D7000 Read Noise
Prepared 2011-12-18 by Bill Claff (revised 2012-04-02)
The D7000 Read Noise values were determined from the Optical
Black data in NEF files.
Here is a table of measured values (in ADUs):
|
|
noise |
|
100 |
1.659 |
|
125 |
2.013 |
|
158 |
2.400 |
|
200 |
2.936 |
|
251 |
3.520 |
|
317 |
4.391 |
|
400 |
5.343 |
|
503 |
6.447 |
|
634 |
7.717 |
|
800 |
9.717 |
|
1007 |
11.134 |
|
1269 |
11.401 |
|
1600 |
11.104 |
|
2015 |
11.184 |
|
2539 |
11.252 |
|
3200 |
11.505 |
|
4031 |
11.229 |
|
5079 |
11.205 |
|
6400 |
11.294 |
|
8063 |
11.347 |
|
10159 |
11.505 |
|
12800 |
11.292 |
|
25600 |
11.286 |
The following chart shows these values as a function of ISO:
Shown as a log-log chart for clarity.
The open symbols represent the numbered ISO values while the closed symbols
represent to "Lo" and "Hi" values.