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REVIEW SNAPSHOT®

by PowerReviews
CanonST-E3-RT Speedlite Transmitter
 
4.7

(based on 285 reviews)

Ratings Distribution

  • 5 Stars

     

    (229)

  • 4 Stars

     

    (42)

  • 3 Stars

     

    (7)

  • 2 Stars

     

    (2)

  • 1 Stars

     

    (5)

98%

of respondents would recommend this to a friend.

Pros

  • Easy to use (189)
  • Lightweight (186)
  • Reliable (181)
  • Packs small / compresses (103)
  • Strong construction (83)

Cons

  • Difficult to use (4)

Best Uses

  • Weddings (116)
  • Family photos (92)
  • Portraits (70)
  • Travel (62)
  • Studio (48)
    • Reviewer Profile:
    • Pro photographer (76), Semi-pro photographer (45), Professional (33), Photo enthusiast (29), Semi-professional (22)
    • Was this a gift?:
    • No (220), Yes (3)

Most Liked Positive Review

 

The Holy Grail of Flash Transmitters

Canon's new flash system is a tour de force of flash technology with RF wireless control as the centerpiece. No longer do we have to choose between RF convenience and sophisticated features like high...Read complete review

Canon's new flash system is a tour de force of flash technology with RF wireless control as the centerpiece. No longer do we have to choose between RF convenience and sophisticated features like high speed sync. We can have it all.

This unit is a 600EX-RT w/o the flash head. As such it is extremely light weight and obviously much smaller than the full flash. It only controls via RF so don't imagine using it with older, non-RT flashes. I tested mine with my 600EX-RT to a distance of 187 feet w/ flawless results.

Canon's new control layout, which is exactly the same on both the ST-E3-RT and the 600EX-RT, is greatly improved from previous speedlites in terms of the quality of the LCD display and the logic of the menu system itself. Once you get used to it you will never go back. Well done, Canon.

What is it missing? Some have complained that the unit lacks the ability to provide focus assist like the much older ST-E2. I wonder if any of the complainers ever used the focus assist on the ST-E2. It wasn't worth much. A flashlight or, better, a pen laser is far more effective in this role. It doesn't do second curtain sync. Wish it did. It doesn't appear to be firmware upgradeable. Wish it was. And I do wish the range was greater—just because I'd like it to have more range than I could ever imagine using. But, really, to call these concerns "minor" is to overstate their importance.

With five groups to work with, remote control of up to 15 speedlites, and two way communication between the system components, the ST-E3-RT is an outstanding component in what is now the ultimate flash system. I've been waiting years for Canon to upgrade their system. With the new ST-E3-RT and 600EX-RT they have a couple home runs.

VS

Most Liked Negative Review

 

I'm a little disappointed

For what it's worth, this transmitter does radio control off-camera speedlites... And that's all it does. Which is a bad thing. It no longer has the autofocus assist beam for focusing in...Read complete review

For what it's worth, this transmitter does radio control off-camera speedlites... And that's all it does. Which is a bad thing. It no longer has the autofocus assist beam for focusing in low light conditions -- and low light conditions are possibly a principal reason you're using this equipment. It no longer has the optical transmitter function -- and some of your speedlites may be legacy devices. The interoperability of this device is lacking with other Canon and non-Canon flashes currently on the market; and these flashes will continue to be on the market for a long time.

Frankly, it makes a lot more sense to purchase a 600EX-RT and use it as a master transmitter with the flash set to not discharge on exposure (yes, you can use the 600EX-RT as a low-light autofocus assist or transmitter without flashing.) The 600EX-RT gives you the same master transmitter controls as the ST-E3-RT, but in addition you get the autofocus assist beam, a backwards compatible optical transmitter capability, and a flash bulb. For just a little bit more in price.

And what about the Pocketwizards? This has virtually the exact same functionality as a Pocketwizard, but the Pocketwizard transmitter only costs two hundred dollars. Really. This is a no-brainer. Skip the ST-E3-RT and wait for Canon to release the Mark II update that also includes the autofocus assist beam and the legacy optical transmitter functionality.

Reviewed by 285 customers

Displaying reviews 1-20

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5.0

Enjoying the new addition

By Ann

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

Nice addition to my speedlite

 
5.0

Easy to set up

By Christel

from Tampa FL

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

The ST-E3-RT Speedlite transmitter was very easy to set up with my 630EX II-RT speedlite. I have used it several times and it has performed well.

 
5.0

I would buy it again and did.

By Maryllis

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

I love working with this trigger and off camera flash with my two canon 600 ex rt flash. The control at my fingertips and ability to change power so quickly and easily is great. The reach meets my needs and ability to trigger through obstacles is priceless. I bought a second one so I did not have to switch off when using two bodies on a shoot. Worth every penny.

 
4.0

I would recommend this product.

By Tracy

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

Excellent with the 600 series speedlites. Pricey for sure, but so far dependable. Only bummer for me is it doesn't have second curtain flash feature. Use it a lot for landscapes. Obviously not a deal breaker, but would have loved to have it. Otherwise no complaints.

 
5.0

Very pleased

By Alec

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

I am very pleased with this purchase the unit is very intuitive to use and moving my flash off the camera has improved the quality of my work.

 
5.0

Outstanding

By Roger

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

Nice to control my multi flash from the camera instead of walking to the flash.

 
5.0

So Nice

By CoffeeMom

from Ohio

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

The ease of this transmitter is wonderful. It is intuitive, and easy to work with.

 
5.0

I will by another one.

By Thom J

from Meridian, ID

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

he ST-E3-RT is basically a Canon 600EX without the flash, so there was virtually no learning curve. It makes off-camera flash simple and fast. Unlike when using the flash off-camera, line of sight, I have never had a mis-fire. It's tough, reliable, fast, and easy. I don't know what more you could ask for.

 
5.0

Once you figure it out - It's Great!!

By Glen Canyon Mike

from Nipomo, CA

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

I had one Canon 6000EX-II-RT and while it works exceptionally well I wanted the flexibility to move the flash(s) away from the camera. I purchased a second Canon 6000EX-II-RT and the ST-E3-RT so I could better control the light. So far I have done a few exposures for test purposes and have been quite pleased with the results. The ST-E3-RT controls both flashes and allows me the freedom to set the lignt as I want. The results image wise have been quite good. I am happy with my purchase

 
5.0

Works great

By mr.software

from tennessee

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

Replacing pocket wizard Flex TT5s. They have never been reliable. Now using all RT-600 v1 and v2 speedlights. This actually works.

 
5.0

Works great and makes radio transmission a breeze

By Laura

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

I used to use another 600 and switch the flash off and just use it to trigger until I realized I needed that 3rd light and having a trigger would be less weight to carry around. :) love the set up now!

 
5.0

A very useful tool

By Christa

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

I love this! I put it on my camera and was able to use it right out of the box. The user interface is clear and I didn't have to read the instructions to figure out how to work the basics. I would recommend this to anyone.

 
5.0

love it

By Nathan

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

great system!

 
5.0

Very useful accessory

By Nina

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

Very efficient and reliable.

(0 of 3 customers found this review helpful)

 
1.0

Missing some key features on this top dollar device.

By Hank

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

Canon is a joke these days...Its a dinosaurs in a fast changing high tech world we live in. I'm no longer investing in Canon because I can see where it's all headed. Think RIM, Kodak, Motorola...companies that failed to innovate and listen to customers when they were at the top...

 
5.0

Love this little transmitter!!!

By Melissa

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

I love it! It's so much lighter and easier to work with than having to have a master flash on-camera. Used it for a shoot Saturday with excellent results. Easy to control multiple lights quickly and efficiently.

 
4.0

Works great

By Merrick

from undisclosed

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

Works great but a little pricey

 
4.0

Really great, just lacking a few things!

By Jeffrey

from Undisclosed

See all my reviews

Site Member

Comments about Canon ST-E3-RT Speedlite Transmitter:

Overall this is a great little unit. The fact that it lights up on touch is fantastic when working in dark conditions. It is wonderful to have the exact same interface as my 600 series speedlites. I love that it uses AA batteries and not CR2450s. I wish it had a longer internal memory. If you aren't lighting quick with battery changes it will wipe out everything you configured. This kind of sucks when you have 3 or 4 speedlites dialed in! My number one wish for this thing was that it had an AF beam emitter. I shoot weddings and this thing is borderline useless in dark receptions because I can't hit focus. I'm forced to use up precious speedlites with the flash turned off just for this feature when I'm shooting off-camera flash. Canon's pouches are notoriously poorly designed. I would kill to see a belt loop on the pouch.

 
5.0

Great transmitter

By Zac

from Undisclosed

Comments about Canon ST-E3-RT Speedlite Transmitter:

I was worried it was going to be awkward on the camera but t really isn't. Compact and really easy to use and navigate. I use it on a 6D with two 430ex iii rt.

 
5.0

Easy and Reliable

By Scott Oconomowoc

from Oconomowoc, WI

Verified Buyer

Comments about Canon ST-E3-RT Speedlite Transmitter:

I'm not yet using this to its full capabilities, but so far, it's been very easy to set up and works great. There are other brands out there that claim to be as good and reliable at a cheaper price, but my experience is that when you stick with a brand in a "brand system," you don't need to worry nearly as much about the reliability of everything working in the field.

Displaying reviews 1-20

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