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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 21 Mar 2010 (Sunday) 16:38
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580 ex ii and an annoying roll of paper

 
loydall
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Mar 21, 2010 16:38 |  #1

I did a shoot yesterday and used a 580exii as a back light. The recycle time on it was way too slow. I was also using a 430ex through a softbox and it recycled really quickly but the 580 ex ii took forever. I had it on 1/1 power - will that cause the massive delay?

Also - I used a roll of paper on a background stand for a white background. Thing is, the roll kept on unwinding until I had a big pile of paper on the floor - how do you stop the paper unwinding? It's just the standard white background from calumet.


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Marshal.F
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Mar 21, 2010 16:43 |  #2

Well the more power the flash uses the slower the recycle time will be because it needs more time to charge back up.


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dwarfcow
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Mar 21, 2010 16:47 |  #3

loydall wrote in post #9842477 (external link)
I had it on 1/1 power - will that cause the massive delay?

bad batteries? if its on manual it should be using the same output regardless at 1/1 at eval mode, its going to depend on what the camera says its needs to do to light up the subject to properly expose it, and if its dark around it its gonna use a ton of power.

fresh enelopes, alkalines and/or a battery pack will rule out the power issue.


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loydall
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Mar 21, 2010 17:06 |  #4

I tried a load of batteries with it and got some good quality batteries but it probably still took 10-15 seconds to recharge where my 430ex took about 2 seconds


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dedsen
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Mar 21, 2010 17:43 |  #5

Get a clamp from the hardware store to clip on the paper roll. One of the "A" shaped squeeze clamps work great.



  
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gonzogolf
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Mar 21, 2010 17:50 |  #6

If you were shooting at full power then you are putting a serious strain on your batteries. If they were partially drained it wouldnt take much to run them down. You dont mention what setting you had the 430ex on but if it were half or less it would recycle quicker.




  
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msowsun
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Mar 21, 2010 17:53 |  #7

loydall wrote in post #9842627 (external link)
I tried a load of batteries with it and got some good quality batteries but it probably still took 10-15 seconds to recharge where my 430ex took about 2 seconds

A properly working 580EX II set to manual mode, full power 1/1 (with fresh NiMH batteries) will recycle in just 3 seconds.

If you are not getting 3 seconds, your batteries are bad, or your flash is broken.


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canondslr
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Mar 23, 2010 20:23 |  #8

I had a 580ex that take a very long time to recycle (if its even happen), so found out it was broken, so serviced it at Canon and its normal again.
So, maybe your flash needs to be serviced (or of course, could be bad batteries).




  
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karfeef
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Mar 24, 2010 02:51 |  #9

r.e. the paper unwinding, you need clips from a DIY store, like these (external link) but maybe a little bigger.


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m3rdpwr
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Mar 25, 2010 14:40 |  #10

Home Depot Sell's those A Clamps.

The are usually on the ends of isle's and only cost a buck.

They have green handles and have a lot of holding pressure...

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egordon99
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Mar 26, 2010 08:10 |  #11

dwarfcow wrote in post #9842517 (external link)
bad batteries? if its on manual it should be using the same output regardless at 1/1 at eval mode, its going to depend on what the camera says its needs to do to light up the subject to properly expose it, and if its dark around it its gonna use a ton of power.
.

????

The ambient light has NO bearing on how much flash power is needed, just the flash-subject distance (coupled with the ISO and f-stop)

Regardless, if you're at 1/1 in Manual, the camera isn't deciding ANYTHING.

To answer the first question, 1/1 can take a bit long to recycle, even if the batteries are fresh. As the batteries become depleted, 1/1 recycle times get even slower. I try to avoid using full power. 1/2 power is MUCH better in terms of recycle time/battery drain.




  
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dwarfcow
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Mar 27, 2010 01:56 |  #12

egordon99 wrote in post #9874287 (external link)
????

The ambient light has NO bearing on how much flash power is needed, just the flash-subject distance (coupled with the ISO and f-stop)

Regardless, if you're at 1/1 in Manual, the camera isn't deciding ANYTHING.

To answer the first question, 1/1 can take a bit long to recycle, even if the batteries are fresh. As the batteries become depleted, 1/1 recycle times get even slower. I try to avoid using full power. 1/2 power is MUCH better in terms of recycle time/battery drain.

i said the power output on manual at 1/1 will always be the same, but on eval mode (Evaluative through the lens) the power output will depend on distance from the camera, and the relative reflectiveness of surrounding bouncing surfaces; i.e. which could change the amount of time required to recycle.


"Evidently the photo shop at the college I go to is one of the best in the country. They actually have a handful of digital medium format cameras for students to use; Haliburtons, or hasslehoffs, or something like that."
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580 ex ii and an annoying roll of paper
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