Category Archives: tutorials

Schlieren Imaging Slow Motion DIY!

Schlieren Imaging Slow Motion

Sometimes all it takes to embark on a new project is some unexpected inspiration.  On the Incredible Slow Motion video by Veritasium – Seeing the Invisible: Schlieren Imaging in SLOW MOTION we are not only inspired but awestruck by the results of this simple and doable at home scientific experiment.   The experiment allows a camera to visualize the vortexes of gases and temperature differences in the air which serve to create some very interesting scientific experiments and or artistic visualizations.

You will need a Concave Parabolic Mirror like the ones used in reflective Newtonian telescopes, “you may have one lying around from your stargazing days”,  you will also need a small light source like an LED flashlight or single diode and finally a razor blade or similar precise object to cut off the light to the camera on a plane.

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Fake Slow Motion Is It Worth It?

Fake Slow Motion

There has been a lot of work put it developing software that can interpolate frames for video editing and compositing applications. Twixtor in the late 90’s was perhaps the first time the technology could make something worthwhile and really produce acceptable results in a computationally acceptable timeframe.

Today the most used algorithm is Adobe’s Optical Flow in Premiere or Time Warp in After Effects which use vector directional plus acceleration of pixel values to derive in between frame data to generate new frame information from the preceding frame as point A and the next frame as point B.  The results can do some wonders to really slow down things above the frame rate ceiling of the camera.

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Slow Motion Videos of the Week!

Slow Motion Videos of the Week

We have seen quite a lot of new slow motion footage inundate the Intertubes this week.  The amount and quality of the footage seem to have exploded recently with more and more cameras able to shoot at higher frame rates and at qualities that make it bearable to watch. Of course, there is also the occasional professional high speed camera shot i.e Phantom Flex 4k, which makes it the icing on the cake.

It is also time to get inspired by looking at the work of others to better your own shooting and gather new ideas or inspiration.  It is time to lay back and relax while you watch some extremely cool slow motion footage. And as always remember to be safe if you attempt any of the stunts or experiments shot.  Take Care!

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Gavin Free Educates & GH5 Ships!

Gavin Free Educates

Gavin Free the camera specialist behind the Slow Mo Guys YouTube channel has posted a recent video talking about the difficulties and technical aspects of light gathering for slow motion sequences. The video explains the shutter angle in detail and why it is important for the final look of a slow motion shot. He does so with the help of a Phantom Flex 4k Camera capable of 1000fps at full 4k Resolution.

On other things the 180fps Full HD capable Panasonic GH5 has tarted shipping and currently ships in 1-2 days after order. The camera is also capable of shooting at 4k 60fps continuously at 150Mbps.  We have been covering this camera and it is clearly a video powerhouse; read on for more.

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Slow Motion Educational Videos!

Slow Motion Educational Videos

We want to share a few videos that explain the principles behind slow motion video shooting. There is a lot of confusion when it comes to slow motion; how to shoot it, how to play it back and the dos and don’ts to get the best footage possible.  The principles of shutter speed, light sensitivity, triggering and playback are all based on classical photography techniques with the main difference being extremely short time-scales and the need for inordinate amounts of light… but it can get tricky!

The internet is an information tool that democratizes the ability of the audience to learn and experience new information shared by millions of individuals. Gladly this also includes high speed camera information and sample videos.  Be sure to subscribe to the channels behind these videos so that they can continue sharing their knowledge with all of us.

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Edgerton MIT offering high speed imaging course!

EdgertonCenterMIT-logo

The MIT Edgerton Center is offering a new 4 day  in depth course in high speed imaging at their Cambridge, MA Campus. The Edgerton center is as you guessed it the DOC Edgerton building named after the famous high speed imaging researcher and inventor.  It is also the main inspiration for the edgertronic high speed camera. It could be a great way to get exposed to the latest gear from the top manufacturers of high speed cameras and learn techniques, lighting for hi speed and problem solving.

HIGH-SPEED IMAGING FOR MOTION ANALYSIS: SYSTEMS AND TECHNIQUES

Date: June 15-18, 2015 | Tuition: $2,500

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