linda_roina Posted March 1, 2008 Share Posted March 1, 2008 I recently used my D300 and the onboard flash. After taking about 25 pictures the camera would no longer take a picture. I waited about 2 minutes and then it resumed taking photos. What would be the cause of this? I'm sure it should be able to buffer several pictures. Link to comment Share on other sites More sharing options...
eric_mudama1 Posted March 1, 2008 Share Posted March 1, 2008 my guess is that the flash had to cool off before you could take more shots, my sb600 has a warning about this Link to comment Share on other sites More sharing options...
alan_olander1664878205 Posted March 1, 2008 Share Posted March 1, 2008 Yes, Eric is right. The flash shuts itself down with repeated use to avoid damage. Link to comment Share on other sites More sharing options...
lex_jenkins Posted March 1, 2008 Share Posted March 1, 2008 Kinda like the Shark vacuum cleaner. A high performance sucking machine, but runs hot. It'll shut down to protect itself from overheating. Unfortunately the SB-800 doesn't seem to offer a similar protective circuit, altho' I wouldn't want the flash deciding when it will or won't operate. But it means the photographer must be alert to avoid overheating the flash through continuous usage in rapid fire shooting situations. Link to comment Share on other sites More sharing options...
joseph_wisniewski Posted March 1, 2008 Share Posted March 1, 2008 I'd love it if the flash did this, provided it did a warning first. It has a beeper, so a little chirp when it's 10 degrees from thermal shut down, a bigger beep when it's 5 degrees. I have to disagree with Steppenwolf "I like smoke and lightning, heavy metal thunder". I don't like overheating anything that combines reactive chemicals and high voltages. Link to comment Share on other sites More sharing options...
lex_jenkins Posted March 1, 2008 Share Posted March 1, 2008 I had an old generic auto-thyristor flash that emitted a loud *POP!* and a puff of smoke while using it on a 100F degree day in Florida. The thing was nearly 20 years old so I figured it had done its job. Damn thing still works and is accurate, according to my flash meter. Link to comment Share on other sites More sharing options...
frank_skomial Posted March 2, 2008 Share Posted March 2, 2008 "What would be the cause of this?" - read your camera manual. Link to comment Share on other sites More sharing options...
lex_jenkins Posted March 2, 2008 Share Posted March 2, 2008 Frank, if Nikon manuals readily answered every question nobody would ask questions about the SB-800. That manual is notoriously badly organized, especially regarding use of multiple CLS flash where the manual resorts to circuitous logic and doesn't address some critical info. Link to comment Share on other sites More sharing options...
nsfbr Posted March 2, 2008 Share Posted March 2, 2008 Lol, some of the responses in this thread remind me of some goofing around I did when I was a kid with a flash I had, which was to set it on full manual and set it off with a sheet of paper up against the front surface of the flash lens. I could get the paper to brown, then smoke. 1/r^2 is an interesting phenomenon. Link to comment Share on other sites More sharing options...
joseph_wisniewski Posted March 3, 2008 Share Posted March 3, 2008 And now they call that "IPL" or "intense pulsed light" treatment, and people pay to have a large Xenon flash vaporize their epidermus. Link to comment Share on other sites More sharing options...
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