HOT PIXELS and sensor grades

[Dan Hudgins]

I have two questions relating to the sensor.

q1) Is there a provision to remap new invalid pixels to hide them?

q2) Is there going to be an option for better or lesser grade sensors?

Dan

[Joe Aurili]

Good questions. Bad pixels can lead to lots of extra work in post. At least if the software makes it easy to patch your cameras particular bad pixels during conversion to the target format, that will make life a lot easier.

[Jay A. Kelley]

Jim has been very clear that if you see dead pixels, he will take care of it. He said he would not accept dead pixels in one of his cameras and would not expect us to either.

Does not answer all of your questions, but it's a start
Jay

[tj williams]

Jim also said they use masking technology and do not accept any sensor with columns or rows of dead pixels. Similiar technology like Nikon pro has not had much trouble with additional dead pixels, should mask for quite a while and since we also have a kind of personal guarantee above from Jim I feel pretty happy about this issue which was discussed to death on a previous thread.


http://www.reduser.net/forum/showthread.php?t=641

[Curran Giddens]

Think it is normal for sensors to have a few bad pixels when manufactured, but the bad pixels get mapped out so they don't show up in the image. Same kind of thing with hard drives and bad sectors I think.

[CVB]

FYI.. Jim said dead pixels will not be tolerated...
http://www.reduser.net/forum/showpost.php?p=15875&postcount=37

[jbeale]

Single-pixel defects are easy to mask in post and as I recall Redcine was described as including that function. It is definitely better to mask it prior to Redcode compression though; a single hot or dead pixel would corrupt its neighbors to some extent also when going through a lossy compression process.

[tj williams]

All Sensors have some dead pixels from the start including this one.
All Sensors lose some additional pixels due to wear and tear of various sorts.
Pixel masking keeps you from being able to see this.
The RED sensor has pixel masking.
Long term the RED 1 is built to upgrade as newer better more sensitive sensors become available. How many video cameras have you run for 20 years? Was that a joke??

[Jannard]

All film gets hair in the gate. All film gets scratches that show up in the telecine... life is not fair. Rule #1.

Jim

[Don Woods]

true and i have always found it funny that we have come to look at film with all its deffects as the perfect image. and that digital looks "too clean" Dead pixels why important are kind of a mute point there is so may way to clean them out of a frame with out even the slightest change in the image. As for an enormouse amount of dead pixels i'm sure RED has a warentee.

[Stephen Williams]

All film gets hair in the gate. All film gets scratches that show up in the telecine... life is not fair. Rule #1.

Jim

Hi Jim,

You need to use better loaders and find a new TK house.

Stephen

[Don Woods]

I agree and I don't think RED is out to make film obsoulite. I don't think you can. I think what they are out to do is make the first real alternitive options to film..

[Obin Olson]

DanCad, if your afraid then stand by and watch what happens with RED, talk with other DP's shooting red, and read read read this message board. I feel the issues your talking about are really non issues with RED, and or have been covered on this board already.

[tj williams]

Hi Dancad

My Sony HD-Cam Camcorder has depreciated about 50K in 5 years. It makes the RED seem like a bargain to me, if it lasts 5 years!!!

Sony offers no upgrade path except "buy a new camera" The RED team has promised upgrades. I would think that with the speed of technological development that in less than 10 years the complete innards of your camera would have all been upgraded so the unraveling of circuit boards etc. you suggest will not affect you.

I also own old S16 film equipment from the 80s and it still works well.
My camera is sync and has circuit boards which have not failed... yet???
I started in the film world, and my first electronic camera was a depreciation/outmoding shocker..

I think you are right to see the camera as essentially expendable in electronic cameras as opposed to film. The life is much less. Just think how many new emulsions we have run over 30 years. Each one represents a camera upgrade or repurchase in the electronic world!

[Stephen Williams]

Just think how many new emulsions we have run over 30 years. Each one represents a camera upgrade or repurchase in the electronic world!

Hi TJ,

Well if you talk about the same speed rating then 3 from Kodak.

Stephen

[b e n t o n]

but the main topic of this thread brings up a good point --
What about repair in general?
I have an XL-H1 that I have sent to Canon four times in the last year to have repaired. It was still under warrenty so I was only chrged for one of these being caused my my own extreme sports incling.
The turnaround was less than a week in each case.

If something goes wrong with ou Red on a shoot,
I assume there is a year warrenty, Jim has been very generous with us res holders and first believers,
but my guess is you will have to rent a Red in the meantime

[Gunleik Groven]

Amen to that...

Gunleik