It doesn’t matter what digicam you use, the power to focus remotely is an excellent factor. And if you’re filming your self, it will probably usually be invaluable. I’ve spoken about it earlier than within the Weebill 2 Professional Plus Package evaluation. And whereas I are inclined to keep away from it when capturing video, I’m to not huge to confess that there are occasions when autofocus may make your life drastically simpler.
Autofocus is a characteristic notably missing from Blackmagic cameras, however this iPhone app gives it again to you utilizing your iPhone’s LiDAR sensor to find out the gap to the topic and telling your digicam to focus to it. And, yeah, you get common remote focus pull options, too. It appears just like the app’s been out for fairly some time, however has stored itself beneath the radar (their Fb web page solely has 5 followers). YouTuber Michael Tobin found it, although, and has made a video exhibiting the way it works.
The app is known as Focus Puller and it prices $12. It solely runs on the iPhone and requires iOS 14 or later. It connects to your Blackmagic digicam over Bluetooth and requires that you use an autofocus lens that has digital communication with the digicam. I imply, that is sensible. It may well’t autofocus your handbook lenses. Any lens that you can touch-to-focus usually on the Blackmagic cameras ought to work, although.
By default, the app simply works like a daily remote focus with a slider that you can use to regulate between minimal focus distance and infinity. And Michael’s video, it’s fairly responsive, too – in all probability extra responsive than utilizing a motorised observe focus unit with a wheel on your gimbal! However you can add markers to this to have preset focus distances to leap straight from one particular marker to a different.
What’s significantly fascinating, although, is that it will probably utilise your iPhone’s LiDAR sensor with a purpose to decide the gap to your topic and ship instructions in actual time to your Blackmagic digicam to regulate the lens focus to match it. There’s some calibration concerned, and in contrast to different LiDAR options, the app gives a variety of calibration factors to make sure your telephone and your digicam are at all times synced up.
I anticipate if you’re utilizing a zoom lens that’s not parfocal, then the calibration received’t work all that properly all through the focal vary. It’s additionally restricted to solely wanting on the centre of your shot on the iPhone (presumably a limitation of the sensor constructed into the iPhone), but it surely really appears prefer it’s much more helpful than different choices on the market. It’s a heck of loads cheaper, too, if you’re already an iPhone consumer!
You possibly can obtain the Focus Puller app at no cost from the Apple App Retailer to have a play with it and test that it really works for you and your lenses. However as soon as you wish to hit the report button, you’ll have to pay the $12 price to unlock it.