适马把DP1M的镜头改为不伸缩的,是不是说明
2708 9
[1 楼] flyingplus [泡菜]
12-2-28 22:36

适马用尽全力都不能解决一个其他厂家最低端DC都没有出现的断排线问题

适马经历了DP1 DP1S DP1X这几代都没有解决,真是悲剧咩

[10 楼] 独色 [陈年泡菜]
12-3-1 12:36
美痴 发表于 2012-3-1 08:37
最近对焦距离一样。

放大率,dp1m的更大。
……

DP1M的小些。
[9 楼] 美痴 [注销用户]
12-3-1 08:39
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[8 楼] 美痴 [注销用户]
12-3-1 08:37
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[7 楼] eazo [泡菜]
12-2-29 20:29
独色 发表于 2012-2-29 18:32
这两个镜头其实是DP1M/DP2M的简化版。
DP1M:
Focal Length                                          19mm
35mm Equivalent Focal Format    Approx. 28mm
Maximum Aperture                                 F2.8
Number of Diaphragm Blades 9 Blades
Lens Construction 9 Elements in 8 Groups

Minimum Focusing Distance                     20cm
Maximum Magnification Shooting 1:8.4

19 DN:
Lens Construction:                                  8 Elements in 6 Groups
Angle of View:                                        59.3 degrees (SONY E-mount 73.5degrees)
Number of blades:                                  7 Blades (Rounded Diaphragm)
Minimum Aperture:                                 F22
Minimum Focusing Distance:                    20cm/7.9in.
Maximum Magnification:                          1:7.4
Filter Size:                                              Diameter 46 mm
Dimensions:                                           Diameter 60 ...


搞不好这个用在DP1M上的是死马有屎以来最好的定焦镜镜头了。
[6 楼] 命运没有路 [资深泡菜]
12-2-29 20:15
命运没有路 发表于 2012-2-29 20:14
焦距一样,最近对焦距离一样,为什么放大倍率不一样?

难道dp1m是镜头算最近对焦距离??nex的镜头是按cmos的距离算对焦距离?
[5 楼] 命运没有路 [资深泡菜]
12-2-29 20:14
独色 发表于 2012-2-29 18:32
这两个镜头其实是DP1M/DP2M的简化版。
DP1M:
Focal Length                                          19mm
35mm Equivalent Focal Format    Approx. 28mm
Maximum Aperture                                 F2.8
Number of Diaphragm Blades 9 Blades
Lens Construction 9 Elements in 8 Groups

Minimum Focusing Distance                     20cm
Maximum Magnification Shooting 1:8.4

19 DN:
Lens Construction:                                  8 Elements in 6 Groups
Angle of View:                                        59.3 degrees (SONY E-mount 73.5degrees)
Number of blades:                                  7 Blades (Rounded Diaphragm)
Minimum Aperture:                                 F22
Minimum Focusing Distance:                    20cm/7.9in.
Maximum Magnification:                          1:7.4
Filter Size:                                              Diameter 46 mm
Dimensions:                                           Diameter 60 ...

焦距一样,最近对焦距离一样,为什么放大倍率不一样?
[4 楼] 独色 [陈年泡菜]
12-2-29 18:32
yangs1121 发表于 2012-2-29 14:15
其实就是把新发布的两个NEX镜头装在DP上面

这两个镜头其实是DP1M/DP2M的简化版。
DP1M:
Focal Length                                          19mm
35mm Equivalent Focal Format    Approx. 28mm
Maximum Aperture                                 F2.8
Number of Diaphragm Blades 9 Blades
Lens Construction 9 Elements in 8 Groups

Minimum Focusing Distance                     20cm
Maximum Magnification Shooting 1:8.4

19 DN:
Lens Construction:                                  8 Elements in 6 Groups
Angle of View:                                        59.3 degrees (SONY E-mount 73.5degrees)
Number of blades:                                  7 Blades (Rounded Diaphragm)
Minimum Aperture:                                 F22
Minimum Focusing Distance:                    20cm/7.9in.
Maximum Magnification:                          1:7.4
Filter Size:                                              Diameter 46 mm
Dimensions:                                           Diameter 60.6mm×Length 45.7mm/2.4in.×1.8in.
Weight:                                                 140g/4.9oz. 本帖最后由 独色 于 2012-2-29 18:33 编辑

[3 楼] yangs1121 [泡菜]
12-2-29 14:15
其实就是把新发布的两个NEX镜头装在DP上面
[2 楼] diamondring [老坛泡菜]
12-2-28 22:42
你要是仔细看过DPx Merrill的镜头突出部分就不会这么说了。