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Steadicam Volt’s cinematic smartphone stabilizer is a little fiddly

Steadicam is the company behind iconic tracking shots in films like Rocky and Return of the Jedi, so when parent Tiffen launched a smartphone stabilizer bearing its name at CES 2017, there was a ton of interest. The $195 Steadicam Volt nabbed more than $1 million on Kickstarter and is now on sale at stores. It works very well and can produce natural-looking, cinematic shots, but don’t expect it to do that out of the box. It takes a fair amount of time to set it up, and even longer to master.

The Volt is a rather unusual type of stabilizer. Like Steadicam’s classic products, it relies on balance and inertia, but it also has a motorized gyro like the DJI Osmo and other electronic gimbals.

The gyro and electronics are tucked into the body. There’s a platform on top for the phone, and a handle and weighted frame below. Most of the parts are built from plastic, which doesn’t impart the most solid feel but makes the Volt very light — around a pound. It measures a bit more than a foot tall by about 9 inches deep, but it’s compact enough to squeeze into a jacket pocket when folded.

Tiffen says the reason for the hybrid gimbal/gyro approach is to give users maximum control. By applying pressure to the control surface just above the grip, you can quickly flip it around or change focus to a different subject. The Osmo and other products, on the other hand, can pan only as fast as the motor can turn.

The balance aspect means you can’t just take it out of the box and start shooting, though. First you have to set it up to your specific smartphone so that it’s perfectly — and I mean perfectly — adjusted. Once that’s done, you must learn how to use the thing so that you can shoot exactly the way you want.

I tried out the Steadicam Volt with a Samsung Galaxy S8, which already has a pretty darn good camera that shoots at 1080p or 4K (Ultra HD) resolution. As with any smartphone, handheld tracking shots can look very jerky, even if you operate it as smoothly as possible and turn on the built-in stabilization. For live streaming, even minor hand shaking can be noticeable too. That’s where the Volt can help.

To balance the Volt, you mount your phone and hold it horizontally. If the back tips up, you need to add weights until it tilts down, then adjust a slider for fine-tuned control. I needed just two weights for my Galaxy S8, but if you have a larger device, you’ll likely need more.

For side-to-side balance, you just push the phone to the right or the left in the cradle. Finally, there’s a screw adjustment that moves the phone back and forth so that it’s balanced perfectly and pointing ahead, not to the sky or the ground. Users have reported that some Volts don’t sit perfectly level, but there’s a firmware update to fix that issue.

With everything set up, I took the Volt to the street. You can’t just point it at your subject and capture glorious tracking shots — you have to get the hang of using it and develop a light touch on the controls for pans or tilts. Also, like most handheld stabilizers, the Volt doesn’t fix up or down movements, so you have to learn a sort of stealthy, smooth walk.

The Volt has two modes: sport and cinema. The former is on by default and offers a more rigid, easy-to-control operation. Cinema mode, activated by pushing the front button twice, provides less resistance, making for a smoother but touchier gimbal. You can use your built-in camera or any other app, including Tiffen’s own Image Maker. I didn’t have much luck with that app myself, as it crashed to a black screen when I tried using it.

It weighs less than a pound, so, with a light smartphone like the Galaxy S8, the Volt is easy to use all day. However, the 8-hour battery life is less than you get with other stabilizers, so if you do a marathon session, you’ll need to carry spare cells. Unlike with other products, though, it’s easy to swap them. That said, it will still function as a (much cruder) stabilizer even without power, so you won’t be totally stuck with no power.

The Volt always stays where you point it, whether up, down, left or right. If you want to change the angle, you merely apply pressure to the control stalk. Tiffin recommends using both hands, one to hold the gimbal handle and the other to control camera movement. I found that worked fine for me, but, with a bit more practice, I could hopefully do it one-handed, like Steadicam inventor Garrett Brown.

The Volt seems like an ideal stabilizer for vlogging or recording Facebook Live videos, since it’s fairly easy to control and tracks subjects faithfully. Flipping to the front camera and back requires a bit of care, however, in order not to jolt your phone or flip it around.

That brings up what is perhaps the Volt’s biggest flaw. If you happen to be out on a windy day, your phone could catch a gust and go out of control. Electronic stabilizers like the Osmo don’t have that problem to the same degree, as they’re more rigidly fixed. The solution is to brace the Volt harder with your hand, but that removes some of the smoothing benefits.

All told, I liked the Steadicam Volt, but it’s not for everyone. Users who want handheld, stabilized video with little setup and learning would probably be better off with the DJI Osmo, which also costs $195. There are also numerous knockoff electronic smartphone stabilizers on the market for around $100, if you want to take that risk.

If you’re willing to put up with the time needed to set up and learn it, however, the Volt is worth your attention. Once you become proficient (practice is the only way), there are more types of moves that you can do than with an electronic gimbal, and it gives you more direct control and feel too. The resulting tracking shots, I believe, are less mechanical and more organic-looking than you get with purely mechanical stabilizers. Just watch out for those gusts.

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Ms. A. C. Kennedy
My name is Ms A C Kennedy and I am a Health practitioner and Consultant by day and a serial blogger by night. I luv family, life and learning new things. I especially luv learning how to improve my business. I also luv helping and sharing my information with others. Don't forget to ask me anything!

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Lithium-ion batteries have massively improved in the last half-decade, but there are still issues. The biggest, especially for EVs, is that charging takes too long to make them as useful as regular cars for highway driving. Researchers from the University of Warwick (WMG) have discovered that we may not need to be so patient, though. They developed a new type of sensor that measures internal battery temperatures and discovered that we can probably recharge them up to five times quicker without overheating problems.

Overcharging a lithium-ion battery anode can lead to lithium buildup, which can break through a battery's separator, create a short-circuit and cause catastrophic failure. That can cause the electrolyte to emit gases and literally blow up the battery, so manufacturers impose strict charging power limits to prevent it.

Those limits are based on hard-to-measure internal temperatures, however, which is where the WMG probe comes in. It's a fiber optic sensor, protected by a chemical layer that can be directly inserted into a lithium-ion cell to give highly precise thermal measurements without affecting its performance.

The team tested the sensor on standard 18650 li-ion cells, used in Tesla's Model S and X, among other EVs. They discovered that they can be charged five times faster than previously thought without damage. Such speeds would reduce battery life, but if used judiciously, the impact would be minimized, said lead researcher Dr. Tazdin Amietszajew.

Faster charging as always comes at the expense of overall battery life but many consumers would welcome the ability to charge a vehicle battery quickly when short journey times are required and then to switch to standard charge periods at other times.

There's still some work to do. While the research showed the li-ion cells can support higher temperatures, EVs and charging systems would have to have "precisely tuned profiles/limits" to prevent problems. It's also not clear how battery makers would install the sensors in the cells.

Nevertheless, it shows a lot of promise for much faster charging speeds in the near future. Even if battery capacities stayed the same, charging in 5 minutes instead of 25 could flip a lot of drivers over to the green side.

Via: Clean Technica

Source: University of Warwick

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