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Shedding some mild on CFexpress firmware and digital camera compatibility | Canon Rumors

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Yesterday I reported on compatibility points with the Canon EOS R5 running firmware v1.4.0 and Exascend CFexpress memory cards.

After speaking to some individuals, I’ve come to considerably of a conclusion that there’ll possible be some bumps alongside the best way in the case of CFexpress firmware and digital camera firmware. Exascend is just not the primary firm that has had some compatibility points with the Canon EOS R5 and CFexpress playing cards.

I spoke with “Tig” from Camnostic this morning concerning the points which have provide you with CFexpress and compatibility. Be sure you test that website out for nice info on CFexpress playing cards and extra.

What it seems to boil right down to is that CFexpress is a comparatively new commonplace, and there are going to be some conflicts with reminiscence card producers’ and digital camera producers’ interpretation of the usual. I do know of points which have arisen with different producers as effectively.


Angelbird, an awesome producer of CFexpress playing cards had a problem with the EOS R5 some time in the past that delayed the digital camera 4 seconds on startup earlier than the cardboard was initialized. This challenge was corrected by a firmware replace device from Angelbird that anybody may obtain and use. It’s my understanding that Angelbird constructed within the skill for any such replace of their firmware. Angelbird and Canon additionally labored collectively to get the problem corrected as Angelbird launched these reminiscence playing cards previous to the provision of the Canon EOS R5.


Delkin had a problem as effectively, however customers needed to ship their reminiscence playing cards again to them to get the wanted replace for compatibility.


Now to Exascend and the problem that I reported yesterday, I’ve been instructed that Canon and Exascend carried out the CFexpress commonplace a bit otherwise when it got here to VPG400 inflicting the problem.

We began investigating reviews that Canon’s newest firmware for the EOS R5 might trigger points with our Important sequence of CFexpress playing cards final week. Our engineering crew shortly found that Canon EOS R5’s 1.4.0 firmware adjustments the best way CFexpress playing cards are handled by the digital camera system.

With the newest EOS R5’s 1.4.0 firmware, our Important CFexpress playing cards enter a distinct working mode than in earlier variations of Canon’s firmware. This causes a compatibility challenge primarily based on completely different interpretations of the VPG400 specification and is unrelated to card efficiency.

To assist this new working mode, a CFexpress card firmware improve is required.

As of earlier this week, we’ve already made the required adjustments to assist Canon EOS R5 with firmware model 1.4.0 (and above) in our newest CFexpress firmware, that means that every one our new CFexpress playing cards are suitable with the brand new 1.4.0 firmware. Nonetheless, because of the method that CFexpress card firmware upgrades work, we have to manually replace the firmware for Canon EOS R5 customers with Exascend Important CFexpress playing cards bought earlier than we began pushing this improve to new playing cards.

How is Exascend fixing this challenge for patrons?

Product high quality and buyer satisfaction are the cornerstones of our enterprise. Due to this fact, we are going to ship model new substitute CFexpress playing cards upgraded to the newest firmware to any consumer with legitimate proof of buy. This ensures that our prospects can proceed utilizing their Canon EOS R5 system with Exascend storage as quickly as attainable.

We additionally don’t need prospects’ authentic playing cards to go to waste, so prospects may ship their authentic playing cards to us for a free firmware improve. To make clear, that signifies that prospects who return their authentic playing cards to us will quickly have an additional Exascend CFexpress card to spare along with their new substitute card.

We wish to apologize once more to all our card customers who had been impacted by points with the Canon EOS R5 firmware replace, and going ahead, we are going to work extra carefully with digital camera distributors to make sure future card compatibility.

You learn that proper, Exascend gives you two equal playing cards in your troubles. A brand new card is shipped out ASAP so you will get again to capturing. You’ll then ship in your incompatible card to Exascend and they’ll replace the firmware on the cardboard and ship it again to you.

This degree of customer support is nice in my view.

Now to Canon

I discovered about this challenge on the Canon Rumors Discord from an EOS R5 consumer that up to date to firmware v.1.4.0 and hit the snag. Fortunately he didn’t have an necessary shoot to try this day, as this might have value him extra money to get a brand new card, or he would have needed to trip with SD playing cards, which isn’t superb in some conditions.

Why can’t we roll again firmware one model when these points come up? Is there a technical motive? Is there a perception that everybody must be working the newest firmware? This actually wouldn’t be the case, as a number of individuals will persist with firmware that works for them.

There are all the time going to be bumps within the street in the case of new requirements and merchandise, corporations are racing to fulfill deadlines and get their merchandise to market. That is simply the character of many know-how companies.

Thanks once more to Exascend for clarifying issues for me, and I apologize for leaping to an ignorant conclusion.

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