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What’s the F-number of the Human Eye?

With all the new cameras and lens that have come out recently I was curious about the f-number of the human eye. It can easily be calculated using the human eye’s focal length (~22mm) and physical aperture size. Here’s what Wikipedia has to say:

Computing the f-number of the human eye involves computing the physical aperture and focal length of the eye. The pupil can be as large as 6–7 mm wide open, which translates into the maximum physical aperture.

The f-number of the human eye varies from about f/8.3 in a very brightly lit place to about f/2.1 in the dark. The presented maximum f-number has been questioned, as it seems to only match the focal length that assumes outgoing light rays. According to the incoming rays of light (what we actually see), the focal length of the eye is a bit longer, resulting in minimum f-number of f/3.2.

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Hard to find a better location to film than we had out in the San Juan Island's for this commercial. 

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Leg bound.

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A man awakens in a hospital only to find his life now comes with an accompanying foley group in this Wes Anderson meets Twilight Zone short by Irish duo D.A.D.D.Y. 

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Abstract and gothic, yes please! Video by Máni M. Sigfússon song: Úlfur - Black Shore

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For me, one of the most exciting announcements at NAB was Dolby's Atmos. Essentially what it aims to do is  "blend onscreen visuals with enhanced audio by not limiting the sound to channels or fixed speaker locations" making it possible to fully immerse you audience, tell more of your story with well placed sound positioning, and do array pans.  Watch the video you'll see what I'm talking about.  Or read all about it here. 

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Philip Bloom's detailed review and comparison of the Canon 5D mark III vs the 5D mark II. There are some stunning shots in here.

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Zhang Huan's imposing sculpture of Confucius, which is made of silicone, steel, carbon fiber and acrylic.  I've seen movie effects that look far less realistic then this. 

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‎I heard this described as: "Beirut's new video feels like it's directed by an alcoholic Wes Anderson after watching two episodes of Tim and Eric." I think they mean it in a good way.... 

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Fantastic short documentary (shot on a Canon 5D Mark II) about an advertising producer working in China. Captivating work to say the least. Particularly interesting if you work in advertising. 

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A nice little ambient music video. I love the colors and atmosphere of these images. 

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I'd love to see this as a video!

Taken in various locations around Maniwa and Okayama Prefecture in Japan between 2008-2011 this brilliant series of photographs captures the wild frenzy of gold fireflies as they mate after thunderstorms during the June to July rainy season. Shot using a slow shutter speed, the neon green and yellow contrails seem almost digitally imposed on the scenic landscapes, but I assure you these are real. See them a bit larger here. 

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The Digital Bolex

A very interesting camera project over at Kickstarter, The Digital Bolex

There are some pretty neat specs on this thing The Digital Bolex Specs. RAW, 12bit Color, $2,500 etc. 

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Snippet of a very moving song demo from Bethlehymn

Romansky chords, new bethlehymn song playing with this morning.

Western voice memos #5

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10 Tips on Writing from David Ogilvy

On September 7th, 1982, original “Mad Man” David Ogilvy and iconic businessman sent the following internal memo to all agency employees, titled “How to Write”: 

The better you write, the higher you go in Ogilvy & Mather. People who think well, write well.

Woolly minded people write woolly memos, woolly letters and woolly speeches.

Good writing is not a natural gift. You have to learn to write well. Here are 10 hints:

Read the Roman-Raphaelson book on writing. Read it three times.

Write the way you talk. Naturally.

Use short words, short sentences and short paragraphs.

Never use jargon words like reconceptualize, demassification,attitudinally, judgmentally. They are hallmarks of a pretentious ass.

Never write more than two pages on any subject.

Check your quotations.

Never send a letter or a memo on the day you write it. Read it aloud the next morning — and then edit it.

If it is something important, get a colleague to improve it.

Before you send your letter or your memo, make sure it is crystal clear what you want the recipient to do.

If you want ACTION, don’t write. Go and tell the guy what you want.

-David

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A 8000x8000 resolution photo of our planet: 

http://www.flickr.com/photos/gsfc/6760135001/sizes/o/

Pretty amazing. 

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Gorgeously shot Honey Harvest video from Kinfolk Magazine.