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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 23 Jul 2012 (Monday) 08:15
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Speedlite 90EX

 
ettsn
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Jul 23, 2012 08:15 |  #1

So this looks interesting. Apparently, it can operate as a Master. I know it was designed for the new mirrorless, but might be a nice option instead of the ST-E2 for 1D/5D owners? It's only $150, can act as Master and still offer fill flash if needed. I wonder how much total control you will have over the flash via on-camera menus?

http://www.bhphotovide​o.com …_for_Canon.html​/kbid/3296 (external link)




  
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rang
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Jul 23, 2012 09:58 |  #2

Geez…why the _ell didn't they make this head at least tiltable of not tillable and swivalable??? Instead you can use it as a headlight with Master ability. Lovely.


Lotsa stuff, running outta room and a wife...I keep looking at her and wondering??? :lol:

  
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botw
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Jul 23, 2012 11:53 |  #3

Swivel would have been nice. But it's the "pop up flash" for the M. It will likely contribute very little to exposure in master mode.


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Tommydigi
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Jul 23, 2012 11:54 |  #4

Why this over a 270Ex2? I assume either works on the M?


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msowsun
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Jul 23, 2012 12:24 |  #5

Tommydigi wrote in post #14757127 (external link)
Why this over a 270Ex2? I assume either works on the M?

One reason is that the 90EX can act as master while the 270EX II can not.


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agv8or
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Jul 23, 2012 14:13 |  #6

Now Canon just needs to add "Wireless RT" Slave capabilities and they would have a nice little flash for macro and other uses.


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lefturn99
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Jul 23, 2012 14:36 as a reply to  @ agv8or's post |  #7

I wondered the same thing. But it says it will control canon speedlites wirelessly. Wirelessly as in infared or wirelessly as in RF?


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msowsun
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Jul 23, 2012 14:38 |  #8

lefturn99 wrote in post #14758008 (external link)
I wondered the same thing. But it says it will control canon speedlites wirelessly. Wirelessly as in infared or wirelessly as in RF?

Wireless means no wires. The Canon 90EX actually uses coded visible light signals, so it isn't really Infrared or RF.

Canon has just added a new RF capable system as well, but it is expensive and not built-in to the camera bodies.


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krb
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Jul 23, 2012 14:48 |  #9

msowsun wrote in post #14758015 (external link)
Wireless means no wires. Canon actually used coded visible light signals, so it isn't really Infrared or RF.

You are mistaken.

Flash based controllers like the 580 or the controller built into the 7D use the normal flash bulb so there is visible light being emitted but the flashes being controlled are only able to see the IR portion of the light from these flashes. Just take a look at the ST-E2 controller which has a filter over the bulb so it only emits IR light, not visible light.

Furthermore, Canon's most recent flash and controller, both of which were announced at the same time as the 5D mkIII, are radio based so lefturn99 has a valid question.


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gonzogolf
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Jul 23, 2012 14:49 |  #10

ettsn wrote in post #14756020 (external link)
So this looks interesting. Apparently, it can operate as a Master. I know it was designed for the new mirrorless, but might be a nice option instead of the ST-E2 for 1D/5D owners? It's only $150, can act as Master and still offer fill flash if needed. I wonder how much total control you will have over the flash via on-camera menus?

http://www.bhphotovide​o.com …_for_Canon.html​/kbid/3296 (external link)

None on the 5D as it doesnt have any in camera flash control menu.




  
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krb
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Jul 23, 2012 14:54 |  #11

lefturn99 wrote in post #14758008 (external link)
Wirelessly as in infared or wirelessly as in RF?

According to the listing on B&H, it is "Wireless Master Function (Optical)"


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krb
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Jul 23, 2012 14:58 |  #12

botw wrote in post #14757118 (external link)
But it's the "pop up flash" for the M. It will likely contribute very little to exposure in master mode.

If I am reading this correctly, it is much less powerful than a pop-up flash. The 7D pop-up flash offers coverage to 15mm and has a guide number of 39' feet while this thing has a guide number of 30' and offers 24mm coverage.


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dedsen
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Jul 23, 2012 15:46 |  #13

krb wrote in post #14758073 (external link)
You are mistaken.

Flash based controllers like the 580 or the controller built into the 7D use the normal flash bulb so there is visible light being emitted but the flashes being controlled are only able to see the IR portion of the light from these flashes. Just take a look at the ST-E2 controller which has a filter over the bulb so it only emits IR light, not visible light.

Furthermore, Canon's most recent flash and controller, both of which were announced at the same time as the 5D mkIII, are radio based so lefturn99 has a valid question.

I never have understood why some self proclaimed expert always wants to show up and have a pissing contest over the exact frequency of light that is used for Canons optical based system. Canon even states near IR light. What difference does it make? Isn't it close enough just to go with light based vs RF based? It never fails though, just start a thread on this subject and someone will come running and and tell everyone that they are WRONG.



  
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botw
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Jul 23, 2012 16:44 |  #14

Now that canon is making the pop up flash a commander, I'd like to see an inexpensive way to add that capability to the 5d2 etc. this might be it if supported in the menu system. Knowing Canon, it won't be.


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krb
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Jul 23, 2012 17:01 |  #15

botw wrote in post #14758647 (external link)
Now that canon is making the pop up flash a commander, I'd like to see an inexpensive way to add that capability to the 5d2 etc. this might be it if supported in the menu system. Knowing Canon, it won't be.

That's what this 90EX seems to be, except for that "inexpensive" thing.


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Speedlite 90EX
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