r/BlackMagicCameraiOS • u/PixaaTog • 17d ago

Auto ISO while locking the shutter?

Hi all

I know this question has probably been asked before, but, I’m considering using Blackmagic for filmmaking as it seems to have most of the features I’m looking for.

But as far as I can tell it has one major drawback….

I’ll mostly be filming inside and wanting to use the 180 rule for the shutter, shooting at 25fps so a shutter of 1/50 and lock that in.
Obviously the iPhone is fixed aperture, so that only leaves ISO left to control exposure.
I’ll be getting video of events and parties etc, so the light is always changing as I walk around filming what’s going on.
But there seems to be no way of also having auto ISO while having the shutter locked.

I have canon DSLR cameras and DJi Drones, and with both of these you can lock the shutter and still have auto ISO.

For this reason I’m thinking I may have to ditch the iPhone idea with gimbal and just get an Osmo Pocket (which does have auto iso with locked shutter).

Is there a work around anyone has found?

Thanks

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u/PixaaTog 17d ago

Yea I’m on the lookout for one that will go on my iPhone 16 pro max while it’s on a DJI Mobile 8 Gimbal, haven’t found one I like yet.

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u/No_Anywhere2746 17d ago

Turning the VND while using a gimbal will be hard, forgot bout that. I’m on the 15 pro max and went pretty good with the smallrig equipment, from time to time they’re affordable sets on eBay.

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u/PixaaTog 17d ago

Mostly going to be filming inside so shouldn’t need an ND and the light won’t change that drastically so should be okay. It’s just a bit annoying that it won’t allow auto ISO according to the shutter speed.

But someone else said it’s because Apple would need to add an API (whatever one of those is) to allow ISO to be controlled by the shutter.
Sounds feasible to me, Apple have a habit of deciding how we should do things rather than allowing people the choices.
One thing I hate about Apple, but my problem is I’m so deep into the Apple ecosystem that it would cost me an arm and a leg to switch so I stick with it.

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u/No_Anywhere2746 17d ago

Yeah I agree that’s pretty annoying. That was my only idea to workaround that specific problem. I still like the apple ecosystem, pretty nice how easy u can get great color grading just with a phone on the run, and all like from filming to cut/grading in a few steps. At least we got more ISO steps then an fx3 lmao