11-24-2023 06:11 AM
Hello,
I just would like to report the total incompatibility between Irix 15mm and the new R6 mark 2. I hope for a firmware update on Canon side but if ever somebody has a temporary fix, that would be great.
In the end we would just need to be able to set up the aperture at 8 or 11 and that would be it... Maybe with a small trick on the connectors ??
Solved! Go to Solution.
03-11-2024 07:22 AM
To the Moderators. This thread should be marked solved. The OP was advised to contact the lens manufacturer for a firmware update. OP did and problem was solved.
11-24-2023 06:38 AM
@Iphosia wrote:Hello,
I just would like to report the total incompatibility between Irix 15mm and the new R6 mark 2. I hope for a firmware update on Canon side but if ever somebody has a temporary fix, that would be great.
In the end we would just need to be able to set up the aperture at 8 or 11 and that would be it... Maybe with a small trick on the connectors ??
I’m sorry to hear that you are experiencing issues with your camera gear. Have you tried to contact the manufacturer, Irix.
In order to better understand your issue, we would need to know the full and complete model number of the lens that you are using. Help someone to help you. Tell us exactly what the issues are and how to reproduce them. If your Irix lens has an EF mount, tells what brand of EF-RF mount adapter you are using.
Many forum members have reported incompatibility issues between Canon gear and gear made by a third party manufacturer. The Irix brand has been reported numerous times.
One unpopular fact for people in your position is that Canon is not responsible for supporting gear designed and manufactured by third parties. Have you tried to contact Irix about your issues?
It was quite some time ago, perhaps two years, that Canon enforced the copyrights on the intellectual property colloquially known as the “RF mount.” Canon issued a cease and desist order to third party manufacturers that were producing and selling gear that was not fully compatible with the RF mount.
This order specifically included lenses and mount adapters. You need to know that Irix was among the companies targeted by that order. All Irix gear designed for the RF mount should have been pulled off shelves a long time ago, perhaps two years or more.
11-24-2023 10:57 AM
" I hope for a firmware update on Canon side ..."
That's not gonna happen.
12-02-2023 02:39 PM
Irix 15mm 2,4 firefly from 7years ago. EF mount, not RF.
I am really disappointed to face that situation with a lens that has no equivalent in canon range and that is so basic (not even AF).
since it is compatible with the r6… I dare believe this is a mistake.
12-02-2023 02:40 PM
Well, if that doesn’t happen, my buying a next canon camera neither. No use to stay faithful to the brand if they behave like this.
12-02-2023 04:58 PM
@Iphosia wrote:Irix 15mm 2,4 firefly from 7years ago. EF mount, not RF.
I am really disappointed to face that situation with a lens that has no equivalent in canon range and that is so basic (not even AF).
since it is compatible with the r6… I dare believe this is a mistake.
Do you own the R6, too? It works just fine with your R6? You have failed to state what the exact issue or problem you are experiencing.
Most other lens brands made for the EF mount do not experience any issues when used with a Canon adopter on an RF body. My Sigma lenses work just fine on my. R6 Mark II.
You have a lens problem, whatever that problem might be. Again. Have you tried to contact Irix about your issues? Have they released a firmware update?
12-03-2023 04:24 AM
It's not Canon's responsibility to make Irix lenses work -- it's Irix's. If the firmware isn't compatible, it's because the Irix lens doesn't implement the EF communication protocol correctly. You should be pestering Irix for a firmware fix, not Canon.
Change camera brands if you like, but there's no reason the same issue wouldn't apply to every other camera brand. Third-party lens manufacturers are reverse-engineering the cameras' protocols, and if they screw it up, their lenses have issues. This is not the camera manufacturer's fault, regardless of what brand of camera you're using.
12-03-2023 09:47 AM
@Iphosia wrote:Well, if that doesn’t happen, my buying a next canon camera neither. No use to stay faithful to the brand if they behave like this.
You have yet to describe the issue or problem that you are having with the lens!
I can understand your disappointment. Canon did not design and build the Irix lenses. Irix made the claim to be compatible with the EF mount, not Canon.
You need to contact Irix about the issue, but i suspect I know what they will say. “The lens is designed for the EF mount, not the RF mount.”
Other brands do not have compatibility issues when adapted to the RF mount. I am uncertain if Irix can update the lens firmware even if they wanted to. Canon has prohibited third party lens manufacturers from producing and releasing products that communicate with RF mount camera bodies.
12-03-2023 10:38 AM
Canon entertains licensing of the RF-mount to third parties. However, it doesn't just issue a blanket license for off brand manufacturers for a RF compatible mount. Canon reviews third-party lens licensing request one at a time and individually. I suspect we will see lenses from Sigma and Tamron soon.
12-03-2023 11:00 AM
@Iphosia wrote:Hello,
I just would like to report the total incompatibility between Irix 15mm and the new R6 mark 2. I hope for a firmware update on Canon side but if ever somebody has a temporary fix, that would be great.
In the end we would just need to be able to set up the aperture at 8 or 11 and that would be it... Maybe with a small trick on the connectors ??
Irix has already reported that their lenses are not compatible with the R3, R7 and R10, so it is likely they just haven't updated their list for the latest R body.
02/20/2025: New firmware updates are available.
RF70-200mm F2.8 L IS USM Z - Version 1.0.6
RF24-105mm F2.8 L IS USM Z - Version 1.0.9
RF100-300mm F2.8 L IS USM - Version 1.0.8
RF50mm F1.4 L VCM - Version 1.0.2
RF24mm F1.4 L VCM - Version 1.0.3
01/27/2025: New firmware updates are available.
12/18/2024: New firmware updates are available.
EOS C300 Mark III - Version 1..0.9.1
EOS C500 Mark II - Version 1.1.3.1
12/05/2024: New firmware updates are available.
EOS R5 Mark II - Version 1.0.2
09/26/2024: New firmware updates are available.
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