Blackmagic Forum

Posted: **Sat Nov 10, 2012 1:48 am**

John Brawley wrote:Hm, well to be honest I'm not that familiar with the Canon genealogy. Does the MK1 have focus by wire ? I've used a 24-70, but it was not a focus by wire.

jb

hey, mate,

focusing works fine. what doesn't is the FF and RW buttons to control the Iris. right now, the only way to get it to work on the 24-70 2.8L and the 35 f/1.4 is to put the lens on a canon body, set the aperture, press and hold the DoF button, and pull the lens off.

Posted: **Sat Nov 10, 2012 2:34 am**

Wait... Is there auto focusing on the BMCC? I thought it didn't do any at all.

Posted: **Sat Nov 10, 2012 2:51 am**

Nick Bedford wrote:Wait... Is there auto focusing on the BMCC? I thought it didn't do any at all.

I believe he means "focusing being fine" as in the manual focus works. Some EF lenses use electronics to control the manual focusing ring, so it might not work on the BMCC. All mechanically focusing lenses should be fine.

Posted: **Sat Nov 10, 2012 2:55 am**

cschmeer wrote:
Nick Bedford wrote:Wait... Is there auto focusing on the BMCC? I thought it didn't do any at all.

I believe he means "focusing being fine" as in the manual focus works. Some EF lenses use electronics to control the manual focusing ring, so it might not work on the BMCC. All mechanically focusing lenses should be fine.

Ahh yeah that makes sense. USM in particular do that.

Posted: **Sat Nov 10, 2012 3:05 am**

Am I confused again? Does USM mean electronic focus? If so, then why does the 50mm 1.4 work and the 28mm 1.8 doesn't?

Posted: **Sat Nov 10, 2012 3:18 am**

mhood wrote:Am I confused again? Does USM mean electronic focus? If so, then why does the 50mm 1.4 work and the 28mm 1.8 doesn't?

no - USM is ultrasonic motor. the older motors were fairly 'loud' and slow compared to the USM motors.

and yes i meant in my previous post that you can focus the 24-70 manually, just not control the iris setting. i ditched my 85 1.2 ages ago in favour of the zeiss so i can't test it, but enough people have confirmed it can't focus manually.

Posted: **Sat Nov 10, 2012 3:21 am**

Dave Chin wrote:right now, the only way to get it to work on the 24-70 2.8L and the 35 f/1.4 is to put the lens on a canon body, set the aperture, press and hold the DoF button, and pull the lens off.

seems easy...oh wait...I sold my Canon kit for this Cinema Camera...now I have no Canon and no Blackmagic. I am left to film using a potato...

Posted: **Sat Nov 10, 2012 3:22 am**

So there are two issues then.

Focus by wire lenses that definitely don't won't work with the BMCC (and I've seen this) and then some additional lenses are being reported that don't seem to enable IRIS CONTROL....which I haven't seen but has been reported by others.

jb

Posted: **Sat Nov 10, 2012 3:48 am**

I just ordered my BMCC planning to use currently my EF 35 f/1.4 L as the most current one with the camera, and I know discover this topic.

Can we hope an official statment from BMD that this problem can/will be solved by firmware update ?

Same question goes for 85 f/1.2 L mkII.

Thank you

Jean-David

Posted: **Sat Nov 10, 2012 5:30 am**

The 85/1.2 is the only lens i have that i HAVE to switch to manual mode on 5dmk3/mk2 to focus when shooting video as leaving it on auto and turning the focus ring does nothing, so i'm not surprised it's one of the lenses having issues on the BMCC. Most other lenses have full time manual focus control. But that chart i linked to provides the info on which ones.

Posted: **Sat Nov 10, 2012 6:33 am**

Jason Davis wrote:
Dave Chin wrote:right now, the only way to get it to work on the 24-70 2.8L and the 35 f/1.4 is to put the lens on a canon body, set the aperture, press and hold the DoF button, and pull the lens off.

seems easy...oh wait...I sold my Canon kit for this Cinema Camera...now I have no Canon and no Blackmagic. I am left to film using a potato...

Mrs. Potato Head's Other Eye:

Posted: **Sat Nov 10, 2012 6:07 pm**

Anyone know if the Sigma 4,5mm work/cover the sensor? It's a fish-eye but it will be used UW so that's OK.

Posted: **Sun Nov 11, 2012 11:04 am**

Gotta change the 16-35 F2.8L to a kinda works. When it works, it works great. But after shooting today, it maybe works half the time at start up, normally comes good after 5-10 mins of the camera being powered. Strange issue.

Posted: **Sun Nov 11, 2012 11:48 am**

Interesting, because i thought it was strange that one seemed okay because when checking the canon chart i thought it would have problems. John, could you also double check the 17-85/4-5.6 IS as well? You've said it's okay but i think this one could have issues too. Thanks!

Posted: **Sun Nov 11, 2012 11:55 am**

Yeah, I'll recheck that one when I get home, but it worked straight away the fews times I've used it. My 70-200 works all the time as well. The 16-35 does work, some times. It's most frustrating because you're never sure if it's going to work this time or not.

Thankfully my main lenses are the Rokinon cine's and are fully manual, but it's still annoying.

Posted: **Sun Nov 11, 2012 12:07 pm**

Hmmm.. perhaps that chart is not the best to go off according to this quote.. (best to have users with a BMCC to confirm anyway). Thanks John!

the chart should not be trusted, although it appears that it has been updated. It has several/many errors of omission for FTM (Full-Time-Manual focus) and distance data for ETTL-II. We've tried to get Canon to make corrections, but to no avail. The people who read the email don't seem to know the people who are responsible for the chart. I may try again with a friend who works for Canon.

To reiterate, lenses with Ring USM incorporate FTM and distance data, essentially all other lenses without Ring-USM focus motors also lack FTM and lack distance data, with one notable exception - the 50/1.4 is special, it's the only micro-USM (not Ring-USM) lens with FTM, it doesn't have distance data.

Posted: **Sun Nov 11, 2012 12:23 pm**

Later this week when I visit my Dad and his lens collection, I'll also test the

Sigma 50mm F1.4
Canon 300mm F4L
Canon 400mm F5.6L
Canon MP-E 65mm F2.8
Canon TS-17 F4L

Posted: **Sun Nov 11, 2012 1:00 pm**

jasonxinzhou wrote:Marco Solorio of OneRiver Media posted at his blog as follow:

Unfortunately at this time (Cinema Camera version 1.1), not all Canon lenses work with the EF model. I have quite a large collection of Canon L lenses and all but two work with the Cinema Camera, which includes the 85mm f/1.2L (probably Canon’s sharpest lens they’ve ever made) and the 35mm f/1.4L. Because the 85mm focuses electronically (I’ve always hated that feature, even on my Canon DSLRs), it requires a protocol that BMD hasn’t figured out yet (I’m assuming Canon isn’t going to just hand that kind of information out). So with the 85mm, there’s no focus, and no aperture control at this time. With the 35mm, no aperture control at this time (but focus works fine).

Will BMD address this issue regarding compatibility?

this refers to the 85 1.2 II or I?
but you can always use the trick with the aperture lock on Canon (lens) cameras just set the aperture in AV or M mode, push the button for the depth of field near the lens and remove the lens, it will remain set aperture ....., focus what for you need?

Posted: **Sun Nov 11, 2012 2:05 pm**

My lens bag includes:
Rokinon 14mm T3.1 (EF mount)
Sigma 30mm F1.4 (EF mount)
Canon EF 17-40 F4 L
Canon EF 50 F1.8 mk1
Canon EF 20-35 F3.5-4.5
then the Canon EF-S 18-135 "Kit" lens (came with the 60D) I don't plan to use this lens unless I need the length

hopefully these will all work in the BMCC.. (I'm pretty sure the Rokinon will since it's a manual lens.)

Posted: **Sun Nov 11, 2012 4:22 pm**

Hello,

Can anyone confirm the issue with the 24-70/2.8L V1 (v1 aperture not working - source - Dave Chin).
Unfortunately I have planned to use that lens.

Thanks.

Cheers

Posted: **Mon Nov 12, 2012 1:35 am**

John Waldorff wrote:Can anyone confirm the issue with the 24-70/2.8L V1 (v1 aperture not working - source - Dave Chin).
Unfortunately I have planned to use that lens.

Yes, I'm also having issues with this lens. Can't get apature control to work on it at all.

Posted: **Tue Nov 13, 2012 3:23 pm**

I've just done some testing with these lenses.

Sigma 50mm F1.4
Canon 300mm F4L
Canon 400mm F5.6L
Canon MP-E 65mm F2.8
Canon TS-17 F4L

All work properly. That MP-E 65mm is a crazy macro lens though, you focus by moving the camera forward or backwards, beautiful for macro stuff though.

Posted: **Tue Nov 13, 2012 8:54 pm**

Thanks John.

Posted: **Wed Nov 14, 2012 1:59 pm**

Ok I can Confirm that the Canon 17-40L and Canon 24-70L do not have aperture control also the Tamron 17-50 is has aperture control but the IS does not work.

I called tech support and he told me they did not have a camera yet.. only the cali division... He stated these compatibility issues should be solved will be solved with firmware.. When? who knows.

Posted: **Mon Nov 19, 2012 6:25 pm**

I just noticed a Canon EF-S 18-55mm f/3.5-5.6 IS, but I see no mention on these post. is that not a lens to use? there is also a Sigma 18-50 f/2.4? both of these on the B&H web site.

Posted: **Tue Nov 20, 2012 9:12 am**

I've noticed no one has mentioned if the Zeiss ZE's have any issues with IRIS control. Can anyone confirm this? I plan to use Zeiss ZE's on my next shoot with the BMCC. 21mm 50mm and 85mm...

Posted: **Wed Nov 21, 2012 9:58 am**

BMCC official specs don't mention non-compatible lenses.
That would be glad if you get an official statment from Black Magic with a lens compatibility chart, and also if we can hope an evolution with a future firmware update.
Thanks
Jean-David

Posted: **Wed Nov 21, 2012 11:15 am**

I would guess the Canon EF 40mm f/2.8 STM and the Canon EF-M 22mm f/2 STM (both pancakes) won't work as they use a Stepping Motor for focusing. Can anyone confrim this?

Might be worth adding these to the list.

Shame as they'd make ideal primes for shooting low profile - 'cheap as chips' too!

Posted: **Mon Dec 03, 2012 9:05 am**

Dave Chin wrote:the 24-70 (mk1) also has the same issue.
the 50 f/1.2 and the 135 f/2 have no iris control problems, as with all of my zeiss

[/quote]

Well, today I had a 24-70MK1 on the EF BMCC I have and it was working fine. I had full aperture control no problem.

Have we got any other sources about this lens ?

jb

Posted: **Mon Dec 03, 2012 7:53 pm**

Hey John, top of the page we're on John MacFadyen says no aperture control for 24-70V1 also

Link for convenience:

viewtopic.php?f=2&t=2472&view=unread#p14990

I'm sure i read a 3rd source say the same thing, can't remember where now though (maybe on BMCuser ?).

Posted: **Mon Dec 03, 2012 8:37 pm**

CaptainHook wrote:Hey John, top of the page we're on John MacFadyen says no aperture control for 24-70V1 also

Link for convenience:

viewtopic.php?f=2&t=2472&view=unread#p14990

I'm sure i read a 3rd source say the same thing, can't remember where now though (maybe on BMCuser ?).

Well there must be something more complex going on than works / doesn't work.

JB.

Posted: **Tue Dec 04, 2012 1:21 am**

I was wondering if the other guys weren't running the most up to date firmware?? But you used the 24-70 early on didn't you, so must be something else.

Posted: **Tue Dec 04, 2012 1:33 am**

CaptainHook wrote:I was wondering if the other guys weren't running the most up to date firmware?? But you used the 24-70 early on didn't you, so must be something else.

Actually my fault. It was the 28-70 not the 24-70. I'm not that familiar with the EF lenses and didn't realize it was different.

JB.

Posted: **Tue Dec 04, 2012 1:44 am**

Okay, thanks for clearing that up.

Posted: **Tue Dec 18, 2012 7:31 am**

Also tested the Canon EF 40mm f/2.8 STM Pancake lens. Works a treat.

Posted: **Wed Dec 19, 2012 5:45 am**

Thanks, Marco has reported the 35/1.4L to be working now with 1.2 beta firmware also.

Posted: **Sun Dec 30, 2012 10:35 am**

Retested a couple of lenses with the 1.2 Beta.

So far. 16-35mm f2.8 still has intermittent issues, but I can get it working more often than I could before.
24-70mm f2.8 mk1 still not working.

Posted: **Sun Dec 30, 2012 10:44 am**

I wonder if anyone have tested 24-70mm f2.8 mk2 ?

Posted: **Sun Dec 30, 2012 5:47 pm**

Margus Voll wrote:I wonder if anyone have tested 24-70mm f2.8 mk2 ?

If I am not mistaken the mk2 works. The mk1 does NOT work.

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Blackmagic Forum

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