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Respected Contributor
Posts: 1,861
Registered: ‎12-02-2012

Re: 5D3 + AF assist beam = slower focus

[ Edited ]
15. Eliminates competition from 3rd party battery makers by cutting communication between non-Canon batteries and the camera's battery meter. Please be good to the environment and take your non-Canon batteries to a battery disposal facility and do not put them in with your residential trash collection.
Scott

Canon 5d mk 4, Canon 6D, EF 70-200mm L f/2.8 IS mk2; EF 16-35 f/2.8 L mk. III; Sigma 35mm f/1.4 "Art" EF 100mm f/2.8L Macro; EF 85mm f/1.8; EF 1.4x extender mk. 3; EF 24-105 f/4 L; EF-S 17-55mm f/2.8 IS; 3x Phottix Mitros+ speedlites

Why do so many people say "FER-tographer"? Do they take "fertographs"?
Frequent Contributor
Posts: 49
Registered: ‎11-28-2012

Re: 5D3 + AF assist beam = slower focus

Anyone install this update yet? Really want to know how the flash beam focus works now

Moderator
Posts: 588
Registered: ‎11-20-2012

Re: 5D3 + AF assist beam = slower focus

Hi everyone,

Just to be clear, the firmware update does include an improvement to the AF speed when using the Speedlite’s AF-assist beam.  You can see the complete list of improvements and fixes in our product advisory by clicking here

Thank you Carerra911 for clarifying!

Occasional Contributor
Posts: 22
Registered: ‎11-29-2012

Re: 5D3 + AF assist beam = slower focus

Excellent;  thank-you Crista.  would you be at liberty to clarify the battery issue that appears to have been introduced with this revision?

Super Contributor
Posts: 246
Registered: ‎11-11-2012

Re: 5D3 + AF assist beam = slower focus

Should we start a new thread on user results in the the EOS category or just continue here? There were mutiple threads on this at one time.  

New Contributor
Posts: 1
Registered: ‎04-30-2013

Re: 5D3 + AF assist beam = slower focus

I have that issue with the 600 ex rt i rented. slight lag from the auto focus lock to the shutter release. but i havent had major issues with af while using a custom bracket. sometimes the flash and the camera arent aligned properly with eachother so i slightly shift the camera to align it with the af beam. i really wish canon would update their oc3 cord with a built in af beam like the nikons do. nikons imo have always outperformed canon in lowlight. 

Occasional Contributor
Posts: 6
Registered: ‎12-11-2012

Re: 5D3 + AF assist beam = slower focus

Just installed the 1.2.1 firmware update in my 5D3 and it does seem to focus more quickly in low light with the IR assist.  I have a gig tomorrow and will be able to confirm after that.  

 

I would REALLY like to know when this will be fixed on the 1DX.  It's just as bad as the 5D3!

Super Contributor
Posts: 246
Registered: ‎11-11-2012

Re: 5D3 + AF assist beam = slower focus

Keep us updated.

Super Contributor
Posts: 246
Registered: ‎11-11-2012

Re: 5D3 + AF assist beam = slower focus

There is a pro wedding photographer at the POTN forums who is going to give the 5D3 a try this weekend. He has been shooting in AI Servo was a work around but prefers One Shot when Servo is not required. I'll update his findings as well.   

Occasional Contributor
Posts: 15
Registered: ‎12-24-2012

Re: 5D3 + AF assist beam = slower focus

okay for us Brits:

 

http://www.canon.co.uk/Support/Consumer_Products/products/cameras/Digital_SLR/EOS_5D_Mark_III.aspx?f...

 

 

Have still to test out the update but all went easy yesterday

EOS 5D MKIII + EF 24-105mm f/4L IS USM, Sigma DG 150-500 5-6.3 APO HSM, , EF 55-200mm 4.5-5.6 USM, Speedlite 430EXII

EOS 350D, EFS 18-55mm
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