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Mark Kenfield

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Posts posted by Mark Kenfield

  1. Hi guys,

    I've moved on to some faster glass, so selling my much loved Zeiss 21mm CP.3 (PL-mount, Imperial Markings).

    This was the wide-angle prime I paired with my Zeiss CZ.2 zooms, so it's seen very minimal use. The condition is superb. Glass is perfect, focus and iris rings are silky smooth.

    Located in Melbourne, Australia, but happy to ship worldwide.

    $3,390 USD / 3,099 EUR / $5,075 AUD + shipping
     

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  2. I've shot on my fair share of Alexas over the years, and though I still always do a quick grey card check to calibrate the cameras to my meter, I'm yet to encounter an Alexa that hasn't returned a nice, clean green false colour metering over a grey card exposed per the camera's rated EI. 

    800 on my meter has always matched 800 on the camera.

    I personally tend to rate the camera at 400 ISO most of the time (unless I'm short on light). But I'm setting my meter to 400 when I do so.

    There's always a chance one or the other (the camera or your meter) are out of spec/calibration. But it doesn't really matter so long as you calibrate them to each other, and can get consistent, repeatable results from doing do.

    • Like 1
  3. 22 minutes ago, JD Hartman said:

    The circuit might be rated at 20A, but the sockets are rated at 10A? In the USA that's a electrical code violation.  A 2k, not figuring in resistance of the cable, should draw 8.33A at 240vac. 

    Dual 10amp plugs are the standard for outlets down here, whether they're on 10, 15, 20 or 30amp "oven" circuits. 

    All extensions boards and the like are rated for a maximum 2400w 10amps @ 240v.

    Would it maybe be code in the States because you've got less headroom on 120v power? On a 20amp circuit we can feed a total of 4800w @ 240v through a single double wall socket here.

  4. The best thing you can do, is use your time on the location recce to track down the fuse box, and isolate which circuits feed which power sockets throughout the place, so that you can spread the load accordingly. 

    Use tape to mark things out clearly in the fuse box, and draw a little map of everything for your gaffer (if they're not at the recce with you).

    That way you can pre-plan where you're going to feed each lamp from, and can save you a tonne of time and trouble on the day.

    • Upvote 1
  5. Holy shit. Knives Out was digital?! 

    I was banging on about how cool it was that they were still able to shoot celluloid on a film like that.

    I suppose I shouldn't be surprised, I've known since I first saw the DisplayPrep demo that Yedlin could make Alexa completely indistinguishable from film, but that was on tests I played out on my 4k monitor and 50" Plasma. I knew it, but maybe I didn't quite believe it initially.

    That it's so utterly convincing on the big-screen seals the deal as far as I'm concerned.

    Wow.

  6. Hi guys,

    I'm using the Arri UMC-3a for the first time on an upcoming shoot, and I've trawled through Arri's configuration overviews but find them pretty confusing where power cables are concerned. 

    What cable connection does the UMC-3a use for power? Is it a standard Arri RS? Is it the "PSC" connector? We want to power it via DTAP.

    Cheers,

    Mark

  7. Hi guys,

    Putting my maxed-out Mac Pro 5,1 up for sale:

    Specs:
    - 12-Core 3.46 GHz Intel Xeon
    - 64 GB 1333 MHz DDR3
    - MacVidCards Flashed NVIDIA GeForce GTX TITAN X 12GB
    - Sonnet 4x USB3 PCI Card
    - Sonnet Tempo dual SSD PCI Card
    - 512GB Samsung 850 Pro SSD Bootdrive
    - 1TB Samsung 850 Pro SSD RAID (900MB/s)

    Geekbench 5.0.4 Scores:
    - Single-Core: 657
    - Multi-Core: 6179
    - Metal Score: 35840
    - OpenCL Score: 41816

    As you can see by the benchmark numbers, she's a beast, incredibly stable, and gives me smooth 25fps real-time playback of 4k 16-bit Linear Sony Raw footage (which is seriously hefty material) in Davinci Resolve. And flies through edits in FCPX.

    I've put three 512GB Samsung 850 Pro SSDs inside, one for a fast boot drive (to hold the OS and all Applications) and the other two in a RAID via a Sonnet Tempo Dual SSD PCI Card, which gives 829MB/s Write and 997MB/s Read times, and allows for seamless playback of 4k Prores and Cinema DNG Raw up to 60fps, and Uncompressed 4k 4:2:2 streams up to 30fps.

    There's also a four port Sonnet USB3 PCI card for high-speed data transfers.

    The Mac Video Cards Flashed 12GB Nvidia Titan X is the highest performing CUDA-enabled GPU that you can use with the 5,1 Mac Pros. It work beautifully, gives you access to the Mac Boot Screen, and it also allows for OpenCL and Metal-based processing (which gives you the most versatility possible for software rendering options).

    Located in Melbourne, Australia, but happy to ship worldwide. If you have any questions or would like a shipping quote, feel free to get in touch.

    $2,250 USD / $3,200 AUD + Shipping

    Cheers,

    Mark

  8. I think it's a terrible idea. Doable? Sure, I've humped heavier combos before. But as Miguel points out, it's a really unruly sized combo. Get some primes, or at least smaller zooms, for times you need it on the shoulder.

    The Canon 17-120mm, Fuji 20-120, and Zeiss 21-100mm are all much more handheld-friendly options in the same range. Albeit with more modern looks to them.

  9. Hi guys,

    I'm after a proper EVF mounting system. No fuss, no wiggle, no slipping. And I'm wondering if anyone's used the Wooden Camera Air EVF system, and can comment on how well it performs? I want a proper EVF solution that can easily move from a shoulder-mount position (at the front of the camera), to a tripod position at the rear of the camera (using a quickly exchangable extension arm).

    Wooden Camera seem to be the only crowd that I can find (other than Arri) who are making a proper EVF system like this. So it'd be great to hear feedback (if anyone has any), or if anyone knows of comparably robust and easy-to-use systems from other manufacturers, I'd love to hear about them.

    Cheers,

    Mark

  10. Selling two Arri CLM-4 Basic Motor Sets, very lightly used, so they’re in mint condition. Really pristine.

    These are THE motors for any Arri Alexa with the Plus module, and work beautifully with the UMC-3A, UMC-4 and SMC-1 motor controllers. The perfect blend of high torque, good size and silky smooth pulls.

     

    $1,890 USD / €1700 Euro / $2,760 AUD for each set + shipping

     

    Located in Melbourne, Australia but happy to ship worldwide (sales in Australia will have to add GST).

    Feel free to reach out if you have any questions.

    Cheers,

    Mark


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  11. 2 hours ago, Max Field said:

    I'm not an engineer by any means but essentially he routes something directly from the sensor to an internetal chip/converter thing, then runs that to the SxS slots.

    Fascinating. Could you PM me his details?

  12. 6 hours ago, Max Field said:

    I think F3L was a marketing model, same camera but just came with the Sony cine prime lenses.

    I know a guy in New York who can modify F3s to record 4:4:4 internal to SxS Pro+ cards if you were trying to find a better version of the camera.

    Huh?! How?

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