Flashgun with a Canon DSLR

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Dolph - 31 Jul 2005 23:48 GMT

I'm using a Canon Rebel and am new to digital cameras.

I have a perfectly fine Sunpak Auto 511 flashgun which I used successfully
with both my Olympus SLR and a number of lenses on my 4x5. Can this
flashgun be used with my Canon or must I get a gun specifically for this
camera?

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Gisle Hannemyr - 01 Aug 2005 02:50 GMT

> I'm using a Canon Rebel and am new to digital cameras.
>
> I have a perfectly fine Sunpak Auto 511 flashgun which I used
> successfully with both my Olympus SLR and a number of lenses on my
> 4x5. Can this flashgun be used with my Canon or must I get a gun
> specifically for this camera?

1: Your Rebel may not like trigger voltages above 6V. To make sure
you don't damage the camera, measure the voltage between the pins
of the flash when fully charged /before/ you try putting it in the
hotshoe - or get a Wein SafeSync thingy or a slave trigger unit.

2. There is no need for a dedicated flash. Some may argue that you
need a dedicated flash for E-TTL (which is true) - but I believe
that auto gives just as reliable flash exposures as Canon's E-TTL
system.

I discuss the use of auto flashes on Canon DSLRs at the bottom
of this webpage: http://folk.uio.no/gisle/photo/flash.html .

Signature

- gisle hannemyr [ gisle{at}hannemyr.no - http://folk.uio.no/gisle/ ]
------------------------------------------------------------------------
Kodak DCS460, Canon Powershot G5, Olympus 2020Z
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Dolph - 01 Aug 2005 03:20 GMT

>> I'm using a Canon Rebel and am new to digital cameras.
>>
[quoted text clipped - 15 lines]
> I discuss the use of auto flashes on Canon DSLRs at the bottom
> of this webpage: http://folk.uio.no/gisle/photo/flash.html .

Thank you very much. I went to your web page; it is very helpful and I'll
have to take the time to study it further.

'Dolph

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Dolph - 01 Aug 2005 20:07 GMT

>>> I'm using a Canon Rebel and am new to digital cameras.
>>>
[quoted text clipped - 20 lines]
>
> 'Dolph

I just tried again to open that web page but was denied access!! Can you
help please?

Thanks

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Gisle Hannemyr - 02 Aug 2005 12:02 GMT

>>> I discuss the use of auto flashes on Canon DSLRs at the bottom
>>> of this webpage: http://folk.uio.no/gisle/photo/flash.html .

>> Thank you very much. I went to your web page; it is very helpful
>> and I'll have to take the time to study it further.

> I just tried again to open that web page but was denied access!!
> Can you help please?

You got a 401 return code - or was it another error?

401, I can't explain. There is no access restrictions on that page.
If you got another error code, the server hiccupped.

Anyway - it appears to be working now. Plaese try again.

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Dolph - 02 Aug 2005 17:28 GMT

>>>> I discuss the use of auto flashes on Canon DSLRs at the bottom
>>>> of this webpage: http://folk.uio.no/gisle/photo/flash.html .
[quoted text clipped - 11 lines]
>
> Anyway - it appears to be working now. Plaese try again.

Working fine now. Thank you.

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wilt - 04 Aug 2005 22:34 GMT

Your owner's manual should be able to tell you if your camera is
limited to a certain maximum trigger voltage. My 20D manual does.

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