佳能 EOS Ra，是佳能公司于2019年11月6日推出之一款主要用于天文摄影的数码全画幅无反相机[1]。
规格
EOS Ra 采用的感光元件为3030万像素的全幅CMOS[2]，机构设计基于佳能 EOS R[3]，搭载红外线屏蔽滤波器，官方宣称对其氢-α光（656奈米）的敏感程度为佳能 EOS R的4倍。[1]
参考文献
- ^ 1.0 1.1 Canon EOS Ra 天文攝影全片幅無反相機首度發表 - ezone.hk - 科技焦點 - 數碼. ezone.hk 即时科技生活. [2020-11-24]. （原始内容存档于2020-10-23）.
- ^ 天文攝影專用 Canon發表全幅無反新機EOS Ra. 苹果新闻网. [2020-11-24]. （原始内容存档于2021-01-27） （中文（台湾））.
- ^ Yang, Mash. Canon EOS Ra 全片幅無反機種天體攝影相機發表 可捕捉星雲散發紅外線波長光譜. 瘾科技 Cool3c. 2019-11-07 [2020-11-24]. （原始内容存档于2020-03-14）.
| 佳能EOS系列数位单反相机发展历程
|
| 片幅
|
等级
|
|
2001
|
2002
|
2003
|
2004
|
2005
|
2006
|
2007
|
2008
|
2009
|
2010
|
2011
|
2012
|
2013
|
2014
|
2015
|
2016
|
2017
|
2018
|
2019
|
2020
|
2021
|
2022
|
2023
|
2024
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 全片幅
|
旗舰
|
|
|
|
1Ds
|
1Ds Mk II
|
1Ds Mk III
|
|
1D C
|
|
|
|
|
|
|
|
|
|
| 1D X
|
1DX Mk II
|
1DX Mk III
|
|
| 专业
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5DS / 5DS R
|
|
|
|
|
|
|
|
|
|
|
|
|
5D
|
5D Mk II‡
|
5D Mk III‡
|
5D Mk IV
|
|
| 进阶
|
|
|
|
|
|
|
|
|
|
|
|
|
|
6D‡
|
6D Mk II
|
|
| APS-H
|
旗舰
|
|
|
1D
|
1D Mk II
|
1D Mk II N
|
1D Mk III
|
1D Mk IV
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| APS-C
|
进阶
|
|
|
|
|
|
|
|
|
|
|
7D‡
|
7D Mk II
|
|
|
|
|
|
| 中阶
|
|
|
|
|
|
20Da
|
|
|
|
|
|
|
|
60Da
|
|
|
|
|
|
|
|
|
|
|
| D30
|
D60
|
10D
|
20D
|
30D
|
40D
|
50D‡
|
60D‡
|
70D
|
80D
|
90D
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
760D (Rebel T6s, 8000D)
|
77D (9000D)
|
|
|
|
|
|
| 入门
|
|
|
|
|
300D (Digital Rebel, Kiss Digital)
|
350D (Digital Rebel XT, Kiss Digital N)
|
400D (Digital Rebel XTi, Kiss Digital X)
|
450D (Rebel XSi, Kiss X2)
|
500D (Rebel T1i, Kiss X3)‡
|
550D (Rebel T2i, Kiss X4)‡
|
600D (Rebel T3i, Kiss X5)‡
|
650D (Rebel T4i, Kiss X6i)‡
|
700D (Rebel T5i, Kiss X7i)‡
|
750D (Rebel T6i, Kiss X8i)
|
800D (Rebel T7i, Kiss X9i)
|
850D (Rebel T8i, Kiss X10i)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
100D (Rebel SL1, Kiss X7)
|
200D (Rebel SL2, Kiss X9)
|
250D (Rebel SL3, Kiss X10, 200D Mk II)
|
|
|
|
|
|
|
|
|
|
|
|
1000D (Rebel XS, Kiss F)
|
1100D (Rebel T3, Kiss X50)‡
|
1200D (Rebel T5, Kiss X70)‡
|
1300D (Rebel T6, Kiss X80)
|
2000D (Rebel T7, Kiss X90, 1500D)
|
|
| 经济
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4000D (Rebel T100, 3000D)
|
|
|
|
| 片幅
|
等级
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2001
|
2002
|
2003
|
2004
|
2005
|
2006
|
2007
|
2008
|
2009
|
2010
|
2011
|
2012
|
2013
|
2014
|
2015
|
2016
|
2017
|
2018
|
2019
|
2020
|
2021
|
2022
|
2023
|
2024
|
| 早期型号
|
|
‡这些相机被魔灯_(固件)所支持
图像处理器： Non-DIGIC DIGIC | DIGIC II | DIGIC III | DIGIC 4 | DIGIC 5 / 5+ | DIGIC 6 / 6+ | DIGIC 7 | DIGIC 8 | DIGIC X
视频： 720p | 1080p | 无压缩 1080p | 4K | 5.5K |6K|8K
特殊型号： a - 天文摄影 | C - EOS 摄影机 | S - 高分辨率相机| R - 无低通滤镜
参考： 佳能 EOS 底片单反相机
|
