I have an external flash that fires when it detects another flash nearby (i think it has that photo detector trigger). I have a setup in such a way that my external flash will fire the moment it detects the flash of the cybershot fired. I have noticed that my images are under exposed no matter how much i adjust the F-Stop and the power of my external flash. The camera seem to be doing something automatically without my knowledge. pls help. thanks!
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Re: PROBLEM: F828 & external flash
I think this is due to the TLL preflash of the 828 internal flash.
Each time it actually fires 2 flashes. First one for metering and second one for actual exposure. First "fake" flash probably trigers your external flash which is too early.
Slution... hmm i think there are afordable slave adapters out there which detect the TTL preflash, ignore it and fire the external flash on the right timing along with the main flash. cost.. about few tens $ i think. they can detect also infrared light so you can mount IR filter on your internal flash to prevent interfering with the exposure...
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A metal detector is an electronic device which detects the presence of metal nearby. Metal detectors are useful for hunting metal inclusions hidden within objects, or metal objects buried underground.This is the depth to which your metal detector is able to search for coins and other objects. A good metal detector has a sensivity that is the ability to detect metal objects from a distance. Lower frequency detectors offer better depth.You can usually find coins to a depth of one and a half times the search coil diameter. https://detectorly.com/ever-wanted-know-metal-detectors
How to use the internal flash as a commander is in the manual from page 189. The manual is online.
There follow 10 pages about all different settings for the remote flash mode. I could not find how to use the internal flash as a commander and switch of the commander itself. On my Nikon, I can use the light as a commander and when the picture is made the build in flash does not fire.
You always see the internal flash fire, before the picture is made, because it has not only to tell each group what setting it should use, but it also has to trigger the external flash groups. If you want to use the flash as a commander while photographing persons, you can use a Infra Red filter (little one) in from of the internal flash, so the subjects won't close their eyes. Look for the Nikon SG-3IR filter. I think Canon must have filters like this.
I have a blu-ray player that was acting strangely - turning off unexpectedly - I finally noticed that it happened often when fire trucks were nearby - and tracked down two the lights triggering the IR remote detector.
Does flash pop up? Does the little electronic flash symbol appear in the LCD when it charges? Really not enough info in your post.
A few thoughts:
If the flash will not pop up check the external flash detection pin in the hot shoe (located on one side under the spring, which can be popped off with a knife blade or similar). If this is stuck down the flash will not pop up because the camera thinks there is an external flash in the hot shoe.
If the flash pops up and you get an 05 error or it makes a clicking noise and you get an 05 error this usually means sticky liquid spillage around the flash. It needs to be disassembled and cleaned and the pivots lubed. Squirting WD40 on the flash WILL NOT SOLVE THIS PROBLEM. NEVER SQUIRT WD40 IN ANY CAMERA!!!!!
It the flash pops up, and the little electronic flash symbol comes on, but goes out when you push the release button it usually means the flash board is bad.
If the camera has been impacted, then either the flash tube is cracked/broken or one of the wires that goes to it or the trigger coil may be broken inside
Make sure Flash Shoe option is Off in setup menu then check flash light. Does camera give any blinking error code when flash fails to fire? Does flash pop up when you press shutter button to take picture in low light? Let me know to find out possible cause of problem.
It is a radar detector detector. So if you are running a radar in a state where it is illegal, this technology can detect the presence of your radar detector and you can be pulled over and ticketed. This is done by detecting the local oscillators and other "RF leakage" from the radar detector.
Sometimes you may notice that when you are near another car with a radar detector, your radar detector may go off. There are situations where your own radar detector can detect leaking RF energy from another detector in a nearby car.
Does this happen in the city or does it happen when you are out in the middle
of nowhere? I have seen laser detectors that are falsely triggered by various
lighting devices that contain wavelengths of light similar to those used in
If this is annoying and you dont want to hear it, you can locate the receiver
element that detects the laser signal and cover it up with a piece of black
electrical tape. That should stop whatever is causing your problem unless there
is something actually broken inside the unit.
I had observed the same problem - after an external flash had been removed from the camera, internal flash didn't pop up. Tried to look at the Google and finally found the solution. It helped me and could help you as well:
The usual reason is that the camera thinks that there's an external flash mounted on the hot shoe. Check the external flash detect switch. It's located under the right side of the shoe (there is a metalic piece which is kind of "elastic". Just try to push it and release several times, may be put the screwdriver softly under it and out... It helped me.Here is the picture of location of the detector.
Try resetting the camera. It is next to the battery release. I had a similar issue and posted help. No remedey. So, after praying about this issue, I was lead to power it down and eliminate all the power by taking out the battery push the power button and many others. I found the reset button pushed it and it is all working now. The praying for a solution was key. Praise Jesus. DRD