FS7: FS7 + Metabones IV or Metabones Ultra EF + Firmware Updates

No.

But I think a simple firmware update won't do the job either.
When you attach native E-Mount lenses to the FS7, the iris
dial is just the same...
We need to wait for an FS7 update!
 
JPNola said:
I am rapidly concluding that short of a manual adapter like the one for Nikons there is NO system that is going to offer smooth, incremental iris changes on EF or Sony glass that are to my satisfaction. It appears that electronic iris control will always be steppy and lacking a feathery ability. ( j/k)
Click to expand...

On the Sony community discussion forum for the FS7 Juan Martinez said ( referring to the slow iris dial) : "The root is that E Mount lenses can change iris aperture in hundreds of a stop. Thus the slow sensitivity. We will definitely increased iris response by firmware update. Our plan is to bring it to FS700 level and later add acceleration."
This was fascinating to me as it may mean that e mount lenses will be able to give you a virtually smooth iris change - if that still works with a faster dial that is.
 
Just tried a Metabones Mark III EF > Emt with my only EF lens, 17-55 f2.8.
No flash frames in either green mode or advanced. slow dial in advanced, but oddly in green mode the iris dial moved much quicker. Not bad really.
 
Same here.
The 17-55/2,8 even works in green mode, where you have a better iris dial response.
This is the reason why I will work with this lens for the next weeks...
 
Is this the only lens showing that response ?
can anyone explain why different Canon lenses respond so different to these adapters?
 
Nobody can at this point.

It's more complicated than we thought before.
I never had any issues on my FS100 where I used:
- Canon 24-105/4
- Canon 24-70/2,8 I+II
- Canon 70/200/2,8L IS
- Canon 70-200/4L IS
and many, many more.

Now, most of these lenses respond very slow.
At the end of the day they are still usable for me, but
nevertheless an issue.
 
Interesting Metabones experience. I met with a local LA DP who just got the FS7. I brought my Metabones II and Speed Booster (both first generation firmware as I got both within of few days of their release).

The FS7 owner had the Metabones Ultra, which had white flashes when turning the iris, but the iris wheel changed aperture quickly.

Both my Metabones are so old they are just in default Green Mode because I'm too lazy to switch it. On the Canon 24-105 f4, both worked flawlessly - no flashes, the iris wheel was very responsive, as fast as my FS700 anyways.

Then I switched to advanced mode on my Metabones and iris wheel turned very, very slowly and barely worked. Switched back to default Green Mode and everything worked perfect.

I think at this point, Green Mode might work better. Advance mode is nice because you get the focal distance and 1/8 iris increments, but I've become so used to the 1/3 iris increments it doesn't really bother me at all.
 
What's the latest with the Speedbooster Ultra?

I kinda need one (my otherwise great Lens Turbo II won't fit the FS7) and will buy if the issues can be resolved via firmware etc without having to send to to China for repair down the line.
 
The Speed Booster Ultra is user serviceable - you just plug in a mini-USB cable.

Some EF lenses work OK, some are very slow. Some flash, some don't. Some have a mind of their own... The worst lenses I've tried are the 50mm f/1.2, 85mm f/1.2, 24-70mm f/2.8. That said, the pictures are fantastic.
 
Lenilenapi said:
Just tried a Metabones Mark III EF > Emt with my only EF lens, 17-55 f2.8.
No flash frames in either green mode or advanced. slow dial in advanced, but oddly in green mode the iris dial moved much quicker. Not bad really.
Click to expand...

That is good news for someone looking at glass options. The EF 17-55 f/2.8 is working.
 
Thanks Liam. A shame I can't get something of equal quality without the electronics (I don't have any AF lenses) but I guess I just need to bite the bullet. Dammit.
 
I tried the MarkIII with a few more lenses today but didn't have too much time - will test more later.
So far it worked fine with EF 70-200 (I) , 24-70 , 16-35 & 17-55) contrary to my earlier post ( need to test again) it worked fine in green and advanced mode. Green - the iris dial moved faster but in 1/3 stop increments. Advanced - it was slow but smoother in 1/6 stop increments. ( I might have that reversed btw.)

Interesting take on the slow dial
 
So I just received my new Metabones Speedbooster ultra and tried it with two manual lenses where it exhibited exactly the same problem, one I have never heard of and don't really understand how it can be happening.

Lenses tried were Contax Zeiss 28mm f2 'Hollywood' and Contax Zeiss 28-85 f3.3. Both with Leitax EF mounts. One has a declicked iris and one does but exposure remains exactly the same regardless of where the iris is set. Obviously these are all manual lenses so I am very confused as to how/why this is happening. Here's a video of the issue on the 28mm f2 as I go from f2 to f22 and back and the exposure remains identical.

Password: bones


Any help on this greatly appreciated.

EDIT: Just to add to this I tested it with the only canon lens in my house - ther nifty 50 1.8 and the iris control works so the adapter's not shorted or anything.
 
Last edited:
Ben Scott said:
So I just received my new Metabones Speedbooster ultra and tried it with two manual lenses where it exhibited exactly the same problem, one I have never heard of and don't really understand how it can be happening.

Lenses tried were Contax Zeiss 28mm f2 'Hollywood' and Contax Zeiss 28-85 f3.3. Both with Leitax EF mounts. One has a declicked iris and one does but exposure remains exactly the same regardless of where the iris is set. Obviously these are all manual lenses so I am very confused as to how/why this is happening. Here's a video of the issue on the 28mm f2 as I go from f2 to f22 and back and the exposure remains identical.

Password: bones


Any help on this greatly appreciated.

EDIT: Just to add to this I tested it with the only canon lens in my house - ther nifty 50 1.8 and the iris control works so the adapter's not shorted or anything.
Click to expand...

WTF :)

That is just so weird on manual glass?

No kind of auto exposure going on is there Ben. This is very strange.

Surinder.
 
Yeah, I think I've actually managed to bend the laws of physics with my adapter. And I've only had one coffee so far today. My brain hurts.
 
Right... Culprit found. None of my other adapters do this. including the £10 dumb ones, the Viltron/KAAVIE that has its own quirks, the Lens Turbo 2 on my A7s and the Commlite which I received a day or two ago...

But the Metabones for some reason is physically engaging the aperture control pin on the back of the Contax lenses. All of them.

This turns the MB Ultra into a £510 paperweight for me. So annoyed that this is a thing and it being a physical obstruction means that unless I want to start destroying several thousand pounds worth of glass this needs to be returned and forgotten about. Grrr.
 
Ben,
I had this problem with a Zeiss CP.2 85mm prime. It has an external f-stop ring, so, taping off the contacts was a trivial modification that solved the problem of shorting the electrical contacts on the metabones adapter.
 
None of my Leitax mounts have AF confirm chips so there's no contacts. It appears that the issue is that mounting one of the lenses on the mount actually engages the aperture control pin stopping mechanical operation of the iris

the bit sticking out here

z9ZMYHFl.jpg


I have tried about 6-7 other e-mount adapters and dozens of other adapters and never once had this as an issue.
 
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