Alright folks, full-res silent pictures are now in the nightly builds!
Limitations:- You can't do short exposures (
please don't complain about overexposure).
- Minimum exposure time (when you set Canon shutter to 1/4000 or 1/8000) is actually a
gradient (timing analysis
here). For example, 5D3 can get 1/33.19 at the top of the frame and 1/6.30 at the bottom.
- 500D, 550D and 600D can't take exposures longer than 0.8 seconds
- No support for 1100D yet.
- All other cameras can take exposures up to 15 seconds.
Usage tips:- To set aperture, you must enable Expo Override (or use a manual lens).
- ETTR works best together with intervalometer: use the "Always On" option, and close the aperture enough (or use ND filters), as much as you need to get exposure times above 0.5 seconds (otherwise the result may be impossible to deflicker with current tools).
General notes:- Image is captured in the same way as a regular picture, but without shutter movement, and it's saved as DNG/MLV, not CR2/JPG.
- You should go to LiveView in order to open the shutter. However, during a silent capture (or during a silent timelapse), LiveView
is paused.
Some things on the waiting list (research doesn't stop here) :
-
luminance trigger (e.g. for lightning)- 30-second exposures (there is a semaphore that times out at 20 seconds, can be patched)
-
dark and bias frames, for astrophotography (exposures with shutter closed)
- composite long exposures (e.g. average 1-second frames), which could improve dynamic range, temporal aliasing, erase moving subjects and other crazy things like that (backend:
EekoAddRawPath)
- and (unicorn at the moment): driving the sensor in rolling shutter mode, to achieve fast exposure times (as in LiveView)
Thanks to the contributors (especially dmilligan and g3gg0) and testers from this thread (especially mk11174, Greg, nikfreak and Licaon_Kter)!
