Home · Register · Join Upload & Sell

Moderated by: Fred Miranda
Username  

  New fredmiranda.com Mobile Site
  New Feature: SMS Notification alert
  New Feature: Buy & Sell Watchlist
  

FM Forums | Canon Forum | Join Upload & Sell

  

Archive 2015 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II

  
 
tanglefoot47
Offline
• • • • • •
Upload & Sell: Off
p.1 #1 · p.1 #1 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


Ok I just got the 1.4 today, so I put it on my 7D II and attached the 1-400 II and nothing. Then I get a message firmware did not update I need to install a memory card with the firmware. I am not adding firmware but that's the message I get and I don't get it. Take the TC off all is well!! any ideas what's going on?

Thanks
Mike



Apr 16, 2015 at 06:08 PM
jcolwell
Offline
• • • • • • •
Upload & Sell: On
p.1 #2 · p.1 #2 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


That seems a bit weird, Mike. I have an old Kenko 1.4x Teleplus Pro 300 DG that works fine on my 1DX and 6D (won't AF on the 6D). The EXIF data is even reported correctly by PS CS6,

"EF100-400mm f/4.5-5.6L IS II USM +1.4x S/N: 2300...... "

Maybe the newer Kenko TC is too smart for its own good.



Apr 16, 2015 at 06:30 PM
1nitro901
Offline
• •
Upload & Sell: Off
p.1 #3 · p.1 #3 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


I too tried my Kenko Pro 300 DGX 1.4 on my 7D II and it really does not play nice. I tried to MA my 400mm 5.6 with it and it basically locked up my camera, would not even attemp to focus even after power off/on. At one point my camera would not even turn on at all. The only way I could recover was to remove the TC and do a battery pull and all was fine. I think it did the same with my 70-200 2.8 is II.

Needless to say I won't be using it.




Apr 16, 2015 at 06:30 PM
tanglefoot47
Offline
• • • • • •
Upload & Sell: Off
p.1 #4 · p.1 #4 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


That is so weird it's going back maybe pick up an Canon 1.4x II

Thank you for the input



Apr 16, 2015 at 06:32 PM
riokid
Offline
• • • • •
Upload & Sell: On
p.1 #5 · p.1 #5 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


Mike,

There has been a few threads about this before: Kathy White's thread comes to mind.

I vaguely remember someone else suggested turning the AFMA off, but that did not work for me too.

I also encountered the same problem with a "Blue Dot" version. Just curious, aside from the "red index" dot, do you see another colored dot?

So for now: away from Tamron/Kenko



Apr 16, 2015 at 08:19 PM
tanglefoot47
Offline
• • • • • •
Upload & Sell: Off
p.1 #6 · p.1 #6 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


I am partially color blind but I am sure it's a yellow dot yup damn sure yellow. I am not messing with it and will go back to Canon. Would love to get a III but too much money



Apr 16, 2015 at 08:23 PM
Kathy White
Offline
• • • •
Upload & Sell: On
p.1 #7 · p.1 #7 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


No, mine wouldn't work with that combo either. There was a thread about it when the 100 400II and 7DII first came out.




https://www.fredmiranda.com/forum/topic/1336777/0#12752008

Edited on Apr 16, 2015 at 08:32 PM · View previous versions



Apr 16, 2015 at 08:25 PM
tanglefoot47
Offline
• • • • • •
Upload & Sell: Off
p.1 #8 · p.1 #8 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


Now I have to go through with sending it back what a pain but thanks again everyone


Apr 16, 2015 at 08:27 PM
riokid
Offline
• • • • •
Upload & Sell: On
p.1 #9 · p.1 #9 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


tanglefoot47 wrote:
I am partially color blind but I am sure it's a yellow dot yup damn sure yellow.


Mike,

I got a yellow dot too

IIRC: It worked with my 1d4 and a 400/5.6L. It was nice because I was able to use more than the center AF point.

BTW: If you get Canon's 1.4X III, you can only get the AF to work with the center point

dan




Apr 16, 2015 at 09:04 PM
Lotuselite
Offline
• •
Upload & Sell: Off
p.1 #10 · p.1 #10 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


I bought the Kenko MC4 1.4 DGX to use on my 70-300 L. It caused erratic shutter response. After a couple of frames it slowed down and only exposed half the frame.
A friends version seemed to work correctly ??

I replaced it with the Pro 300 DGX 1.4 version and it worked properly with the 70-300 L on my 5DIII.
Trying to use it with my 400 F/5.6 and 5DIII resulted in the camera locking up and having to pull the battery to restore function.
I can't tell you the colour dot at the moment as a friend has it and it seems to work for him on a 7D.

Obviously the lesson is to make sure you deal with someone who has a good return policy. In my case that was B & H and they were absolutely no hassle.




Apr 16, 2015 at 09:37 PM
architect7
Offline
• • •
Upload & Sell: On
p.1 #11 · p.1 #11 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


I just tested my new yellow dot Kenko 1.4x 300 Pro DGX with my Sigma 500mm f4.5 and all AF points work extremely well at f6.3 on my 1D4. I am going to test a regular DG TC in the next few days and also the matching Sigma TC. I also tried the Kenko 1.4x 300 Pro DGX on my 400mm f2.8 L II non-IS WITH 2x TC and AF works splendidly with my 1D4. 1120mm f8 w/decent AF, pretty darn cool


Apr 17, 2015 at 12:31 AM
mogul
Offline
• • • •
Upload & Sell: On
p.1 #12 · p.1 #12 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


Make sure you mount the TC in the proper order as per manual.


Apr 17, 2015 at 08:29 AM
scalesusa
Offline
• • • •
Upload & Sell: Off
p.1 #13 · p.1 #13 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


Starting with the 1D X and 5D MK III, the Kenko TC's seem to have issues with specific body-lens combinations. I've returned the red dot and the blue dot version. I'm not going for a newer one until I see people reporting that it works on the newer bodies.


Apr 17, 2015 at 09:04 PM
tanglefoot47
Offline
• • • • • •
Upload & Sell: Off
p.1 #14 · p.1 #14 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


mogul wrote:
Make sure you mount the TC in the proper order as per manual.


Proper order makes no difference




Apr 17, 2015 at 10:03 PM
chrisbwj99
Offline

Upload & Sell: Off
p.1 #15 · p.1 #15 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


For another point on the curve.

I was able to use the Kenko Pro 300 (1.4x) on a 7D Mk1 body with a Canon 100-400L Mk 1 and it worked most of the time. Burst frames were not consistent at all, but single shots were on more than they were off.

For what it's worth, I taped the pins on my Kenko.




Apr 19, 2015 at 03:45 PM
dalite
Offline
• • • • •
Upload & Sell: Off
p.1 #16 · p.1 #16 · Got a new Kenko 1.4x Pro 300 will not work with 7D & 1-400 II


Reading some of the above posts makes me feel glad I have the Tamron TC. Works with the 7D, although not center focus. Non-reporting too.


Apr 21, 2015 at 12:15 PM





FM Forums | Canon Forum | Join Upload & Sell

    
 

You are not logged in. Login or Register

Username       Or Reset password



This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.