CrDeviceProperty_ShutterSpeed¶
Get/Set the Shutter Speed
CrDataType: CrDataType_UInt32Array
Parameter Code |
Explanation |
|---|---|
CrShutterSpeed_Bulb |
BULB
|
CrShutterSpeed_Nothing |
nothing to display
|
Other than above values |
The real value of shutter speed (Upper two bytes: numerator, Lower two bytes: denominator)
In the case of the shutter speed is displayed as “Real Number” on the camera, the denominator is fixed 0x000A.
e.g.) 0x000F000A: 0x000F (means 15) / 0x0000A (means 10) = 1.5”
In the case of the shutter speed is displayed as “Fraction Number” on the camera, the numerator is fixed 0x0001.
e.g.) 0x000103E8: 0x0001 (means 1) / 0x03E8 (means 1000) = 1/1000
|