Conclusion: The Speedlite 270EX II does a fine job when used on-camera, but the slave feature is only marginally useful. Because having to aim the flash head toward the mastter (in my case, this is my Rebel T3i camera) in order for it to receive the signal emitted by camera's built-in flash, defeats the purpose of slave operation. Canon should have positioned the sensor on the 270EX II in a more omnidirectional location in the Speedlite.
Pros: quiet, Good Exposure performance, Superior build quality
Cons: Slow recycling time, difficult to use as a slave
Excerpt: I bought this speedlite with a 50mm 1.8f lens and a flash diffuser. The speedlite is good addition to my arsenal, but frankly speaking i shoot mostly indoors and at night and for that the 1.8f has done wonders for me. The total cost of these three things was [$]. I did notice that the 50mm 1.4f is for [$] and given the huge difference i see in shooting capabilities of 1.8f given the wide aperture; i'm sure 1.4f would have been a better buy for the price difference.
Excerpt: It is great because is very portable. It is not so great because the wireless function is only available for T3i canon model and futher versions. It would be nice if the flash had the option to fire it directly from the flash not only for the camera.
Excerpt: It`s small, it works as advertised BUT it could be better with minor improvements. The line of sight angle, for instance, is not good (if you want to use the flash facing a wall, for example, an the camera cannot "see" it, than it may not fire). Other than that (which is a MAJOR for me), its light, does not uses tons of battery packs, and its easy to handle.
Excerpt: Great for quick easy fill flash. Im a pro photographer and get many assignments where I have to strip down my gear due to the assignment, bike riding, horse back, motor cycle, air plane whatever. Its nice to have a super small flash when space is at a minimal in a cockpit or on a bike. It works great for fill. Recycle time, long so you need to get the shot right on the first or third frame to nail it. Limited custom functions.
Excerpt: I normally use a Canon Speedlite 430EX with my G12 and my Rebel XSI. Often, I use a Canon STE2 wireless transmitter and hand-hold the flash of to the side for better portrait effects. The Speedlite 430 is rather large for the G12, so I bought the Speedlite 270EX II. I waited for the "II" model, because it works with Canon wireless transmission. It does indeed work with the STE2, even though few sites inform you of this; that's a big plus.
Pros: Good match for Canon G12, Lightweight, Only 2 AA batteries, Works with Canon STE-2
Summary: Ein Blitzgerät, wie man sich es wünscht: klein, kompakt, ausreichend viel Power, um in normalen Innenräumen eine gute Ausleuchtung indirekt oder direkt geblitzt zu schaffen. Allerdings sind die gepriesenen neuen Features im Gegensatz zum Vorgängermodell 270EX nur eingeschränkt mit bestimmten Kameramodellen nutzbar. Ich wollte ihn zur Canon 5D Mk II verwenden, stellte aber fest, dass er hier nicht als Servoblitz ohne weiteres Zubehör einsetzbar ist.