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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 :)

Product release - The RED Null

Richard Darge said:
Mitch, do you have an idea of ship dates?
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Again, we will know more clearly next week. I don't want to give out incomplete information. Trust me that as soon as we know you will too.
 
Mitch Gross said:
Dominic is correct. Epic & Scarlett designs call for a sensor that is on an adjustable mount. The lens mount is then stationary. This is also how the Sony F35 adjusts flange depth. All of them will work perfectly with the RED Null.
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Not so sure about any details like those of Scarlet/Epic designs till then of their official release...

Comparison with Sony F35 we should immediately and simply drop it here

just because is not any closer reach to RED/Scarlet/Epic design at all...
 
I've used the Red Null lens myself on the Red One, Phantom HD & Arri D21. When I was first asked to try & test this lens, I was a bit skeptical as to how well it would work. I must say I was quite surprised at just how shallow the depth of focus was when setting back focus on the Red. It was night & day when checking where infinity was on the monitor, and it makes my job of setting back focus so much easier.
 
signed up! :)
 
Jeff Kilgroe said:
We've been told that EPIC / Scarlet will collimate themselves automatically by shifting the sensor block. Sounds like an elegant solution, but I would imagine that we will need to double-check this automated process from time to time.
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That's interesting Jeff - I must have missed the info on automated collimation.

Sounds great, but as you say, I for one would certainly like to be able to check something so important and adjust it manually if needs be...

Cheers,
Dom.
 
Jeff, if you could find that post I'd be interested. I'm trying to figure out how backfocus could be done automatically. There would have to be a target with an optic set for a given distance and then the system could work automatically, but I don't see how it could happen otherwise or one would never be able to adjust focus during the shot without the camera fighting you.

Sanjin, I believe the reports of the adjustable sensor came from Jim and Jarred and not conjecture on the part of REDusers. I wouldn't discredit those particular gentlemen as sources on the new cameras ;-)

Anyway, the RED Null works great on the camera we all have today, the RED One. It also works on the F-35, which does indeed have an adjustable sensor mount with a stabile lens mount.
 
Off the top of my head, wouldn't a similar system to autofocus (i.e. contrast maximisation edge detection algorithms, albeit somewhat glorified) work with a known target?

I can see the process working like this:
1) Attach widest lens you have/will use
2) Set lens to infinity, point at subject at infinity focus.
3) Engage auto-collimation mode.

At this point, the camera searches for perfect back focus by shifting the sensor block back and forward until optimum edge contrast is obtained, and then locks off the position. Assuming that the user has completed steps 1-3 correctly, that should work, shouldn't it?

Or is there something I'm missing?!

Dom.
 
great tool. Field collimation is so key especially. Im putting it in my accessories list for my purchase soon.
 
Mitch, I'm not sure how I feel about the facial hair. I'll need to review the video a couple more times. :) But the product video review was outstanding and informative as always.
 
Mitch Gross said:
Sanjin, I believe the reports of the adjustable sensor came from Jim and Jarred and not conjecture on the part of REDusers. I wouldn't discredit those particular gentlemen as sources on the new cameras ;-)
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What ever and what else I like this product anyway, but in the case of what is coming from RED till we do not see it IN A REAL WORLD, all that before is a pure speculation as it is written in Jim's REDUSER signature...
 
Looks great but I would top out at $500-$600
 
I'll shave daily if Jarred keeps his shoes on.

An 8mm lens as mentioned has a focus dial, which means that it has slop in its alignment. The RED Null is locked to infinity as an absolute. It also is optically designed for this specific purpose. The lens is very close to the surface of the sensor, way inside behind the PL lens mount. This gives it the incredibly narrow depth of focus which is all part of what makes it so accurate. Again, the RED Null is accurate to within 5 microns.

I know Peter and the Diascope design. We've been in discussion on its design for several years. I think that it might be a very nice instrument but we really like the simplicity of the RED Null. And again, it is extremely accurate and easy to judge correct flange depth. It will also be significantly less expensive than the other options out there.

I hope everybody likes the RED Null and it is great that there are choices available. I'm sure once they get out to market there will be many user reviews and people can get the device that suits them best. The RED Null looks to be the least expensive and it is more accurate than other devices I have seen that are also expressly made for this purpose. But please decide for yourselves.

But I firmly believe that whatever you choose, a backfocus adjustment tool should be considered a vital part of everyone's RED kit. That's why we plan to make the RED Null inexpensive and in volume.
 
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