ASI2600 mystery delay in video exps > 999ms

astroStan

I recently acquired ASI2600MM and after updating my C# software and driver I noticed that the frames rates do not keep up with the exposure times for exp >= 1 sec. I confirmed this using FireCapture: set exp to 999ms and the max and real frame rates become essentially =1. Then set exp time = 1sec and real frame rate drops to approx 0.75 and stays there. This shortfall continues for longer exps, though at lower percentages.

This is a serious problem that impacts short DS exps.

Also I can't get the "Hardware Binning" to work. No matter what I set ASI_CONTROL_TYPE.ASI_HARDWARE_BIN, it return OK but ASIGetControlValue(CameraID, ASI_CONTROL_TYPE.ASI_HARDWARE_BIN) always returns 1 (and frames are not binned).

Tech@ZWO

astroStan About the first problem. our devs will optimize it in the future.
The second one, dId you change the BIN TYPE in ASISetROIFormat to 2? you can refer to our demo.

astroStan

Also note:
the C# code "ASICameraDll2.cs" refers to the old DLL libs and doesn't work without modification. e.g. "ASICamera2_x64.dll" no longer exists as such.
The CAPS, GET and SET arrays for indexes 8-14 conflict. For example, index 8 CAPS ASI_TEMPERATURE links to "Is hardware bin2:0->No 1->Yes min=0 max=1",

        ASI_CONTROL_CAPS controlCaps;
        for (int i = 0; i < 50; i++)
        {
            ASI_CONTROL_TYPE control = (ASI_CONTROL_TYPE)i;
            ASIGetControlCaps(CameraID, i, out controlCaps);
            Debug.WriteLine("i = " + i + " " + "(ASI_CONTROL_TYPE)i = " + (ASI_CONTROL_TYPE)i + "  CAPS " + control + ": " + controlCaps.Description + " min=" + controlCaps.MinValue + " max=" + controlCaps.MaxValue);
        }

i = 0 (ASI_CONTROL_TYPE)i = ASI_GAIN CAPS ASI_GAIN: Gain min=0 max=700
i = 1 (ASI_CONTROL_TYPE)i = ASI_EXPOSURE CAPS ASI_EXPOSURE: Exposure Time(us) min=32 max=2000000000
...
i = 8 (ASI_CONTROL_TYPE)i = ASI_TEMPERATURE CAPS ASI_TEMPERATURE: Is hardware bin2:0->No 1->Yes min=0 max=1
i = 9 (ASI_CONTROL_TYPE)i = ASI_FLIP CAPS ASI_FLIP: Is high speed mode:0->No 1->Yes min=0 max=1
i = 10 (ASI_CONTROL_TYPE)i = ASI_AUTO_MAX_GAIN CAPS ASI_AUTO_MAX_GAIN: Sensor temperature(degrees Celsius) min=-500 max=1000
i = 11 (ASI_CONTROL_TYPE)i = ASI_AUTO_MAX_EXP CAPS ASI_AUTO_MAX_EXP: Cooler power percent min=0 max=100
i = 12 (ASI_CONTROL_TYPE)i = ASI_AUTO_MAX_BRIGHTNESS CAPS ASI_AUTO_MAX_BRIGHTNESS: Target temperature(cool camera only) min=-40 max=30
i = 13 (ASI_CONTROL_TYPE)i = ASI_HARDWARE_BIN CAPS ASI_HARDWARE_BIN: turn on/off cooler(cool camera only) min=0 max=1
i = 14 (ASI_CONTROL_TYPE)i = ASI_HIGH_SPEED_MODE CAPS ASI_HIGH_SPEED_MODE: turn on/off anti dew heater(cool camera only) min=0 max=1
...
i = 15 (ASI_CONTROL_TYPE)i = ASI_COOLER_POWER_PERC CAPS ASI_COOLER_POWER_PERC: min=0 max=0
...
i = 23 (ASI_CONTROL_TYPE)i = ASI_ENABLE_DDR CAPS ASI_ENABLE_DDR: min=0 max=0