How can I get the exposure time of Pi camera? - Raspberry Pi Forums

i using raspberry pi camera fisheye lens obtain sky image.

currently, use automatically exposure mode capture image. however, exposure time looks long, large area around sun saturated. want control exposure time myself. firstly, hope can exact exposure time pi camera used. can adjust exposure time based on it. however, properties of image doesn't show exposure time. there way obtain parameter when use automatic exposure mode?

1 give me suggestions? appreciate much!

lot!

you can exif data written raspistill.

code: select all

http://pi.local/timelapse/201312301204/0002_1205.jpg exif ifd0      camera make {0x010f} = raspberrypi     camera model {0x0110} = rp_ov5647     last modified date/time {0x0132} = 2013:12:30 12:05:59  exif sub ifd      exposure time (1 / shutter speed) {0x829a} = 62962/1000000 second ===> 1/15.8826 second ===> 0.06296 second     lens f-number / f-stop {0x829d} = 28984/10000 ===> Æ’/2.9     iso speed ratings {0x8827} = 160     original date/time {0x9003} = 2013:12:30 12:05:59     shutter speed value (apex) {0x9201} = 3989375/1000000     shutter speed (exposure time) = 1/15.88 second     aperture value (apex) {0x9202} = 30705/10000     aperture = Æ’/2.9     flash {0x9209} = flash did not fire     focal length {0x920a} = 35976/10000 mm ===> 3.6 mm     image width {0xa002} = 800 pixels     image height {0xa003} = 600 pixels

raspberrypi