维基百科
索尼α7 II
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Sony α7 II（型号ILCE-7M2，简称A7II）是索尼公司于2014年11月20日发布的全画幅无反光镜可换镜头相机。
| 鏡頭 | |
|---|---|
| 镜头 | Sony E-mount |
| 感光元件/底片 | |
| 传感器 | 35.8 × 23.9 mm Exmor full-frame HD CMOS Sensor |
| 最大分辨率 | 6000 × 4000 (3:2) (24 megapixels) |
| ASA/ISO范围 | Auto, 100-51200 |
| 存储 | Memory Stick Pro Duo, Pro-HG Duo, SD, SDHC, SDXC |
| 對焦 | |
| 對焦模式 | Contrast Detect (sensor), Phase Detect, Multi-area, Center, Selective single-point, Single, Continuous, Face Detection, Live View, SteadyShot |
| 曝光、測光 | |
| 曝光 测光表 | Multi-segment, Center-weighted, Spot |
| 快門 | |
| 快门 | Electronically-controlled, vertical-traverse, focal-plane shutter |
| 快门速度范围 | 1/8000 - 30 sec, BULB |
| 連拍 | 5 frame/s |
| 觀景窗 | |
| 取景器 | Built-in 2.4 million dots OLED Electronic viewfinder |
| 其他 | |
| LCD 显示器 | 3.0英寸（76 mm） Tilting XtraFine LCD, 1,230,000 pixels |
| 电池 | NP-FW50, InfoLITHIUM, 7.2 V, 1080 mAh, 7.7 Wh, Lithium-Ion rechargeable battery |
| 尺寸 | 127 × 96 × 60 mm |
| 重量 | Approx. 599 g（21.1 oz） (camera body, card and battery) |
| 价格 | $1699.00 |
型号差异 编辑
| 型号 | α7 | α7R | α7S | α7 II | α7R II | α7S II |
|---|---|---|---|---|---|---|
| 产品定位 | 平衡 | 高解析度 | 高感光度 | 平衡Mark II | High Resolution Mark II | High Sensitivity Mark II |
| 感应器解析度 | 24.3 Mpx Exmor CMOS 6,000×4,000 pixels (35.80 mm×23.90 mm) | 36.4 Mpx Exmor CMOS 7,360×4,912 pixels (35.90 mm×24.00 mm) | 12.2 Mpx Exmor CMOS 4,240×2,832 pixels (35.80 mm×23.90 mm) | 24.3 Mpx Exmor CMOS 6,000×4,000 pixels (35.80 mm×23.90 mm) | 42.4 Mpx Exmor R BSI-CMOS 7,952×5,304 pixels (35.90 mm×24.00 mm) | 12.2 Mpx Exmor CMOS 4,240×2,832 pixels (35.80 mm×23.90 mm) |
| ISO range | Expanded ISO 50 - 25600 Multi frame NR 100 - 51200 | Expanded ISO 50 - 25600 Multi frame NR 100 - 51200 | Native ISO 100 - 102400 Expanded ISO 50 - 409600 | Expanded ISO 50 - 25600 Multi frame NR 100 - 51200 | Native ISO 100 - 25600 Expanded ISO 50 - 102400 | Native ISO 100 - 102400 Expanded ISO 50 - 409600 |
| Autofocus | 25 point contrast-detection w/ 117 points phase-detection | 25 point contrast-detection | 25 point contrast-detection | 25 point contrast-detection w/ 117 points phase-detection | 25 point contrast-detection w/ 399 points phase-detection | 169 point contrast-detection |
| Maximum flash sync speed | 1/250 | 1/160 | 1/250 | 1/250 | 1/250 | 1/250 |
| Max Continuous Shooting | 5 frame/s | 4 frame/s | 5 frame/s | 5 frame/s | 5 frame/s | 5 frame/s |
| In-body image stabilization | No | 5-axis | ||||
| Flash Exposure Lock | No | No | Yes | Yes | Yes | |
| Electronic shutter mode | First-curtain only | No | First-curtain and Silent shutter | First-curtain only | First-curtain and Silent shutter | First-curtain and Silent shutter |
| Gapless on-chip lens | No | Yes | Yes | No | Yes | Yes |
| Live-view Tethered Capture | No | No | Yes | Yes | Yes | Yes[1] |
| Custom minimum shutter speed at Auto ISO | No | No | No | No | Yes | Yes |
| Flexible Spot with Lock on AF | No | No | No | No | Yes | Yes |
| Continuous Eye-AF | No | No | No | No | Yes | Yes |
| AF Sensitivity | 0 ~ 20 EV | 0 ~ 20 EV | -4 ~ 20 EV | -1 ~ 20 EV | -2 ~ 20 EV | -4 ~ 20 EV |
| Metering Sensitivity | 0 ~ 20 EV | 0 ~ 20 EV | -3 ~ 20 EV | -1 ~ 20 EV | -3 ~ 20 EV | -3 ~ 20 EV |
| User Custom Buttons | 3 | 3 | 3 | 4 | 4 | 4[2] |
| Monitor Resolution | 921.6 K | 921.6 K | 921.6 K | 1,228.8 K[3] | ||
| Viewfinder Magnification | 0.71× | 0.78× | ||||
| Video record format | MPEG-4, AVCHD (28 Mbit/s) 1080p | MPEG-4, AVCHD (28 Mbit/s), XAVC S (50 Mbit/s) 1080p | MPEG-4, AVCHD (28 Mbit/s), XAVC S (100 Mbit/s) 4K video | |||
| Video sampling | Line skipping | Line skipping | Full-pixel readout | Line skipping | Pixel-binning at Full Format Full-pixel readout at Super 35 | Full-pixel readout[4] |
| Slow motion video record | No | No | Yes (720p, 120fps) | No | Yes (720p, 120fps) | Yes (1080p, 120fps) |
| HDMI输出 | 4K still and 1080p video | 4K still and 1080p video | 4K still and 4K video | 4K still and 1080p video | 8K still and 4K video | 4K still and 4K video |
| Video Light mode | No | No | Yes | No | Yes | |
| Professional Video edit | No | No | Picture Profile w/CineGamma, Timecode, Userbit[5] | |||
| 机身材料 | Combi. of magnesium alloy and polycarbonate | Full magnesium alloy chassis and polycarb bayonet mount. | Full magnesium alloy chassis and stainless steel bayonet mount. | |||
| Other features | Hybrid autofocus system | No optical Low-pass filter | Full-pixel readout video at Full Format | Hybrid autofocus system | Hybrid autofocus system, No optical Low-pass filter | Full-pixel readout video at Full Format |
| Phase-detection AF on non-native lenses | Only A-mount lenses with LA-EA2 and LA-EA4 | Yes (Firmware update) | Yes | Only with LA-EA2/4[6] | ||
| Operate while USB charging | No | No | No | No | Yes | Yes |
| Battery-life (CIPA standards) | 340 shots | 340 shots | 380 shots | 350 shots | 340 shots | 370 shots |
| 重量 | 416 g | 407 g | 446 g | 556 g | 582 g | 584 g |
| Dimension | 127×94×48 mm | 127×96×60 mm | 126.9x95.7x60.3 mm | |||
| 发布 | 2013年10月16日 | 2014年4月6日 | 2014年11月20日 | 2015年6月10日 | 2015年9月11日 | |
另见 编辑
- 索尼E卡口相机列表
- 索尼ILCE-6500
- 索尼ILCE-9
参考文献 编辑
- ^ . Phase One. [2016-01-19]. （原始内容存档于2017-11-12）.
- ^ . Fstoppers. [2016-01-19]. （原始内容存档于2017-02-16）.
- ^ . Sony.com. [2016-05-16]. （原始内容存档于2017-05-21）.
- ^ . [2018-10-10]. （原始内容存档于2017-07-04）.
- ^ ILCE-7SM2 Specifications. sony.com. [2016-05-16]. （原始内容于2016-05-23）.
- ^ Compatibility Information - ILCE-7SM2. support.d-imaging.sony.co.jp. [2016-05-16]. （原始内容于2016-06-16）.
外部链接 编辑
- Sony announces α7 II full-frame mirrorless camera with 5-axis IS. [2018-10-09]. （原始内容于2019-04-22）.