Hello everyone! I have a question that constantly haunts me onset of green screen shoots. It seems I’m never able to get a great camera match from 3dsmax to the real-world. I’m determined to change this on an upcoming shoot. We will be shooting on the Red Epic, and I’d like to understand the len…

film gate size depends what res you are shooting with since its crops the sensor. here’s a website that should help http://arenafilm.hu/alsog/dofcharts/default.php?camera=redepic&format=4K+16%3A9&s=125&lens=redzoom1850

fantastic, I really appreciate your reply. If you could indulge my ignorance just a bit more: It looks like the epic at full frame is at 5120x2700. As my final output will be 1920x1080, is it possible to use this chart to get the right info? I do want to shoot full frame to get the extra data so…

I found this over at the nuke forums. which has some more details http://forums.thefoundry.co.uk/phpBB2/viewtopic.php?t=5988&sid=835d8eaf773ee27b96d5dfb82fe07c20 but it looks like epic has a slightly smaller film gate. as for looking at the both on set, i can’t really help you but I assume you wo…

Interesting. So if I was to follow this, I could keep my renders at 1920x1080, which simplifies a lot. One more question then: I assume by this idea I would adjust the film gate on my vray camera to 22.11mm, and move my camera to match my desired shot?(make it look like it did w/ a wider gate)

ps…the mention in that thread of camera presets makes me drool…we need that for vray! e.

yeah that should work if you shoot in 4k 16:9, and just set your zoom to the same as the real lens. I would try and do a test shoot if you can. to make sure it all looks right.

Thanks for looking into it with me. It’s always a bit of fudging onset, but I want to learn to get it right (as possible)!

One update: Red Epic 4kHD is actually 4800x2700, so the film gate should be 25.92mm Eric quote: …with red because it crops the sensor for different recording sizes the backplate will change depending what size you are recording (i have an epic myself) the pixel size is 5.4 microns( 0.0054mm) t…

hi eric, we done a job using red epic footage aswell and shooted with 100mm macro master prime from arri but this doesn´t matter.tracking was done using 27.7x14.6mm as filmback (shooted @5k 25 fps, 5120x2700 px) and all is working very well. after that we had a maxcamera inside max with 27,7mm for…

Vray Camera Compositing: Red Epic

Common Common :: Off-topic

EricKlein January 19, 2012, 12:52am 2

got a few views…any ideas?

Loads of speckles when object reflects itself

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Vray Camera Compositing: Red Epic

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