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Step 9Finish
When everything is working, bolt on the dog dish and camera mount. Split one side of the rubber tubing and cover the edges of the inner hole to protect the camera lens. At 8 feet you should get about F5.6@60 100 ASA. The slave will not work in bright sunlight, but it's suitable for indoor use.
Modifications:
Additional modifications could be adding 4 more flashes or making a wax paper diffuser for the front of the ring. Use any leftover flashes to build a peanut butter jar strobe, a simple disposable camera slave.
Some people have built peanut butter jar slave strobes and have had trouble getting them to sync with their camera's flash. This maybe because the on camera flash is firing a distance measuring pre-flash (infrared) which is triggering the slave.
Possible solutions:
1. Set the flash to a totally manual setting, if possible, so there is no infrared pre-flash.
2. Make sure the camera's shutter speed is slow enough to sync. (60th)
3. Use an older style flash that doesn't pre-flash.
4. Construct a trigger flash with a RD616, so an on camera flash is not necessary.
Modifications:
Additional modifications could be adding 4 more flashes or making a wax paper diffuser for the front of the ring. Use any leftover flashes to build a peanut butter jar strobe, a simple disposable camera slave.
Some people have built peanut butter jar slave strobes and have had trouble getting them to sync with their camera's flash. This maybe because the on camera flash is firing a distance measuring pre-flash (infrared) which is triggering the slave.
Possible solutions:
1. Set the flash to a totally manual setting, if possible, so there is no infrared pre-flash.
2. Make sure the camera's shutter speed is slow enough to sync. (60th)
3. Use an older style flash that doesn't pre-flash.
4. Construct a trigger flash with a RD616, so an on camera flash is not necessary.
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