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  • Hey all, just changed over the backend after 15 years I figured time to give it a bit of an update, its probably gonna be a bit weird for most of you and i am sure there is a few bugs to work out but it should kinda work the same as before... hopefully :)

Nothing exciting but Iso 5000 looks good

greg filipkowski

greg filipkowski

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Nothing exciting but Iso 5000 looks good, My friend asked me to stop by, she had a store event, so I shot this little video, they had no lighting on the stage at aLL and decided to turn off all the lights in the store except 3 led dj lights that were backlighting the girls, so I had to boost ISO 5000, and I thought nothing was going come of it.
But it wasn't a paid gig, or I wasnt filming for anything so why not test the cam, handheld crazy so by no choice, and I was surprised, there is grain but it's a nice grain, I used 24L 1.4 No color grading or filtering straight render.

http://vimeo.com/40423876
 
very surprised!
 
I'm still trying to get my head around this one. Changing the ISO affects the way your image looks on the monitor, but not necessarily the way it's recorded. After all you are recording in RAW. What it probably does, is give you a good idea what your image would look like if you rise the ISO to that level using Redcine X. It will also give you a good indication of shutter speed and aperture. That's how I see it. Shooting with the Scarlet requires a completely different approach of when I was shooting with a DSLR.
 
Greg, this is great to hear. It does look fantastic. I think vimeo compression helps a bit in removing noise (?) that's a question...
Also what were you shooting for the beginning versus for the end where you went as high as 5000 iso ?
 
Ambarish Manepalli said:
Greg, this is great to hear. It does look fantastic. I think vimeo compression helps a bit in removing noise (?) that's a question...
Also what were you shooting for the beginning versus for the end where you went as high as 5000 iso ?
Click to expand...

what also helps with noise is the down-res from 5k/4k capture to 1080p or in this case 720p. It really lowers the appearance of noise and helps sharpen the image. If I understand correctly he is also shooting a 360 degree or "open shutter" which gives you more light but more motion blur on moving objects (as opposed to 1/48th, 180 degree shutter). His lens is a 1.4. All of these factors helped him in achieving these results.
 
Could also help that there's a lot of blue light (or blue CC), which is generally the noisiest channel. Kind of like camouflaging the blue noise... know what I mean?

Maybe post a .r3d raw (still or 5sec clip)... it'd have all the metadata in it too, so people can see what's really going on.
 
this is a typo you mean you shot at 500 right? lol.

looks really great. 360 shutter looks real good im gunna have to test it out cause i didnt even notice a difference.
 
NO typo iso 5000, I was filming and all of the sudden they turned off all the lights, so I turned up, 1.4 1/24th woow nothing great so iso 2000 nothing great, so I said to my self, I will make it black and white with grain iso 5000, when I got home i was suprised
 
How did you transcode? Im having alot of noise problems, but i want to eliminate user error.

Can you describe your workflow? Debayer settings, compression, rocket card? Etc....

Thanks. I want to eliminate variables.
 
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