera, unfortunately (though she considered it for a minute). The lens has some
awesome specs:
1) It's a "new" generation of VR that will also be incorporated into their long primes of
300/2.8 and greater (expect Feb/PMA announcement) that CAN be used on a tripod -- just
like Canon's latest generation IS.
內裝的新一代VR, 將在即將于PMA發布的新長定焦(300/2.8以上)中采用, 新VR和家能的新一代IS一樣
可以在腳架上使用.
2) It has a minimum focus distance of just six (6) feet (1.5 feet shorter than the
current 300/2.8 AFS, 4 feet shorter than 400/2.8 AFS)! At all lengths (a 400/4 lens that
focuses down to SIX FEET!)
最近合焦距离達到1.8M, 比新AFS 300/2.8 II近1.5尺, 比AFS 400/2.8 II近4尺!
3) She claims that it was designed, and was subsequently tested, to be as sharp as
Nikon's 400/2.8 AF-S II lens at 400mm wide open! The MTF curve is "alledged" to be the
highest for any 35mm AF zoom ever made, and very flat from f/4 - f/11.
nikon代理表示此鏡設計目標是在全開狀態和AFS 400/2.8II達到同樣解像力, 測試結果也証明
如此. 該鏡的MTF表現將是目前為止35mm系統所有變焦鏡頭中最高的. 曲線從F4到F11非常平緩.
4) It is weather sealed (I saw the O-Ring) throughout and the zoom does not bring in air
from outside the lens, so NO DUST accumulation after prolonged use.
鏡頭是密封的, 變焦時不會從外部吸入空气, 所以長時間使用后內部不會有塵土積聚.
5) It's BIG, but it at least FELT surprisingly light, believe it or not, and could easily
be handheld for reasonable periods of time. Using it with a nice, light CF monopod would
make this lens KILLER!
很大但很輕. 可以很容易手持相當長時間, 和一只輕便碳纖維獨腳架連用可成為無敵組合.
6) She made a rather bizzarre claim that, of course, could be just marketing speak. She
said that the 200-400, when used with the TC-20e II (a 2.0x teleconverter, for the
uninitiated), has a HIGHER MTF rating wide-open (f/ than does the 80-400/VR wide open
(f/5.6) at 400mm (800mm for the 200-400). I had her say it twice, just to make sure. If
so, WAY cool! She also said it would AF and VR on the D2-series. 800/8 usable on a
MONOPOD anyone?!
代理還發表了個奇怪言論, 也可能是做廣告, 她說200-400和TC20EII連用, 在F8時800mm端比80-400VR
在F5.6時的400mm端成像MTF要高. 她重复了兩遍. 如果是真的就太棒了. 她還說加上TC20E后在
D2系列上仍然正常AF/VR.
6) This may be the very thing that tips the scale back in Nikon's favor for me, bringing
me back to my beloved Yellow & Black
這只鏡頭可能使我重返我鐘愛的黃与黑
...
However, AF speed was as fast as anything I've ever used. Going from MFD of about 6 feet
(the rose at my table) to 30+ feet across the restaurant just happened.
AF速度是我用過的鏡頭里最快的, 從最近距离6尺到30尺開外瞬間完成.
I will add that, as much as you can tell from the D2H's LCD, Bokeh is STUNNING! It looks
on par with the 70-200/VR, especially on the flower shots at MFD at f/4. The shots LOOKED
sharp, but again it was impossible to tell on just the LCD.
我還要加一點就是, 至少從D2H的LCD上看Bokeh惊人地出色! 看起來和70-200VR一樣, 特別是在F4拍攝
的一些花的背景. 片子看起來很銳, 當然從LCD上看不了那么細.
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