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The new CANON 600ex Speed Lites


canonfan46 5 1.1k United Kingdom
15 Jan 2013 7:50PM
Hi all,


I have two 580ex units in perfect working order but I have been looking at the new canon speed lite flashes and was just wondering if they had any new capability that would justify the upgrade.

The 580ex has a guide number of 58 and the new 600ex has 60. Minimum gain really.

The 580ex has a 105 zoom, and the 600ex has 200 zoom. How much of a difference would this make. Could be useful in my bird photography?

What else am I missing that would warrant an upgrade?


Also another puzzling point:-
The 600EX-RT has radio transmittion to slave units. (?)......... as oposed to infrared on the 600ex (?)

As I thought that RT would be an addittional feature, why is it that the 600EX-RT is the cheaper option?

Any thoughts?


The 600EX

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arhb Plus
7 2.6k 68 United Kingdom
15 Jan 2013 8:05PM
Hi John,
the 600EX speedlite has radio reception, so can be used with the 600EX RT radio transmitter unit.
The downside, from what I can undersatnd is that this is exclusive transmit/receive relationship, so you can only use 600EX units with the transmitter.
If you plan to invest in more 600EX units, it will make a nice set-up, but if you want to mix and match studio lights and different speedlites,
the basic radio sets will work fine.
canonfan46 5 1.1k United Kingdom
15 Jan 2013 8:13PM

Quote:the basic radio sets will work fine.

Do you mean Infrared?
arhb Plus
7 2.6k 68 United Kingdom
15 Jan 2013 8:21PM
No, they use radio frequency rather than infra red, so can transmit round corners/through walls.
Infra red needs line of sight(all models of canon speedlite up until the 600EX use infra red)
An example of Radio frequency triggers/receivers would be RF602 for example.
canonfan46 5 1.1k United Kingdom
15 Jan 2013 8:28PM
Ok, I see, I thought by basic sets you meant the 580ex.
So given that I dont do any studio work, there is not a lot to be gained in the new 600's?
Is there any advantage to be had in the E-TTL department?
arhb Plus
7 2.6k 68 United Kingdom
15 Jan 2013 8:33PM
Well, if you want to use something like Pocket wizards, which are ettl radio triggers, they will allow you to trigger your speedlites with adjustment from the camera.

I'm assuming you do your bird work with 580's set up as master and slave?
canonfan46 5 1.1k United Kingdom
15 Jan 2013 8:36PM
No, for birding I use the flash with a "better beamer" or on camera if close enough.
arhb Plus
7 2.6k 68 United Kingdom
15 Jan 2013 8:49PM
Ah okay.
When you use your 580's together, how do you set them up to fire together?
canonfan46 5 1.1k United Kingdom
15 Jan 2013 8:51PM
One on camera will fire the other remotely or I have an STE2 which fires both flashes remotely.

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