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Mini experiment
I read an article in wikipedia about the possibility of orb photographs being caused by dust particles or moisture particles in the air reflecting off the lens and flash combinations inherent to digital cameras.
I decided to conduct a mini-test of my own digital camera. The test?
I decided to conduct a mini-test of my own digital camera. The test?
Moisture experiment:
Date: August 29, 2007
Time: 11:38 PM
Room lighting: light from TV and lamp across room
Stimuli: Moisture in a spray bottle
Equipment: digital camera with flash
Procedure:
- Average wall photo taken with digital camera.
- Moisture sprayed on wall. Similar photograph taken.
- Moisture sprayed in air near wall. Similar photograph taken.
- Moisture sprayed directly in front of camera. Similar photograph taken.
Part II
5. Average wall photo taken with digital camera.
6. Moisture sprayed on wall. Similar photograph taken.
7. Moisture sprayed in air near wall. Similar photograph taken.
8. Moisture sprayed directly in front of camera. Similar photograph taken.
My file with photographic results can be found here.
(*To save file space photographs are links to my Flickr account not embedded photos. This way my file can be posted on the web. Otherwise it is too large for uploading.)
Moisture experiment:
Date: August 29, 2007
Time: 12:00 AM (time given to allow moisture in air to evaporate from first part of experiment)
Room lighting: dark
Stimuli: Moisture in a spray bottle
Equipment: digital camera with flash
Procedure:
5. Average wall photo taken with digital camera.
6. Moisture sprayed on wall. Similar photograph taken.
7. Moisture sprayed in air near wall. Similar photograph taken.
8. Moisture sprayed directly in front of camera. Similar photograph taken.
My file with photographic results can be found here.
(*To save file space photographs are links to my Flickr account not embedded photos. This way my file can be posted on the web. Otherwise it is too large for uploading.)
2007-08-30 05:09:01 GMT