BMPCC 4K Vs Viltrox EF-M1,M2 Firmware 3.4

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Michael_Andreas

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BMPCC 4K Vs Viltrox EF-M1,M2 Firmware 3.4

PostFri Jan 10, 2020 8:40 pm

I bought a Viltrox EF-M1 lens adapter (without speed booster glass) so I could use a Canon EF-S lens with my BMPCC 4K. When I tried it out with my BMPCC 4K with latest camera firmware, it would perform an auto-focus on power-up of the camera body but not after.

So I went to the Viltrox website, downloaded the latest firmware 3.4, and installed it in the lens adapter. Not only did this NOT fix the auto-focus issue, but it broke the iris control which was working.

I then downloaded and installed Viltrox firmware 3.3, and got back control of the iris. I see in the firmware notes that version 3.3 was to address iris control with the BMPCC 4K and that this firmware applies to the EF-M2 also.
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DR Studio 16.1.2.026, Win10Pro 1909/18363.535 - i7-6700K@4GHz, 32GB RAM
RTX 2070 8GB, "Studio" driver 442.19 2/3, prev: 441.66, 431.86
OS,Library: 1TB SSD - Project: 1TB SSD - Cache: 1TB NVMe
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Rrrbbb

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Re: BMPCC 4K Vs Viltrox EF-M1,M2 Firmware 3.4

PostSat Jan 11, 2020 10:58 pm

I got mine today. After a lot of experimenting I went back to version 2.3 which gives iris control and IS.

The update/downgrade would not work from my Mac though, had to to borrow a pc.
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Michael_Andreas

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Re: BMPCC 4K Vs Viltrox EF-M1,M2 Firmware 3.4

PostSun Jan 12, 2020 5:06 am

Do you also have the Pocket 4K? If so, does your Pocket 4K have the latest firmware for it?
_________________________________________________
DR Studio 16.1.2.026, Win10Pro 1909/18363.535 - i7-6700K@4GHz, 32GB RAM
RTX 2070 8GB, "Studio" driver 442.19 2/3, prev: 441.66, 431.86
OS,Library: 1TB SSD - Project: 1TB SSD - Cache: 1TB NVMe
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Rrrbbb

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Re: BMPCC 4K Vs Viltrox EF-M1,M2 Firmware 3.4

PostSun Jan 12, 2020 9:19 pm

Michael_Andreas wrote:Do you also have the Pocket 4K? If so, does your Pocket 4K have the latest firmware for it?


Yes and yes.

Both versions of the Viltrox are on 2.3 and all functions (I don’t use autofocus) work perfectly.
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Michael_Andreas

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Re: BMPCC 4K Vs Viltrox EF-M1,M2 Firmware 3.4

PostSun Jan 12, 2020 9:27 pm

So iris at least was working in Viltrox firmware 2.3, then was broken, then fixed in 3.3 and then broken in 3.4.

This is more evidence for my belief that Viltrox does not have good software controls and does not perform regression testing.
_________________________________________________
DR Studio 16.1.2.026, Win10Pro 1909/18363.535 - i7-6700K@4GHz, 32GB RAM
RTX 2070 8GB, "Studio" driver 442.19 2/3, prev: 441.66, 431.86
OS,Library: 1TB SSD - Project: 1TB SSD - Cache: 1TB NVMe
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Rrrbbb

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Re: BMPCC 4K Vs Viltrox EF-M1,M2 Firmware 3.4

PostMon Jan 13, 2020 6:22 pm

Sounds accurate. Although I’ve never had a problem with either of mine on any of the pockets firmware. Just stick to 2.3...

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