适马发彪,发布爱死小黑,爱死大马,新黑人像头85/1.4,人造莹石FLD, 新机身SD15
71933
523
|
[15 楼] catchup
[注销用户]
10-2-21 08:18
用户已注销，历史内容不予显示
|
|
[14 楼] eguan88
[资深泡菜]
10-2-21 08:17
原文由 SleepingIII 在2010-02-21 18:10发表 而且佳能在85/1.8和85/1.2L中间有个空隙也被适马抓住了把柄. |
|
[13 楼] g1860
[泡菜]
10-2-21 08:16
路过留名。。。
|
|
[12 楼] SleepingIII
[泡菜]
10-2-21 08:10
原文由 易泽 在2010-02-21 08:08发表 Nikon的85 1.4是AF头吧，再不出AF-S，损失很大啊。 |
|
[11 楼] xiaop
[泡菜]
10-2-21 08:10
赞，期待那个85mm 1.4
希望价格不要像50mm 1.4比原厂还贵。 |
|
[10 楼] SleepingIII
[泡菜]
10-2-21 08:08
原文由 eguan88 在2010-02-21 08:05发表 ISXH还两片呢。。。不知道一片FLD和一片Canon的萤石相比如何。爱死小白兔一片萤石5片UD。爱死小黑2片FLD3片SLD。还有就是价格。。。 |
|
[9 楼] 易泽
[泡菜]
10-2-21 08:08
原文由 易泽 在2010-02-21 07:54发表 |
|
[8 楼] eguan88
[资深泡菜]
10-2-21 08:05
适马的人造莹石镜片FLD 已经用于新发布的爱死小黑, 8-16mm DC 和 17-50mm 2.8 OS.
|
|
[7 楼] joewatson
[泡菜]
10-2-21 08:04
适马牛 B啊！
|
|
[6 楼] digitaleos
[陈年泡菜]
10-2-21 08:01
貌似还是那块cmos,多少年了，CMOS难道一点都不长进?
|
|
[5 楼] skingkay
[老坛泡菜]
10-2-21 07:59
此帖要火，留痕！
|
|
[4 楼] SleepingIII
[泡菜]
10-2-21 07:58
刚过完节，Sigma就发彪了。。。
Stablized 70-200 2.8 85 1.4 17-50 2.8 EX DC OS HSM DP2s DP1x 8-16mm.f/4.5-5.6 DC Stablized 50-500 SD15 与萤石有相同效果的FLD镜片 …… [SleepingIII 编辑于 2010-02-21 08:01] |
|
[3 楼] 问心
[泡菜]
10-2-21 07:57
C、N挤牙膏，S搭积木，P搞中高，
反而是Sigma井喷，邪乎邪乎，鼓掌鼓掌！ |
|
[2 楼] 易泽
[泡菜]
10-2-21 07:54
|
|
[1 楼] eguan88
[资深泡菜]
10-2-21 07:50
http://www.dpreview.com/news/1002/10022016sigma70mm200mm.asp
    New optical glass FLD (“F” Low Dispersion) February 21, 2010: The Sigma Corporation (COO: Kazuto Yamaki, Kawasaki-Shi, Kanagawa) is pleased to announce that FLD (“F” Low Dispersion) glass, which has a performance equal to fluorite glass, has been adopted and used in our new high performance lenses. FLD glass is the highest level low dispersion glass available with extremely high light transmission. This optical glass has a performance equal to fluorite glass which has a low refractive index and low dispersion compared to current optical glass. It also benefits from high anomalous dispersion. Using these characteristics gives excellent correction for residual chromatic aberration (secondary spectrum) which cannot be corrected by ordinary optical glass and ensures high definition and high contrast images. FLD glass offers superior optical performance, equal to fluorite, at an affordable price. The density of FLD glass is lower than traditional optical glass, ensuring a lighter construction of large aperture lenses. FLD glass has been incorporated into some of our recently announced lenses; 4 elements have been included in the Sigma 8-16mm F4.5-5.6 DC HSM as well as 2 elements in both the Sigma APO 70-200mm F2.8 EX DG OS HSM and the Sigma 17-50mm F2.8 EX DC OS HSM. Sigma, as a leading manufacturer of lenses, is continually innovative in the use of new materials and lens designs. [eguan88 编辑于 2010-02-21 07:59] [2010-02-21 13:53 补充如下] “贵族镜片”加入适马新镜头 适马作为现阶段影响力最大的镜头厂商之一，和腾龙以及图丽并成为“三大副厂”。而随着近年来一些高端镜头的接连发布，适马超越后两者的趋势已经渐渐形成，在2010年伊始，FLD人工萤石镜片的使用更是让适马站在了几乎和佳能、尼康这些“原厂镜头”供应商一样的高度。 FLD是一种特殊的LD（Low Dispersion 低色散）镜片，其中“F”代表的是“fluorite”也就是萤石。当然，这里的萤石并不是指昂贵的天然萤石，而是通过复杂的铸造工艺所得的与天然萤石晶体结构类似的人工萤石。由于成本很高，并且通常使用此类镜片的镜头都具备很大口径，所以萤石镜片也是仅次于“手工精研非球面镜”之外最为“贵族”的光学镜片。 适马FLD镜片具备超过一般光学玻璃的优异性能，表现在镜头设计上，它可以提供超越ED镜片的出众色散控制能力，并且得益于类似萤石晶体的特殊结构，在对付残像方面FLD也表现出色。适马还宣称采用FLD的镜头能够提供更高的解析力和对比度。 http://dcdv.zol.com.cn/166/1669598.html |