ZWO 2600MM Pro -- where's gain 100?

[kevinkiller]

Hi,

I ran the sensor analysis on my new ZWO 2600MM Pro camera and the results don't include the most important gain 100 value???

How do I get sharpcap to include that very important gain value? Also probably should also include gain 99 as well so sharpcap can understand the step-function in read noise between these 2 values.

[admin]

Hi,

interesting point. Some brands of camera have ways that you can ask the manufacturer SDK about where these important gain values are. At the time that I wrote the ZWO camera code, that sort of thing didn't exist, and having just checked now, it seems that it is still not possible. That's awkward, because the changeover points vary from model to model (gain 100 for the ASI2600, 252 for the ASI585, 60 for the ASI290, etc). I guess I would have to go and manually dig out all of those values from ZWO documentation and program them into SharpCap for it to automatically deal with that during sensor analysis.

Since that's not likely to happen in a hurry, the easiest thing to do is to use SharpCap's scripting language to ask for extra gains to be measured - in your case 99 and 100. This just requires one line of script to be run after opening the camera but before running the sensor analysis...

Code: Select all

SharpCap.SelectedCamera.SetGainsOfInterestForSensorAnalysis([99,100])

You can add more gain values to measure in the comma separated list inside the square brackets - these value will be measured in addition to the typical range that SharpCap usually selects.

Hope this helps,

Robin