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m43镜头的虚化如何比较?
avatar
s*r
2
小底的景深经常为人所诟病。也有用户咬牙说不重要。重要与否是主观问题。
不过客观上对比同样焦距的m43镜头,比如都是四十毫米,一个f 2.8, 一个f 4景深差
别是否可以觉察,或者说虚化效果?
avatar
c*o
5
Schwab, Scotttrade, TD都说批了。
avatar
c*o
8
你更猛。

【在 t****e 的大作中提到】
: 这个是去年的
avatar
t*e
9
看错了。。。这个是另一个公司。。。

【在 c*******o 的大作中提到】
: 你更猛。
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w*8
10
fda 出来了
avatar
g*a
11
yep,so does IB. Just need to see the detail, such as labeling and
restrictions.

【在 c*******o 的大作中提到】
: Schwab, Scotttrade, TD都说批了。
avatar
c*n
14
Chelsea Therapeutics International, Ltd. (Nasdaq: CHTP) today announced
that the U.S. Food and Drug Administration ( FDA ) granted accelerated
approval of NORTHERATM (droxidopa) for the treatment of symptomatic
neurogenic orthostatic hypotension (NOH). NORTHERA is the first and only
therapy approved by the FDA which demonstrates symptomatic benefit in
patients with NOH.
NORTHERA(TM) (droxidopa) is available in 100mg, 200mg and 300mg capsules.
avatar
c*n
15
看来是Conditional approval
The NORTHERA approval was granted under the FDA's accelerated approval
program, which allows for conditional approval of a medicine that fills a
serious unmet medical need, provided additional confirmatory studies are
conducted. The package insert indicates that effectiveness beyond 2 weeks of
treatment has not yet been demonstrated, therefore the continued
effectiveness of NORTHERA in patients should be assessed periodically. A
multi-center, placebo-controlled, randomized study, which includes a 4 week
randomized withdrawal phase preceded by a three month open label run-in
phase, designed with the goal of definitively establishing the durability of
the clinical benefits of NORTHERA, has been preliminarily agreed to with
the FDA . Based on the contemplated study design, the trial would include
approximately 1,400 patients, which the FDA has agreed may be enrolled
over a six year period.
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