I have been taking a photography class and learned a fun trick. If you want to take a ghost picture here's what you need to do:
1. Set your ISO at 100
2. Set your shutter speed really slow 2''-5"' (the brighter it is, the faster you need to set it).
3. Set your camera on a tri-pod or other stable surface
4. Take the picture
5. A second later tell your subject to move.
If you want to make sure that your kids are never able to sleep again, dress up like zombies and do this while they are sleeping.
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