Difference in flashes

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Nicki.
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As you know I am looking for a flash gun and was wondering what the real or noticeable dfference would be in me buying a second hand 580 Ex or a Jessops 360 AD flash for 1/3 the price
 
Can anyone help me in answering this before I spend alot of uneccessary money!
 
Canon will support their flashgun technology in all future cameras, as they do with their lenses, some of the technology that works is pretty much hidden from everyone else so some things that may be in the pipeline will probably not work with aftermarket gear. Sigma lens are a good example, they work fine with current bodies but struggle when a new body is released.
Build quality is another issue with some aftermarket stuff.
Not sure if the Jessopp gun acts in exactly the same way as the 580ex, for instance does the Jessopp act as a controller for other flashguns, the 580 can be hotshoe mounted, switched to fire only an activating beam for a slave and take no part in the actual exposure. There are a host of other things it will do, will the Jessopp also do them?

Matt
 
Most basically the Jessops flash has a guide number of 36 and the 580EX is 58. See here for an explanation of guide numbers.

Also, the 580EX is much more configurable. It has a larger zoom range, it has a wider power range which is adjustable in more stops. Perhaps the biggest thing is the ability to integrate the 580 in to a wireless setup in the future (especially if you want to keep ETTL).

As with everything, the more money you spend the better the kit you can get.
 
I do not shoot Canon, but when I was looking for flash guns the main things I noticed were
  1. Power of Flash
  2. Features
  3. compatablity
  4. build quailty.

When I have brought all my flashes I have stuck with Nikon due to the above list, get the best you can afford.
 
Not really any comparison, except in terms of value.

Canon 580EX is their top end gun. About 150% more powerful than the Jessops, master controller facility, fast recycle, manual power down to 1/128th, HHS and second curtain modes, and just about every other feature they can throw at it :thumbs:

Only the 580EXII tops it with a few more relatively specialist features.
 
I have both of these flashes, if you have the pennies for the 580, buy it!
 
I went from a Sigma 500 Super to a 550EX and whilst feature set and output were comparable, I found the Canon flash to be much easier to understand and use. I would recommend a Canon 430EX, 550EX or 580EX. They hold their value better than the 3rd party guns as well.
 
Both the 430EX and 580EX would be better choices than most 3rd party ones for suture compatibility, ease of use and resell value.

Also the ETTL-II support is better on the Canon, I had problems with a Sigma 500 flash I tried in the past with overexposure
 
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