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Canon ST-E2 Speedlite Transmitter

B&H # CASTE2 MFR # 2478A002
In Stock
Free Expedited Shipping
You Pay: $223.95
Product Highlights
  • Clip-on Wireless Auto Flash Transmitter
  • Sets and Controls Flash Ratios
  • E-TTL-TTL II Compatible
  • E-TTL Wireless Autoflash Control
  • Built-In AF Assist Beam
  • High-Speed FP Flash
  • Powered by 2CR5 Lithium (6V) Battery

The Canon ST-E2 Speedlite Transmitter is a dedicated E-TTL (II) wireless autoflash transmitter that can control an unlimited number of flashes with Canon Speedlites 420EX, 430EX, 430EXII, 550EX, 580EX and 580EX in two separate groups; A and B.

The ST-E2 sets and controls all functions of its slave units. The flash output ratio between groups A and B can also be adjusted from 8:1 to 1:1 or from 1:1 to 1:8.

Under low-light or low-contrast conditions it emits an AF-assist beam linked to the camera's focusing points.

Note: 420EX/430EX cannot be used as the master slave to trigger other flashes.

Compatible Canon Speedlites 420EX, 430EX, 430EXII, 550EX, 580EX and 580EX II
Compatible Cameras: Type A EOS cameras (E- TTL, autoflash); type B EOS cameras (Manual flash).
Compatible models include: EOS 1D Mark II N, 20D/60D/70D EOS-1Ds MARK II, EOS 5D Mark III, PowerShot G3, PowerShot G5, PowerShot G6, PowerShot G7 and PowerShot G9
Flash Ratio Control: For A:B ratio: 1:8 to 8:1, in half- step increments or 13 steps
High- Speed Sync (FP flash): Enabled with high-speed sync mode
Slave Operation Confirmation: With test transmission button. *Slave A fires followed by slave B at 1/64 output
AF-assist Beam: Compatible with EOS-3's 45-point Area AF and 28mm and longer lens focal lengths
SE Feature: While the power switch is set to I or HOLD, the transmission turns off automatically after about 90 sec. of non-use
Transmission System Infrared pulse
Transmission Range Indoors: Approx. 39.4 - 49.2' (12-15 m)
Outdoors: Approx. 26.2-32.8' (8-10 m)
Transmission Coverage ±40° horizontal and ±30°vertical
Power Source 2CR5 lithium (6V) battery
Dimensions 2.4 x 2.0 x 3.1" (62 x 51 x 80mm) WxHxD
Weight 3.5 oz (100 g) [excluding battery]
Canon ST-E2 Speedlite Transmitter
  • Limited 1-Year Warranty
  • REVIEW SNAPSHOT®

    by PowerReviews
    CanonST-E2 Speedlite Transmitter
     
    4.4

    (based on 219 reviews)

    Ratings Distribution

    • 5 Stars

       

      (111)

    • 4 Stars

       

      (89)

    • 3 Stars

       

      (12)

    • 2 Stars

       

      (3)

    • 1 Stars

       

      (4)

    95%

    of respondents would recommend this to a friend.

    Pros

    • Lightweight (171)
    • Easy to use (142)
    • Consistent output (78)
    • Fast recycling (64)
    • Versatile (53)

    Cons

    • Weak output (6)
    • Poor quality (5)
    • Heavy / bulky (4)
    • Not interchangeable (3)

    Best Uses

    • Portraits (105)
    • Fill flash (104)
    • General purpose (82)
    • Night photography (55)
    • Lighting (38)
      • Was this a gift?:
      • No (95), Yes (3)
      • Reviewer Profile:
      • Semi-pro photographer (61), Pro photographer (39), Professional (34), Enthusiast (32), Photo enthusiast (31)

    Most Liked Positive Review

     

    Very Useful

    Works great with the 580 and 430 speedlites. Indoor use allows the infrared signal to bounce off of walls which increases the areas in which you can place the flashes. Very easy to control...Read complete review

    Works great with the 580 and 430 speedlites. Indoor use allows the infrared signal to bounce off of walls which increases the areas in which you can place the flashes. Very easy to control more than one flash. Radio feature allows for precise control over each groups flash output or compensation. Only con has to be that the transmitter will only point forward. It would be very thoughtful of Canon to update this allowing the Transmitter to be rotated or tilted just like the Speedlites, allowing for more flexibility with outdoor use. For now, a user will have to use the OC-E3 Off Camera Shoe Cord to allow the transmitter to be aimed at any location. This would be 5 stars if it would rotate and tilt. I use this for weddings.

    VS

    Most Liked Negative Review

     

    In a couple of words: it works.

    I would give it a five except for two features
    1. The power off resets the high shutter speed to 1/200th of a second, wwhich if you forget this (eas...Read complete review

    I would give it a five except for two features
    1. The power off resets the high shutter speed to 1/200th of a second, wwhich if you forget this (eas to do), blows out the shot and it is often lost forever. You have to remember to hit the H>>> button so you can use a shutter speed higher than 200th/sec. I use ten to twenty times that.
    2. The battery is not good for very many shots, no matter which one you buy. Sad.

    Reviewed by 219 customers

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    5.0

    ST-E2 Speedlite Transmitter

    By Gena

    from Australia,Melbourne

    About Me Photo Enthusiast

    Verified Buyer

    Pros

    • Easy To Use

    Cons

      Best Uses

      • Fill Flash
      • General Use
      • Portraits

      Comments about Canon ST-E2 Speedlite Transmitter:

      Hi,

      I live in Australia Melbourne, I bought several items from this store and thus far I have experienced nothing but the best in service, customer and product quality.

      The ST Speedlite Transmiter is an excellent item and I would Personally Recommend it to any photographer.

      The quality of service in this store is such that If I were to find another store that offered the same items at a lower price I would still buy it here.

      • Was this a gift?:
      • No

      Share this review

       
      4.0

      Good, Basic

      By MinAZ

      from Phoenix, AZ

      About Me Photo Enthusiast

      Verified Buyer

      Pros

      • Lightweight

      Cons

        Best Uses

        • Portraits

        Comments about Canon ST-E2 Speedlite Transmitter:

        This is a good basic optical transmitter. It does everything you would expect EXCEPT it does not have group C. If that matters, then this will not fit the bill. There is no earthly reason why Canon should have left that out - more the pity because otherwise this is a great little device. It is really easy to use and works seamlessly as it should.

        • Was this a gift?:
        • No

        Share this review

         
        4.0

        Just what I needed.

        By duckhook95207

        from Stockton, CA

        About Me Casual Photographer

        Verified Buyer

        Pros

        • Easy To Use
        • Lightweight

        Cons

          Best Uses

          • Portraits

          Comments about Canon ST-E2 Speedlite Transmitter:

          Great for off camera flash photography. Not as expensive as radio.

          • Was this a gift?:
          • No

          Share this review

          (3 of 3 customers found this review helpful)

           
          1.0

          Unreliable

          By Sharon

          from White Plains, NY

          About Me Casual Photographer

          Verified Buyer

          Pros

          • Lightweight

          Cons

            Best Uses

              Comments about Canon ST-E2 Speedlite Transmitter:

              Was so excited to have a transmitter that worked in TTL mode. Tested it with great results, but on my first shoot, it worked about 30-40 percent of the time. Was extremely frustrating to have no idea why it was working. Was indoors (heard it didn't work well in direct sunlight) and had the speedlight positioned on a softbox a few feet in front of me and a litle bit to the right. After a few days, I finally figured out what I was doing "wrong." The transmitter couldn't send out a signal to my speedlight when I turned my camera sideways and to the right to take a vertical portrait shot. Unbelievable. I obviously adapted and turned my camera left, but be forewarned: this thing is ULTRA sensitive. You can only have limited lighting set-ups because of this. Returned it and am going with the Pocket Wizard.

              Share this review

               
              5.0

              So Far no problems

              By Clint

              from Goldendale, WA

              About Me Photo Enthusiast

              Verified Buyer

              Pros

              • Consistent Output
              • Easy To Use
              • Fast Recycling
              • Lightweight
              • Powerful Output

              Cons

              • Needs A Larger Booklet

              Best Uses

              • Fill Flash
              • General Use
              • Night Photography
              • Portraits

              Comments about Canon ST-E2 Speedlite Transmitter:

              I use this to fire my Canon 430 EX flash in order to control the light on the subject. One can place the flash away from the camera in order to get more definition on the subject.

              • Was this a gift?:
              • No

              Share this review

               
              5.0

              So Far It's Good

              By GMan

              from Erie, PA

              About Me Photo Enthusiast

              Verified Buyer

              Pros

              • Easy To Use
              • Fast Recycling
              • Lightweight
              • Versatile

              Cons

                Best Uses

                • Fill Flash
                • General Use
                • Night Photography
                • Portraits

                Comments about Canon ST-E2 Speedlite Transmitter:

                I have only used this once so far and I like the freedom this unit allows as opposed unrolling and rolling up a tangled flash extension cable.

                • Was this a gift?:
                • No

                Share this review

                (1 of 1 customers found this review helpful)

                 
                1.0

                not good for outside

                By Kenji Nakamura

                from New York, NY

                About Me Pro Photographer

                Verified Buyer

                Pros

                • Easy To Use

                Cons

                • Slow Recycling

                Best Uses

                • Fill Flash
                • Portraits

                Comments about Canon ST-E2 Speedlite Transmitter:

                It works fine indoors, but it fails whenever I try to use if outdoor. Maybe because of the sunlight the transmitter doesnt communicated with the speedlight. I lost many great shots during a fashion photoshoot because of it. I would recoment it for indoors photoshoots, not for outdoors..

                • Was this a gift?:
                • No

                Share this review

                 
                4.0

                Very good

                By Luiz Netto

                from Recife, PE - Brazil

                Verified Buyer

                Pros

                • Lightweight
                • Versatile

                Cons

                  Best Uses

                    Comments about Canon ST-E2 Speedlite Transmitter:

                    A very nice equipment, lighweight and versatile

                    Share this review

                     
                    4.0

                    Works as designed

                    By Dcm1024

                    from Columbia, SC

                    About Me Semi-pro Photographer

                    Verified Buyer

                    Pros

                    • Consistent Output
                    • Durable
                    • Easy To Use
                    • Fast Recycling
                    • Lightweight
                    • Powerful Output
                    • Versatile

                    Cons

                      Best Uses

                        Comments about Canon ST-E2 Speedlite Transmitter:

                        I purchased this to use my flash off camera for portraits, and it works as intended. I would prefer to have the new 600 -RTs and ST-E3 due to the radio transmission function, but they are not in my budget at the moment.

                        • Was this a gift?:
                        • No

                        Share this review

                         
                        5.0

                        Love it.

                        By Tony

                        from Burbank

                        About Me Photo Enthusiast

                        Verified Buyer

                        Pros

                        • Easy To Use
                        • Fast Recycling
                        • Lightweight

                        Cons

                        • A little pricey

                        Best Uses

                        • Fill Flash
                        • General Use
                        • Night Photography
                        • Portraits

                        Comments about Canon ST-E2 Speedlite Transmitter:

                        I've only just started using my ST-E2, but I have to say I'm ashamed it's taken me this long to get one. Works as advertised and I'm happy to report that so far, there's nothing bad I can say.

                        My only gripe is that like many of my Canon Products, it seems a bit pricey for what it does. Also takes what seemed to me to be an obscure battery, but just might not be familiar with it.

                        Fo get one and get your flashes off your cameras!

                        • Was this a gift?:
                        • No

                        Share this review

                        (0 of 1 customers found this review helpful)

                         
                        5.0

                        JUST WHAT I NEEDED

                        By Tony

                        from Fayetteville, GA

                        About Me Photo Enthusiast

                        Verified Buyer

                        Pros

                        • Consistent Output
                        • Easy To Use
                        • Fast Recycling
                        • Lightweight

                        Cons

                          Best Uses

                          • Fill Flash
                          • General Use

                          Comments about Canon ST-E2 Speedlite Transmitter:

                          I recently purchased another 430ex and thought I already had the option on my camera for slave shots. After watching tutorials about my camera I found I needed a transmitter to make this option work. I was about to puchase a more expensive model but decided to call B&H first. The rep I spoke with explained that for my needed this would be a prefect solution.
                          Thanks B&H

                          • Was this a gift?:
                          • No

                          Share this review

                           
                          5.0

                          Works well

                          By Cerise

                          from Bronx

                          About Me Photo Enthusiast

                          Verified Buyer

                          Pros

                          • Easy To Use

                          Cons

                            Best Uses

                            • Night Photography

                            Comments about Canon ST-E2 Speedlite Transmitter:

                            Easy to use, lightweight

                            • Was this a gift?:
                            • No

                            Share this review

                             
                            4.0

                            Easy to use

                            By Marc

                            from Montreal, Canada

                            About Me Semi-pro Photographer

                            Verified Buyer

                            Pros

                            • Easy To Use
                            • Lightweight

                            Cons

                              Best Uses

                                Comments about Canon ST-E2 Speedlite Transmitter:

                                Used with Canon 5D Mk III, 600EX-RT and (2) 430EX II. Easy to use. If you need more control, use a 580EX II or a 600EX-RT as the master.

                                • Was this a gift?:
                                • No

                                Share this review

                                (1 of 1 customers found this review helpful)

                                 
                                5.0

                                Works as it should

                                By eMac

                                from Nortern California

                                About Me Photo Enthusiast

                                Verified Buyer

                                Pros

                                • Consistent Output
                                • Easy To Use
                                • Fast Recycling
                                • Lightweight

                                Cons

                                  Best Uses

                                  • Fill Flash
                                  • General Use
                                  • Portraits

                                  Comments about Canon ST-E2 Speedlite Transmitter:

                                  I am very pleased with this device. I am new to lighting with more than one flash, am tired of the extrememly low cost wireless triggers and receivers. This works every time, useful indoors and in smaller areas. Works fine with 24x24 softbox on ring, again in smaller areas. I haven't tried to use softbox outside yet, weather has been too wintery and cold.

                                  • Was this a gift?:
                                  • No

                                  Share this review

                                   
                                  5.0

                                  Glad I found this!!!!!

                                  By Mel

                                  from Mel

                                  About Me Semi-pro Photographer

                                  Verified Buyer

                                  Pros

                                  • Easy To Use
                                  • Lightweight

                                  Cons

                                    Best Uses

                                    • General Use

                                    Comments about Canon ST-E2 Speedlite Transmitter:

                                    Works very well on my 5d Mark ii with my 430EXII. I have used with up to two flashes. Works consistently. Easy to use and lightweight.

                                    • Was this a gift?:
                                    • No

                                    Share this review

                                     
                                    4.0

                                    Excellent Transmitter

                                    By cooper.gary

                                    from Washington, DC

                                    About Me Pro Photographer

                                    Verified Buyer

                                    Pros

                                    • Easy To Use
                                    • Lightweight

                                    Cons

                                      Best Uses

                                      • Fill Flash
                                      • General Use
                                      • Night Photography
                                      • Photojournalism
                                      • Portraits

                                      Comments about Canon ST-E2 Speedlite Transmitter:

                                      Used with Canon 5D Mk II, 580EX and 430EX. Only drawback is the ST-E2 can only control two slave groups. If I need three slave groups, I use a 580EX as the master.

                                      • Was this a gift?:
                                      • No

                                      Share this review

                                       
                                      5.0

                                      Works Great and Easy to Use!

                                      By Marshred

                                      from Southwest, LA

                                      About Me Semi-pro Photographer

                                      Verified Buyer

                                      Pros

                                      • Easy To Use
                                      • Lightweight
                                      • Versatile

                                      Cons

                                        Best Uses

                                        • Portraits

                                        Comments about Canon ST-E2 Speedlite Transmitter:

                                        I am using this to fire two Canon Speedlites. A 430EX-II and the new 600EX-RT. It only took a few minutes to have the everything working. It is so easy to use the ratio adjustment to shift the balance of light between the two Speedlites. Very happy with it!

                                        • Was this a gift?:
                                        • No

                                        Share this review

                                         
                                        5.0

                                        Would buy this product again

                                        By Abe

                                        from Detroit Michigan

                                        About Me Semi-pro Photographer

                                        Verified Buyer

                                        Pros

                                        • Easy To Use
                                        • Lightweight
                                        • Versatile

                                        Cons

                                          Best Uses

                                          • Fill Flash
                                          • Portraits

                                          Comments about Canon ST-E2 Speedlite Transmitter:

                                          Wanted to get my flash off camera this unit did the trick

                                          • Was this a gift?:
                                          • No

                                          Share this review

                                           
                                          5.0

                                          Love it

                                          By Kriss Ardoin

                                          from Youngsville, LA

                                          About Me Pro Photographer

                                          Verified Buyer

                                          Pros

                                          • Consistent Output
                                          • Durable
                                          • Easy To Use
                                          • Fast Recycling
                                          • Lightweight
                                          • Powerful Output
                                          • Versatile

                                          Cons

                                            Best Uses

                                            • Fill Flash
                                            • General Use
                                            • Portraits

                                            Comments about Canon ST-E2 Speedlite Transmitter:

                                            I used the sync cords previously but the cords get in the way and break. this was just what I needed. I set up my camera on my swivel bracket, add this to the camera and my speedlite to the bracket and no messy wires! just wish the battery was rechargeable.

                                            • Was this a gift?:
                                            • No

                                            Share this review

                                            (1 of 1 customers found this review helpful)

                                             
                                            4.0

                                            works exactly as advertised

                                            By Pepper

                                            from Toronto, ON

                                            About Me Pro Photographer

                                            Verified Buyer

                                            Pros

                                            • Durable
                                            • Easy To Use
                                            • Lightweight

                                            Cons

                                              Best Uses

                                              • General Use
                                              • Night Photography
                                              • Photojournalism
                                              • Portraits

                                              Comments about Canon ST-E2 Speedlite Transmitter:

                                              Only works in line of sight..which is as advertised, but leaves you wanting more.

                                              The unit itself it very light and is able to control multiple speedlights at the same time.

                                              Overall, very happy with my purchase.

                                              • Was this a gift?:
                                              • No

                                              Share this review

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                                              Batteries & Power

                                              Required item: Batteries are not included, and are required to power your flash.

                                              General Brand -  2CR5 6v Lithium Battery
                                              • You Pay: $5.95
                                               

                                              Sync Cords & Flash Remotes

                                              Show more >
                                              Canon -  OC-E3 Off Camera Shoe Cord (2')
                                              • You Pay: $69.95
                                               
                                              Vello -  Off-Camera TTL Flash Cord for Canon Cameras (3')
                                              • You Pay: $14.99
                                               
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