What is the duration of the built-in flash for the Canon M6?
davev8
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Re: What is the duration of the built-in flash for the Canon M6?
Sittatunga wrote:
davev8 wrote:
Sittatunga wrote:
davev8 wrote:
cryora wrote:
I have a Canon M6 (mark 1) and I am interested in trying out some high speed photography using the built-in flash. I am having trouble finding any specs on the flash duration. There is a spec called X-sync that is 1/200 sec, but I presume that has more to do with the timing of the flash relative to the shutter and not the actual flash duration.
yes
I imagine this can be tested with a fan with a known RPM with a speed fast enough to exhibit some blur for whatever the flash duration is, or simply measure the flash with a fast photodiode, but I am not in possession of such tools.
this cannot be answered..flash duration is measured like a shutter speed as a fraction of a second ..the brightness of the flash is fixed ..but the camera/flash gun adjusts the flash output by allowing it to continue for more or less time so the flash has to vary the duration time to change the output..so unless you can set the M6 at like full, 1/2,1/4 etc it may be different every time
a full-sized Speedlight on a full power pop the flash duration may be as long as 200th of a second however at power at say 1/64 it may be 100,000 of a sec
1/180 or 1/200 would be the pulsed duration for HSS mode. It will give about the same total light output as normal full power, but a much reduced intensity.
no I am referring to the duration of the flash on a full power pop
I'm pretty sure no Canon Speedlite has a capacitor that big - the camera sized flashguns tend to be limited to a maximum duration of about a millisecond, though I could believe a duration of 1/200 for a studio flash.
i never say canon or any brand it is probably not down solely to the size of the cap..the tube may make a difference as guns of the same output can have different duration. here i cut and paste from the Metz 58AF speck
>>>>> Flash duration runs from 1/125sec at full power output to 1/33000sec at 1/256 power output.<<<<<<<
i remember this gun when i research guns many years ago i remember thinking that if i made full use of my 1/250th sync speed i would waste a lot of the power this was one of the reasons i did not get this gun
my metz 60 has about 3 times the output of a shoe mount gun and its full power duration is 1/200th
some old pro guns did give the flash duration at all the manual power ratio in the speck you will just have to use google to try to find this out and buy the speed light that you can find with this info
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