Differences

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--- photo:chdk-scripts [2008/06/07 05:14]
cyril
+++ photo:chdk-scripts [2013/09/19 16:40] (current)
@@ Line 18: / Line 18: @@
 ==== EV Bracketing ====
-Uses the ''night-shot'' script to ensure sufficient exposure with exposure greater than 1".
+  * Internal modification of EV shift/compensation.
+  * Exposure time can be greater than 1" to ensure sufficient exposure (uses ''night-shot'' script)
+  * Temporarily enables RAW
 <source photo/bracket-ev.bas sdlbasic>
 ==== Focus Bracketing ====
+  * dynamically computes the steps using the DOF calculator
 <source photo/bracket-focus.bas sdlbasic>
@@ Line 50: / Line 53: @@
 ==== Night shot ====
-My Casio S600 has a very good night mode, that uses very long exposure time with low ISO. It allows to take beautiful shots by night with a tripod. Canon SD1000 never set exposure time greater than 1" in automatic mode, and in in manual mode you have to try several times to find the good exposure time. This script automatically computes exposure time so that exposure is correct, and is able to set exposure time greater than 1" (and even greater than 15" thanks to CHDK). There is also a 2" delay so that the camera is well stabilized on its tripod when the shot is taken. You can adjust exposure with exposure shift/compensation.
+My Casio S600 has a very good night mode, that uses very long exposure time with low ISO. It allows to take beautiful shots by night with a tripod. Canon SD1000 never set exposure time greater than 1" in automatic mode, and in in manual mode you have to try several times to find the good exposure time.
+This script:
+  * asks the camera the exposure settings it suggests (will keep ISO and aperture)
+  * recomputes exposure time so that exposure is correct (up to the limit of the camera, often 65", and taking into account exposure shift/compensation)
+  * waits a 2" delay so that the camera is well stabilized on its tripod when the shot is taken
+  * shoots
+Tips:
+  * You can control with the "Dark frame" entry of the "RAW" menu if you want to let the camera automatically proceed to dark frame substraction for each frame, or if you want to do it manually.
 <source photo/night-shot.bas sdlbasic>
@@ Line 56: / Line 68: @@
 ==== Open shutter ====
-This script aims at having the shutter opened the most possible time, eg to shot lightning. Exposition is computed with ''night-shot.bas'' script so that exposure is ok. Dark frame substraction is canceled, but you can shot in RAW, shot one dark frame, and substract afterwards.
+This script aims at having the shutter opened the most possible time, eg to shot lightning. Exposition is computed with ''night-shot.bas'' script so that background exposure is ok. Dark frame substraction is canceled, but you can shot in RAW, shot one dark frame, and substract afterwards.
+This script:
+  * sets automatically continuous mode on the SD1000 using the GUI (as I wasn't able to write the propcase),
+  * sets automatically the desired picture size on DIGIC III cameras
+  * disables black frame subtraction
+  * computes the appropriate long exposure so that the background is well exposed (up to the limit of the camera, often 65")
+  * shoots continuously for a given time (if continuous shooting is interrupted, it is detected and restarted). You can interrupt pressing shoot_half button.
+  * restores the modified settings
 <source photo/open-shutter.bas sdlbasic>
 ==== Motion shot ====
+  * takes one shot, or a burst of shots, or a movie after movement is detected
 <source photo/motion-shot.bas sdlbasic>
-~~DISCUSSION~~