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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 09 Jan 2008 (Wednesday) 10:58
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Canon CP-E4 Speedlite Compact Battery Pack

 
Double ­ Negative
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Jan 10, 2008 14:30 |  #16

You really don't want to be cranking 74 shots through your flash in one go. You'll blow out the flash tube.

FWIW, the CP-E3 and CP-E4 are identical, except for additional sealing on the latter.

I love mine; definitely gives the 580EX tons of reserve power and the flash recycle time is practically instantaneous.


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GerBee
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Jan 10, 2008 14:37 |  #17

No worries, I've already been though that one ~~ it takes about 200 full power shots within the hour to cause melting. :)

€70 Canon fix, don't worry about it, they are professional tools and if all professionals followed what the manual said, we'd have far less photos ... :)

http://www.pbase.com/g​er_bee/580ex_flash (external link)

Better inserts in the CP-E4 methinks.

Double Negative wrote in post #4674504 (external link)
You really don't want to be cranking 74 shots through your flash in one go. You'll blow out the flash tube.

FWIW, the CP-E3 and CP-E4 are identical, except for additional sealing on the latter.

I love mine; definitely gives the 580EX tons of reserve power and the flash recycle time is practically instantaneous.




  
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Edle
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Jan 10, 2008 14:58 |  #18

Just curious but while using this CP-E4 pack, you still leave the batteries in your 580 EX flash right? It actually has access to all 12 AA batteries?


Body: 5D MKIII Gripped, 7D MKII
Lens: EF 85mm f1.2L II - EF 50mm f1.2L - EF 16-35mm f2.8L II - EF 17-40mm f4L - EF 24-70mm f2.8L - EF 24-105mm f4L- EF 70-200mm f2.8L IS - EF 100-400mm f4.5-5.6L IS II - EF 15mm f2.8 fisheye - EF 1.4x II
Flashes: 580EX II - 600EX RT Canon Battery Pack CP-E4
Tripod/Monopod/Heads : 190XPROB / 695 5-Section Magfiber / 3039 - 488RC2

  
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Double ­ Negative
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Jan 10, 2008 15:04 |  #19

Edle wrote in post #4674729 (external link)
Just curious but while using this CP-E4 pack, you still leave the batteries in your 580 EX flash right? It actually has access to all 12 AA batteries?

Yes, but you can configure how they're used also (use all batteries for charging, or just battery pack when connected)


La Vida Leica! (external link) LitPixel Galleries (external link) -- 1V-HS, 1D Mark IIn & 5D Mark IV w/BG-E20
15mm f/2.8, 14mm f/2.8L, 24mm f/1.4L II, 35mm f/1.4L, 50mm f/1.2L, 85mm f/1.2L II, 135mm f/2.0L
16-35mm f/2.8L, 24-70mm f/2.8L, 70-200mm f/2.8L IS, 100-400mm f/4.5-5.6L IS, Extender EF 1.4x II & 2x II

  
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SunTsu
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Jan 10, 2008 15:34 |  #20

Double Negative wrote in post #4674785 (external link)
Yes, but you can configure how they're used also (use all batteries for charging, or just battery pack when connected)

Oh....I could pull out my manual, but I'm too lazy. :lol: I am guessing I configure this via the 580EX LCD?

GerBee wrote in post #4674542 (external link)
No worries, I've already been though that one ~~ it takes about 200 full power shots within the hour to cause melting. :)

€70 Canon fix, don't worry about it, they are professional tools and if all professionals followed what the manual said, we'd have far less photos ... :)

http://www.pbase.com/g​er_bee/580ex_flash (external link)

Better inserts in the CP-E4 methinks.

Ever since reading the manual, I've been ultra-paranoid about burning out the flash. I just looked at the photos in the link you sent and I'm even more scared now!  :o Does anyone know how many shots a 580EX II can really take in an hour? The Canon number seems a bit low and "useless".


Canon 5D Mark II+BG-E6, Canon 5D+BG-E4 | 200-400mmL IS, 85mm F1.2L II, TS-E 17mm F4.0L , 16-35mm F2.8L II, 24-105mmL IS, 70-200mm [COLOR=#000000]F2.8L II IS, 100mm F2.8L Macro IS, 100mm F2.8 Macro, 40mm F2.8, 1.4x II, 2.0x III | EF12+25 II | Canon 600EX-RT (x5) | Gitzo support
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GerBee
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Jan 10, 2008 15:41 |  #21

Applies to the 580EX II.

The 580EX was recommended to use a dummy battery in the gun to get the full benefit from the pack ~ was never an aficionado of that myself. The flash flattened its own batteries first but boosted by the pack.

The way I use mine, it's still moreorless the same way and I've found when I run out of juice, simply swap out the batteries from the pack to the gun an away you go again. :) I rarely carry any spares! :D

I've let it setup whatever way it came, happy out, so have not looked in detail, but the whilst I found the manual incorrect in practice for the 580EX it is configurable and works as stated in the manual for the 580EX II.

Edle wrote in post #4674729 (external link)
Just curious but while using this CP-E4 pack, you still leave the batteries in your 580 EX flash right? It actually has access to all 12 AA batteries?




  
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scot079
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Jan 10, 2008 16:05 |  #22

GerBee-can you attach teh CP-E4 to the bottom of the camera (1D)?


- Tim
www.timadkinsphoto.com (external link)
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SunTsu
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Jan 10, 2008 16:07 |  #23

scot079 wrote in post #4675284 (external link)
GerBee-can you attach teh CP-E4 to the bottom of the camera (1D)?

The CP-E4 comes with a scew that lets you thread it through the battery pack and into the tripod mount of a camera.


Canon 5D Mark II+BG-E6, Canon 5D+BG-E4 | 200-400mmL IS, 85mm F1.2L II, TS-E 17mm F4.0L , 16-35mm F2.8L II, 24-105mmL IS, 70-200mm [COLOR=#000000]F2.8L II IS, 100mm F2.8L Macro IS, 100mm F2.8 Macro, 40mm F2.8, 1.4x II, 2.0x III | EF12+25 II | Canon 600EX-RT (x5) | Gitzo support
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scot079
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Jan 10, 2008 16:10 |  #24

SunTsu wrote in post #4675296 (external link)
The CP-E4 comes with a scew that lets you thread it through the battery pack and into the tripod mount of a camera.

Thanks SunTsu. I read on here somewhere that doing so will cause some sort of noise that appears in photos. Wondering if anyone has attached the CP-E4 to the 1D mk III...


- Tim
www.timadkinsphoto.com (external link)
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SunTsu
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Jan 10, 2008 16:12 |  #25

scot079 wrote in post #4675325 (external link)
Thanks SunTsu. I read on here somewhere that doing so will cause some sort of noise that appears in photos. Wondering if anyone has attached the CP-E4 to the 1D mk III...

You're welcome. If you want, I can take a picture of the screw, etc and post it here.

I think I actually read the manual of the CP-E4 and somewhere, I read it's OK to attach the CP-E4 to the bottom of 1D series, but not others. I'll go look right now.


Canon 5D Mark II+BG-E6, Canon 5D+BG-E4 | 200-400mmL IS, 85mm F1.2L II, TS-E 17mm F4.0L , 16-35mm F2.8L II, 24-105mmL IS, 70-200mm [COLOR=#000000]F2.8L II IS, 100mm F2.8L Macro IS, 100mm F2.8 Macro, 40mm F2.8, 1.4x II, 2.0x III | EF12+25 II | Canon 600EX-RT (x5) | Gitzo support
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SunTsu
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Jan 10, 2008 16:18 |  #26

From the manual (mods, please let me know if I was not allowed to post part of the manual verbatim):
Notes:
1) when using an EOS Digital camera with the Compact Battery Pack CP-E4, images may contain noise due to electromagnetic interference....

It then goes on to say it's OK to attach to a 1D series body or a gripped body....


Canon 5D Mark II+BG-E6, Canon 5D+BG-E4 | 200-400mmL IS, 85mm F1.2L II, TS-E 17mm F4.0L , 16-35mm F2.8L II, 24-105mmL IS, 70-200mm [COLOR=#000000]F2.8L II IS, 100mm F2.8L Macro IS, 100mm F2.8 Macro, 40mm F2.8, 1.4x II, 2.0x III | EF12+25 II | Canon 600EX-RT (x5) | Gitzo support
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scot079
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Jan 10, 2008 16:21 |  #27

Much appreciated SunTsu


- Tim
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GerBee
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Jan 10, 2008 16:35 |  #28

Do you mean noise as in interference in the picture? Don't know about that. And I don't know why, unless the close proximity to the camera battery causes a magnetic current ~ would have thought the Quantum battery, which is used my many Fuji owners, would be more suspect ~ but I just don't know and never use my packs attached.

I only once attached a pack to try it out, I wear a think belt and find it easier to just latch it on there via its cover flap ~ I don't thread it, just open the flap and close it over the belt.

scot079 wrote in post #4675325 (external link)
Thanks SunTsu. I read on here somewhere that doing so will cause some sort of noise that appears in photos. Wondering if anyone has attached the CP-E4 to the 1D mk III...




  
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GerBee
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Jan 10, 2008 16:43 |  #29

Sun Tsu's manual quote does not make sense, does it?

An electromagnetic current from the pack can or could cause noise on say a 40D, but attach a grip with more batteries in it, an yer sound! ?????????

Or use a 1D ~~ :D Scratch head on this one, strange but true what? :D

GerBee wrote in post #4675485 (external link)
And I don't know why, unless the close proximity to the camera battery causes a magnetic current ~




  
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PacAce
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Jan 10, 2008 17:30 |  #30

GerBee wrote in post #4675538 (external link)
Sun Tsu's manual quote does not make sense, does it?

An electromagnetic current from the pack can or could cause noise on say a 40D, but attach a grip with more batteries in it, an yer sound! ?????????

Or use a 1D ~~ :D Scratch head on this one, strange but true what? :D

Probably has to do with the proximity of the battery pack to the electronics in the camera. With a grip in place, the battery pack is placed further away, plus there would be more shielding between the battery pack and the camera electronics. It's the electromagnetic fluxes generated by the battery pack that would cause interference with the camera. So, yes, it does make sense. :)


...Leo

  
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Canon CP-E4 Speedlite Compact Battery Pack
FORUMS General Gear Talk Flash and Studio Lighting 
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