Click here to go to the first RED TEAM post in this thread.   Thread: "Brindabellas" Stunning Infared landscapes shot on modified infared RED EPIC

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  1. #41  
    Senior Member John Marchant's Avatar
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    Here's what our IR-only OLPF looks like. Its a fair bit more sophisticated than just a 720 IR lens filter, so it looks a little exotic :)


    https://vimeo.com/130807963
    KipperTie - Authorised RED Rental, Pinewood Studios, UK
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  2. #42  
    Junior Member Glen Ryan's Avatar
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    Quote Originally Posted by Sidney L. Plaut View Post
    Glen / John,

    regarding eye damage are there any other scenario's that could cause harm?
    Sidney - only really potential issues with DSLRs when you filter the lens and then view the image through the (optical) viewfinder. So you 'd be shooting stills not motion.

    Visible light is pretty much zero with a 720nm filter and by the time you get to an 830nm filter on the lens you can barely even see the sun in the frame (through the optical viewfinder). Your iris opens right up as it thinks it's dark - IR wavelenghts still come in the optical viewfinder and can damage your eye. Not an issue at all if you use a RED as no optical light path to an optical viewfinder. Also no issues if you use an IR OLPF or a modded cam with filtration on the OLPF / sensor - rather than the lens. Even with a DSLR only a potential issue with stills as the mirror is locked up for motion and you would be looking at the LCD .... Only time I've ever had an issue was testing out an 830nm filter one day on a modded DSLR where I shot a series of shots left to right and included the sun in the last couple ... for some reason I kept my eye open in the viewfinder while shooting the sequence even though it was basically black! Longish exposures zapped my eye when the sun was in the frame....

    Having said that about IR it's also potentially damaging looking at the sun through any camera / lens / filter! Just with heavy IR filtration on the lens you may not realise you are actually doing it!

    Cheers

    Glen
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  3. #43  
    Junior Member Glen Ryan's Avatar
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    Quote Originally Posted by John Marchant View Post
    Here's what our IR-only OLPF looks like. Its a fair bit more sophisticated than just a 720 IR lens filter, so it looks a little exotic :)
    Looks awesome John - just ordered one ... Got a cool little test shoot coming up in July for this baby ;)
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  4. #44  
    Senior Member John Marchant's Avatar
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    Excited to see the result :)
    KipperTie - Authorised RED Rental, Pinewood Studios, UK
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  5. #45  
    Senior Member Will Keir's Avatar
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    Love to see this in 4K. Friend and big fan of all Glen Ryan's work.
    Will Keir
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    The friendships, the adventure, the art."
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  6. #46  
    Junior Member Glen Ryan's Avatar
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    Quote Originally Posted by Will Keir View Post
    Love to see this in 4K.
    Hey Will

    We're going to bring the whole thing out in 4K - with a couple of different options in terms of bitrate / compression etc ... Just working on the details now :) Its a shame the whole Odemax / Redray distribution thing never worked out as initially outlined - as would have been a good option for slightly crazy stuff like this! But we'll see what we can come up with...

    Cheers

    Glen
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  8. #48  
    Senior Member Thai Christen's Avatar
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    Quote Originally Posted by John Marchant View Post
    Here's what our IR-only OLPF looks like. Its a fair bit more sophisticated than just a 720 IR lens filter, so it looks a little exotic :)


    https://vimeo.com/130807963
    Have you been able to test it with the new Helium sensor?

    Cheers,
    Thai
    Cinematographer and Drone Pilot
    thaichristen.com
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    Tax No:CH-036.1.057.957-3


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  9. #49  
    Senior Member John Marchant's Avatar
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    Yup, all our filters are tested and verified for Helium :)
    KipperTie - Authorised RED Rental, Pinewood Studios, UK
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    Check out our showreel , our OLPF products, or talk to us @kippertieltd
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  10. #50  
    Senior Member Thai Christen's Avatar
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    Quote Originally Posted by John Marchant View Post
    Yup, all our filters are tested and verified for Helium :)
    .

    Great! Which lenses would work best with Helium and your IR filter?
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