Arri Alexa

Alexei’s posts, articles and opinions concerning the Arri Alexa.

Johnnie Walker House Beijing

September 12, 2013
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This is a video brochure for the Johnnie Walker House event venue in Beijing. Directed (if you can call it that) by me, shot by me. SHOT WITH Arri Alexa Tungsten lighting Optimo DP Rouge Arri Master Diopters

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Zhong Guo Ren Shou TVC – directed by Alexei Berteig

September 10, 2013
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This is a commercial I directed quite a few months ago, but only now have received a final copy. Heavy post work and lots of back-and-forth with the client resulted in dozens of revisions of the graphics. Cinematography by Jason Wong. SHOT WITH Arri Alexa Tungsten lighting Arri Ultraprimes

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Kodak R.I.P. ~ An Interview With my New Camera

June 13, 2012
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Interview with Arri ALEXA

Me: So how do you feel about the fact that you have contributed to the demise of Kodak. It is after all a company that has lived in the pantheon of Great Companies, great innovators. Alexa: Well if I had time to think about it, I suppose I’d feel a little badly… Me: You don’t have time to think about it! Have you no conscience? Kodak is the company behind the innovations that have made so much great art possible. Kodak is like, THE COMPANY that first let us shoot in the dark, produce indescribably beautiful images… Alexa: I’ve been busy. Me: So busy you can’t even pause to shed a tear? Alexa: Well, I’ve been busy, I’m shooting a lot… Me: Okay, well, moving on. Would you say that this is “the year that film died?” Alexa: Never say die. I’m proud of what I’ve accomplished, and I can certainly achieve an image quality that rivals film in a general way, but there are still applications where film...

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Alexei’s Dream Camera

May 5, 2012
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the Arri Alexa seen beside the JVC falcon for comparative size.

I’m totally beyond excited – I’m the proud new owner of an Arri Alexa! I look forward to offering this excellent tool to my clients. This all started back in 2006 when I was on retainer with JVC as a “consultant.” I was an owner/operator of the then-exciting GY-HD101, the new generation of HDV cameras. Did a lot of shooting with that camera, a lot of which I’m quite proud of. At the time, Panavision and Sony had just come out with the Genesis (i.e. F35), Arri had the D20, Phantom had one high-speed camera, Dalsa was still making noise, and the RED 1 was still vaporware. It seemed obvious that Digital Cinema was around the corner. I gave a presentation to the head of sales China and the head engineer of JVC camera global, in which I proposed that JVC jump into the fray. I went ahead and designed a camera. Of course, not being an engineer, I couldn’t say exactly how the electronics would function, but I had some...

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Alexa Announces 2k Pro-Res

May 5, 2012
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Alexa Announces 2k Pro-Res

Joy! If you want to shoot spherical 1.85:1 or 2.35:1 this is just what the doctor ordered. Having shot widescreen fairly extensively on the Red-MX, I can say that 2k ProRes in this format is PLENTY in terms of resolution, and I’m glad that Arri has finally made the ProRes recording match the resolution of the ArriRAW options. In Q3 (soon): ProRes 2K provides a high quality 2048 x 1152 ProRes file that is ideal for feature film productions; it will initially only be available for Regular Speed (0.75 to 60 fps). In Q4: (late this year) For those who own a High Speed license, ProRes 2K recording will be possible from 60 to 120 fps. I couldn’t be happier. Full details are of course on Arri’s website.

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To IR or not to IR?

April 11, 2012
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To IR or not to IR?

To IR or not to IR? The Arri ALEXA’s low-pass filter pack includes UV and IR-cutoff filters. According to Arri’s promo literature, you don’t need additional filters: The IR and UV cut-off filters let only those light frequencies reach the sensor which can be converted into a meaningful image. As with the D-21, the IR filter is specifically designed for the spectral response of the camera’s sensor, so no additional IR filter in front of the lens is required.(emphasis added) According to Arri’s FAQ (under “Exposure Questions / Can I use traditional ND filters with ALEXA?”), the story is a little different: While the close match between ALEXA’s custom designed IR filter and the sensor’s spectral response makes this issue less critical in contrast to some other digital camera’s, it is in general a good idea to only use traditional film ND filters up to an ND 0.9. So according to the promo materials Alexa doesn’t need IR-Cut ND filters. According to the FAQ however, you need ND/IR-Cut at...

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