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02-11-2013, 06:49 PM   #1
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Harsh Sunlight & External Flash...

What's the best mode for the K-5?

02-11-2013, 07:30 PM   #2
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I always use M-mode on the camera when it concern flash and set the flash on P-TTL so the flash will automatically fills in what light its missing.

Now the question is to use HSS or not... you've to if you want to use low F number or use an ND filter not sure if it matters much in terms of flash light in your photo.
02-12-2013, 06:21 AM   #3
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Okay. kinda tricky when trying get get bokeh into the equation.
02-12-2013, 07:56 AM   #4
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Not sure what you mean with bokeh... shallow depth of field most likely.

You need to use HSS then, not a problem i think since you've a metz 58.

02-12-2013, 11:06 AM   #5
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I thought HSS kicked in over 1/180th? I used both the Metz and on-board flash and still overexposed(had Metz in TTL). I may have used the wrong flash that didn't have the output scaled back. I shot in RAW...fixable?
02-12-2013, 01:51 PM   #6
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Yes HSS kick in with P-TTL flash when go over 1/180th shutterspeed.
So you can use low F-number with flash since without producing overexposure by the sun.

You said it did over expose, now the question is what did over expose (flash or the sun) and what setting was the camera at?
02-12-2013, 03:17 PM   #7
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Don't you get half the frame exposed if you go over 1/180th since the K-5 does HSS with certain after-market flashes?

Last edited by tabl10s; 02-13-2013 at 03:03 PM.
02-12-2013, 06:22 PM   #8
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HSS is a form of calculated strobing, so the flash fires multiple times to make the overall flash time as long as the exposure time.
With normal flash you've one release with a peak and a cool down of the flash tube, this takes about 1/500 at full power (give or take) and at lower power it can have duration of in the thousands.

So HSS makes sure the full frame gets evenly exposed.

02-13-2013, 09:12 AM   #9
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How often have you used it?
02-13-2013, 02:10 PM   #10
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4 times with the K10D and once with the K5 in a time span of 4 years... so i hardly use it.
Now we are using studio flashes and those don't have HSS to begin with.
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