Canon Support for Speedlite Transmitter ST-E3-RT

Speedlite Transmitter ST-E3-RT

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Software Development Kit

The Canon EOS Digital Camera Software Development Kit (EDSDK) and the Camera Control API (CCAPI) are available on select Canon cameras¹ and enables developers to integrate select Canon cameras directly into their software application solutions, giving them access to remote control and communication functionality of the camera. The EDSDK supports USB communication on Windows, Macintosh, and Linux operating systems, while the CCAPI uses Wi-Fi (Ethernet on select cameras) and can be used with almost any OS.

The EDSDK and CCAPI (along with other SDKs and APIs) are provided free of charge and more information can be found at https://www.usa.canon.com/support/sdk.

1. Compatibility list available on Canon Developer Community website

SETUP & TROUBLESHOOTING

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Error Codes

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PRODUCT INFO

Operating System Compatibility

Technical Specifications

Main Unit Spec

Flash

Type	Radio transmissions wireless Speedlite transmitter
Compatible Cameras	Type A EOS cameras (E-TTL II/E-TTL autoflash)
Sync Speed	High-Speed Sync provided (EOS-1D X and EOS 5D Mark III only)
Flash Exposure Confirmation	Flash exposure confirmation lamp lights in green * If it does not light, shooting is not performed with the standard exposure
AF Assist Beam	N/A

Wireless Functions

Transmission System	Radio Transmission
Transmission Range	Approx. 98.4 ft. (30m)
Flash Ratio Control	1:8 - 1:1 - 8:1, power 1/2-stop increments
Flash Coverage	Transmission Angle: 360° all around
Receiver Operation Confirmation	Green Light Lit: Radio Transmissions Okay Red Light Lit: Not Connected Blinking: Transmission Error/ Too many units (Sender units + receiver units = more than 16 units) Orange Light Lit: Sub-sender transmission Blinking: Receiving remote release shooting, linked shooting signal
Receiver Unit SE Mode Cancellation	The test flash button can be pressed to test if the receiver units fire or cancel the auto power off status.

General

Power Source	AA/LRG Alkaline Batteries x2(Ni-MH and Lithium batteries can also be used) Battery Life: Approx. 10 hours continuously *When using AA/LR6 alkaline batteries used (At a room temperature +23°C/73°F).
SE Mode	Power off after 5 min. of idle operation
Dimensions	2.65 (W) x 2.42 (H) x 3.05 (D) in. / 67.4 (W) x 61.5 (H) x 77.4 (D) mm
Weight	3.9 oz. / 110g (excluding battery)

Warranty Info

EOS DIGITAL CAMERA LIMITED WARRANTY
For The U.S.A. And Canada Only

The limited warranty set forth below is given by Canon U.S.A., Inc. (Canon U.S.A.) in the United States or Canon Canada Inc., (Canon Canada) in Canada with respect to the Canon brand EOS Digital Camera (the “Product”) *, when purchased and used in the United States or Canada. The Product purchased with this limited warranty is the only EOS Digital Camera to which this limited warranty applies.

Canon U.S.A., Inc. and Canon Canada Inc. (collectively "Canon") warrant to the original end-user purchaser, when delivered in new condition in its original container, that the Product will be free from defects in materials and workmanship under normal use and service for a period of one (1) year from the date of original purchase. Product returned to a Canon repair facility and proven to be defective upon inspection will, at Canon’s sole discretion and without charge, be (a) repaired utilizing new, remanufactured, repaired and/or recycled parts; (b) exchanged for a new Product or; (c) exchanged for a refurbished Product, as determined by the Canon repair facility. Warranty exchange or replacement does not extend the original warranty period of the Product.

THIS WARRANTY DOES NOT COVER ANY ACCESSORIES. This limited warranty shall only apply if the Product is used in conjunction with compatible computer equipment and compatible software, as to which items Canon U.S.A. or Canon Canada, shall have no responsibility. Non-Canon brand equipment and software that may be distributed with the Product are sold "as is" and without warranty of any kind by Canon U.S.A. or Canon Canada, including any implied warranty regarding merchantability or fitness for a particular purpose, and all such warranties are disclaimed. The sole warranty, if any, with the respect to such non-Canon brand items is given by the manufacturer or producer thereof.

This limited warranty covers all defects encountered in normal use of the Product, and does not apply in the following cases:

Loss of or damage to the Product due to abuse, mishandling, improper packaging by you, alteration, accident, electrical current fluctuations, failure to follow operating, maintenance or environmental instructions prescribed in Canon U.S.A.'s or Canon Canada's user's manual or services performed by someone other than Canon U.S.A. or Canon Canada, or a Canon authorized service provider for the Product. Without limiting the foregoing, water damage, sand/corrosion damage, battery leakage, dropping the Product, scratches, abrasions or damage to the body, lenses or LCD display or damage to the any of the accessories mentioned in the first paragraph above will be presumed to have resulted from misuse, abuse or failure to operate the Product as set forth in the operating instructions
Use of parts or supplies (other than those sold by Canon U.S.A. or Canon Canada) that cause damage to the Product or cause abnormally frequent service calls or service problems
If the Product has had its serial number or dating altered or removed.

NO IMPLIED WARRANTY, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, APPLIES TO THE PRODUCT AFTER THE APPLICABLE PERIOD OF THE EXPRESS LIMITED WARRANTY STATED ABOVE, AND NO OTHER EXPRESS WARRANTY OR GUARANTY, EXCEPT AS MENTIONED ABOVE, GIVEN BY ANY PERSON OR ENTITY WITH RESPECT TO THE PRODUCT SHALL BIND CANON U.S.A. OR CANON CANADA (SOME STATES AND PROVINCES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU)..NEITHER CANON U.S.A. NOR CANON CANADA SHALL BE LIABLE FOR LOSS OF REVENUES OR PROFITS, INCONVENIENCE, EXPENSE FOR SUBSTITUTE EQUIPMENT OR SERVICE, STORAGE CHARGES, LOSS OR CORRUPTION OF DATA, OR ANY OTHER SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES CAUSED BY THE USE OR MISUSE OF, OR INABILITY TO USE, THE EOS DIGITAL CAMERA, REGARDLESS OF THE LEGAL THEORY ON WHICH THE CLAIM IS BASED, AND EVEN IF CANON U.S.A. OR CANON CANADA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT SHALL RECOVERY OF ANY KIND AGAINST CANON USA OR CANON CANADA BE GREATER IN AMOUNT THAN THE PURCHASE PRICE OF THE PRODUCT SOLD BY CANON USA OR CANON CANADA AND CAUSING THE ALLEGED DAMAGE. WITHOUT LIMITING THE FOREGOING, YOU ASSUME ALL RISK AND LIABILITY FOR LOSS, DAMAGE OR INJURY TO YOU AND YOUR PROPERTY AND TO OTHERS AND THEIR PROPERTY ARISING OUT OF USE OR MISUSE OF, OR INABILITY TO USE, THE PRODUCT NOT CAUSED DIRECTLY BY THE NEGLIGENCE OF CANON USA OR CANON CANADA (SOME STATES AND PROVINCES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE EXCLUSION OR LIMITATION MAY NOT APPLY TO YOU). THIS LIMITED WARRANTY SHALL NOT EXTEND TO ANYONE OTHER THAN THE ORIGINAL PURCHASER OF THE PRODUCT, OR THE PERSON FOR WHOM IT WAS PURCHASED AS A GIFT, AND STATES YOUR EXCLUSIVE REMEDY.

Canon U.S.A.
You may obtain technical support** for your Product as follows:
E-mail support via our Web site at www.canontechsupport.com
Telephone assistance from a Canon U.S.A. Customer Care representative free of charge during regular business hours at 1-800-OK-CANON (1-800-652-2666)

Canon Canada
You may obtain technical support* for your Product as follows:
Telephone assistance from a Canon Canada Customer Care representative free of charge during regular business hours at 1-800-OK-CANON (1-800-652-2666)
When you call, have your Product serial number and your date of purchase available to expedite service. A Canon Customer Care representative will attempt to diagnose the nature of the problem and correct it over the telephone. If the problem cannot be corrected over the telephone, you will be asked to follow the applicable procedures for MAIL-IN SERVICE. Note that a dated proof of purchase is required at the time of service. This requirement will be satisfied by providing a copy of your dated bill of sale.

** Technical support program specifics subject to change without notice.

MAIL-IN SERVICE is a program under which your Product is repaired by a Canon U.S.A. or a Canon Canada authorized service center for the Product. Authorized service center information can be obtained by visiting www.canontechsupport.com (US customers only) or by contacting the Canon U.S.A., Customer Care Center or Canon Canada Customer Information Centre at 1-800-OK-CANON (1-800-652-2666). You will be given the name, address and phone number of an authorized service center.

It is your responsibility to properly package and send the defective Product, together with a copy of your dated proof of purchase, a complete explanation of the problem and a return address to the authorized service center at your expense. Do not include any other items with the defective Product. The Product covered by this limited warranty and proven to be defective upon inspection will be repaired and returned to you without charge by the authorized service center. Any Product received by the authorized service center that is not covered by the limited warranty will be returned unrepaired, or at the discretion of the authorized service provider, you may receive a written estimate of repair at such cost as the service center may establish from time to time.

This limited warranty gives you specific legal rights, and you may also have other rights, which vary from state to state (or province to province in Canada).

*The battery pack packaged with the Product carries a separate ninety (90) day limited warranty.