光と影と時間と

映像作りに参考になる動画など。

いろいろな空のタイムラプス映像 Edge of Stability

美しい。

ダイナミック。

 

Edge of Stability from Jeff Boyce on Vimeo.

This entire timelapse sequence was recording between May and June of 2015. During this time, I managed to arrange about 5 weeks off from my regular job as a Police Officer in California, and set out in my truck with no particular destination in mind. I had only picked up photography as a hobby within the last couple years, and this was my first year ever recording or producing timelapse videos. Having always been very interested in severe weather, nature, and traveling, I picked up storm chasing during spring of 2014. I spent a few weeks in 2014 traveling and photographing storms, but without a solid goal or understanding of the concepts of photography. My interest in timelapse photography of storms stemmed from seeing Nicolaus Wegner's "Stormscapes" videos around this time.

This year, I set out with much better equipment, more ambition, and a solid goal - to produce the timelapse compilation that became "Edge of Stability". Using the National Weather Service's Storm Prediction Center outlooks (SPC), I was able to see generally where and what type of severe weather would occur during the next few days. Twitter also became a huge part of my decision making process - following the posts of more experienced storm chasers and meteorologists. I drove over 600+ miles some days in order to reach areas where the environment would be favorable for severe weather. Typically the most intense weather occurs during late afternoon and into the night, so there wasn't a whole lot of sleeping - but it was worth it.

I ended up traveling through California, Arizona, Nevada, Utah, New Mexico, Texas, Oklahoma, Kansas, Colorado, Wyoming, Nebraska, North Dakota, South Dakota, Iowa, Minnesota, and into Manitoba, Canada. Most of this time was spent car-camping in my truck (I had removed the back seat and built a sleeping platform and storage compartments), but got a hotel room every few days. During breaks where there was less severe weather, I got a chance to photograph the Milky Way and other landscape scenes. I even, on a whim, decided to drive into Canada and attempt to see the Northern Lights for the first time. This paid off - and I was incredibly lucky to see brilliant displays of the Aurora Borealis both nights I spent in Manitoba. It even made getting detained by Canadian immigration officials for a couple hours and searched at the border worth it!

By the end of my journey, I ended up with about 70,000 individual high resolution photos. Having recorded up to 8,000 photos per day, I had to buy two 4GB external hard drives just to keep up. I also had to edit and save each day's clips as I went. I used Adobe Creative Cloud's Lightroom and Premiere Pro - but even these phenomenal programs would take hours to compile timelapse sequences only seconds long. I set up my Dell XPS 15 laptop to run off my vehicle's electrical system, and was able to let it work for the hours each day I spent driving.

Once I arrived back home in California, I began the long process of sorting, categorizing, and ranking my sequences. I had SO many photos that probably less than 30% of my content made it into "Edge of Stability". In fact, to this day I still haven't even converted about 20% of the photos into timelapse videos.

As far as the technical parts of how I produced the video: I used two Canon 6D's paired with a Rokinon 14mm f/2.8, Rokinon 24mm f/1.4, Tamron 24-70mm f/2.8, Tamron 70-300 f/4.5-5.6, and a Canon 50mm f/1.8. I used a Vanguard Alta Pro 263AGH Tripod with a GH-100 Grip Head, and it worked great. When doing two sequences at once, the second camera sat on a cheaper and more frustrating tripod I picked up from Costco a year earlier. I installed "Magic Lantern" software onto my cameras which allowed me to use an internal intervalometer and not have to purchase two extra external devices. "Magic Lantern", a sort of software hack on the camera, came with a number of issues - but it got the job done and did it well. The timelapse sequences were recorded with a RAW photo taken between every 2 seconds to every minute. The type of shot, movement in what I was photographing, and lightning conditions all played into this. Rapidly evolving supercell thunderstorms were recorded every 2 seconds in order to capture as much detail as possible and to create the longest clip in the shortest amount of time. On the other hand, I would leave my cameras on a mountainside exposing the Milky Way all night long, and might set the cameras to record a 20 second exposure every minute until the batteries ran out.

I had to return to reality eventually, but I plan to make it back out to capture more images as soon as possible! All of the compliments I've received have been very motivational, and I plan to continue to improve and challenge myself!

Thanks for watching! :)

www.negativetilt.com
www.facebook.com/negativetilt
Twitter & Instagram: @negative_tilt

Email: Jeff@negativetilt.com (Please contact for commercial/broadcast licensing)

新種の雲「アスペラトゥス波状雲」







64年ぶりに認定されるかもしれない新種の雲がまるで世界の終わり
それ雨の日も晴れの日も、いつでも雲は空にいて、ぼんやりと、時にはっきりと私達の心情を彩ります。雨雲、すじ雲、ひつじ雲、入道雲にうろこ雲、嵐の前に空を見やれば、垂れ込める雲に息を飲みます。そして、空模様の不穏さにざわつく気分はいくつになっても変わりません。特にこんな雲だったら…

21世紀なのにもう世界が終ってしまうんでしょうか。
来年11月、世界気象機関(WMO)発行のInternational Cloud Atlas(国際雲図帳)に、この異様な雲が新たな種として加わる事になるかもしれません。雲の名は『Undulatus asperatus(アスペラトゥス波状雲)』、ラテン語で『でこぼこした波』『荒波』といった意味です。

新しい雲の種類(雲形)の認定は、来る2015年までの64年間に一度もなされる事はありませんでした。実に1951年以来の出来事になります。
(後略)

http://sign.jp/bac11fdf


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