Canon must release their SDK (Software Development Kit) that includes support for the 5D.3 before Adobe can work on tethering, so keep checking in the Software and Drivers section of Canon’s 5D.3 info to see when the SDK is shown, and then give Adobe enough months to get their part done, afterwards:

http://www.usa.canon.com/cusa/consumer/products/cameras/slr_cameras/eo s_5d_mark_iii#DriversAndSoftware

On other, older camera pages, the SDK is listed below the Select OS area.  For example here is the 60D page that shows the latest SDK was April 2011:

http://www.usa.canon.com/cusa/consumer/products/cameras/slr_cameras/eo s_60d#DriversAndSoftware

ssprengel wrote:

 

Canon must release their SDK (Software Development Kit) that includes support for the 5D.3 before Adobe can work on tethering, so keep checking in the Software and Drivers section of Canon’s 5D.3 info to see when the SDK is shown, and then give Adobe enough months to get their part done, afterwards:

Then how do you explain that Aperture 3 has had tethering support for the 5DmkIII (and the 1Dx) since May 2012?

good question.. maybe apple lawyers threatened canon and so canon gave them the SDK earlyer.... 

or adobe had so much to do fixing the buggy 4.0 release they had no time for including it.

anyway im pretty sure the next update will include thethered support for the MK3.

makes sense...so really what the issue is is Adobe's release schedule....I'm sure it will be in the next release..whenever that might be....!

I've tried tethering the 5D mk3 with 4.2 release candidate and it doesn't work. Dissapointing.

Seriously?! The 5DMK3 still doesn't tether with 4.2? Super Super Sad Face..

We really need this. Please get us some update ASAP.

This Lack of Support SUCKS!  Nikon D4 works! CaptureOne runs the MKIII Aperture Runs the MKIII. Why still no love for the MKIII in RC 4.2? Does Adobe plan to lauch this as a key feature in the Final version of 4.2.

LR sees my camera but cant control itm grrrrrr.

And the SDK kit is broken  (see Post 18).

You know Adobe needs to give money to the camera manufactures so they can have access to a special SDK's that allows ADOBE to develop software that the manufacturers are not willing to develop themselves. The ability to tether in Lightroom with my 5dMKIII is just one of the features that I am missing out on. I have a cobbled workaround, but it is lame. Capture one can tether a 5d mkIII but they have some weird stipulations, for example they cannot bring a Raw M or Raw S file into the application. The Canon SDK for the new gen of Cameras is really a tough nut to crack, so it seems. Speaking to Julieanne Kost in person she say the tethering option is not available and she does not know when it will be available. She didn't give me specifics, she did say if more customers complain about not having the feature that the Lightroom team would make it a priority. So Here goes, Dear Lightroom Team Please get your stuff together and make tethering in Lightroom 4 a top Priority!

Date: Tue, 18 Sep 2012 09:06:50 -0600

From: forums@adobe.com

To: tomshue@hotmail.com

Subject: Re: canon 5d mark III  tethered to Lightroom 4 canon 5d mark III  tethered to Lightroom 4

    Re: canon 5d mark III  tethered to Lightroom 4

    created by ben anders in Photoshop Lightroom - View the full discussion

Any more news on this issue Adobe?? The SDK has been out for 4 months now...

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Surely the obligation to provide support for your camera functions is with the camera manufacturer. Adobe is providing anciliary services, which enhances your productivity and the value of the product you paid the camera manufacturer for. More pressure should be placed on the manafucturer of the product you purchased. Refuse to buy the product untill you can get the service of your choice i.e. Support from the processing software of your choice. Your camera manufacturer has to ensure this happens.

Just an opinion.

I believe some providers are prepared to "crack" the code, Adobe wants permission/instruction to do so.

Your camera manufacturer provides software for you to process raw files from their cameras and expect/prefer you to use their products. They do not appear to be co-operative in enhancing competition from third party products.

DdeGannes wrote:

 

Refuse to buy the product untill you can get the service of your choice i.e. Support from the processing software of your choice. Your camera manufacturer has to ensure this happens.

Just an opinion.

While I do agree with your opinion in theory ... I seriously doubt that we could ever force the camera makers to bend to our wishes through a boycott to "ensure" that third party software developers can provide support for "ancillary services" ... otherwise the good folks at Adobe wouldn't have to reinvent the wheel each and every time a new RAW file is introduced ... third party developers can and do find solutions that are not interdependent upon others ... it only takes some initiative and commitment ... otherwise how do you explain the success of other developers who have achieved this feature? All of the excuses, explanations and hand wringing that goes on here flies in the face of actual results ... in my opinion ... they hold no credibility as to a legitimate reason for the lack of support ... the proof is in the pudding.

As I have said in another thread ... we aren't talking about something that is so difficult or intricate as sending a manned spacecraft to Mars ... we're only discussing the simple transmission of image files via a USB cable to a computer hard drive so the processing software can access the image file ... it can't be as difficult or impossible to offer because other developers have accomplished the task ... some did so months ago ...

DdeGannes wrote:

 

"I believe some providers are prepared to "crack" the code, Adobe wants permission/instruction to do so"

I'll buy that reasoning ... if you can share proof positive that Adobe waits until they have "permission and instruction" for each new CR2 or NEF file that comes out ... or do they go to work on their own as soon as they have the camera in-hand ...

According to this article, LR now supports 5d mk3 tethering.  Seems like this is a very new development, according to the dates of the comments on this thread.  Am I correct that this update just happened in the last week or two?

http://helpx.adobe.com/lightroom/kb/tethered-camera-support-lightroom- 4.html