BMPC-4K: Like trains? (Updated)
Every winter, Portland’s Oregon Rail Heritage Foundation runs a “Holiday Express” train pulled by a steam locomotive.
It’s great to watch the train as it r-o-a-r-s by, billowing smoke and steam in the near-freezing cold air. If you make a reservation you can buy a ticket and ride the train for a few miles.
I shot the video footage above for fun last weekend with my BMPC-4K camera. It’s 4K ProRes 422 footage shot at 23.98fps, Film, ISO400, with a Sigma 18-35mm f1.8 lens @ f8.
Scaled to 1080p in FCP7 and exported as 1080p @ 10 megabits/sec H264 for Vimeo.
In previous years I’ve shot footage of these trains using a CMOS sensor camera with a rolling shutter. When positioned near the big heavy locomotive as it passes, it makes the ground (and tripod) shake, resulting in RS jello city. One more reason I love the BMPC-4K’s global shutter — no jello!
For the extreme wide shot I used 2 microphones and my SoundDevices MixPre to record stereo audio into my BMPC-4K camera. The last 30-seconds sound especially great. I also used a graduated ND filter to darken the sky slightly. The zoom and pan was created in FCP by scaling 4K video from 50% to 90% in a 1080p timeline.
Below is a 2.39:1 cropped (3840 x 1608) frame grabbed from the video:
UPDATE 12/13/14: The still image below is a 3840 x 1608 frame (2.39:1 cropped) from “4K” video I shot handheld at Portland’s Alpenrose Dairy today. (The video itself isn’t ready to show yet.) The dairy is a unique & complex location; check out their website! Every December Alpenrose has nice displays of holiday lights, farm animals, and model trains. They have 2 big toy train models set up. Really nicely done, and maintained by employees & volunteers. The guys running the train exhibit say I’m welcome to come back again with my camera & tripod — I’ll definitely try to take them up on their generous offer!
©2014 Peter J. DeCrescenzo. All rights reserved. http://www.peterdv.com
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