Kate Eccarius
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Everything posted by Kate Eccarius
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ARRI WCU-4 Hand Unit Monitor Bracket ?
Kate Eccarius replied to Simon Ng's topic in Camera Assistant / DIT & Gear
It may be a year since this post but ARRI has now finally come out with their own (announced at NAB 2015): https://youtu.be/IEH63IWqww8 (specifically at 2:44) -
Here's a great article in the ASC which speaks briefly about the lenses and focus issues with the IMAX cameras used for the film (if you haven't already read it). http://www.theasc.com/ac_magazine/August2012/DarkKnightRises/page1.php
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Hi Dom, Following your instructions however when we move the wide end of the zoom spectrum the image (IHI) becomes completely blurred and impossible to line up. I've been using the projector (measuring to the 5" mark to sort it out and re-shimming) but it'd be nice if I could make sense of it on the collimator too. The lens we are working on is the Zeiss LWZ.2 15.5-45mm/T2.6. Cheers, Kate
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Sorry, first post. Kate Eccarius. Melbourne born, but now residing in Paris.
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Firstly; thank you Alan; Jean-Louis and Dom for replying so quickly and with such great responses. I have a further question and it may sound silly, but even so; When measuring a zoom lens on a collimator, how do I properly measure the infinity focus throughout it's range? P.S. Dom - Great to hear from a fellow Melbournian (I live and work in Paris now). I've noticed on many Panavision lenses that's the case. So if I notice quite a change within the first few stops you recommend making new mesurent marks similar to that of Panavision? Do assistants find this helpful or an unnecessary hassle?
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I've just started becoming familiar with using a collimator to check the flange depth on lenes but had a quick question regarding reading the results (IHI). I am using a gecko-cam auto-collimator; with a lense at infinity and open fully I can measure the flange focal distance however, when I raise the f/t-stops, with some lenses the 'H' begins to move - changing my result. Is this a problem as it only happens with some lenses and should I compensate this into my results? If so how? I hope that was clear enough; please don't hesitate to ask me more questions!