Noise on GY-HM700 at DVinfo.net

Antoni Canals · October 6th, 2009, 01:51 PM

Hi everyone, I've been reading the forum for months but never posted before. I've got a GY-HM700 a few weeks ago I started to see some yellow and blue fringe all over the image. I did send the camera to the technical service and they changed the optical block. That solved the problem but then I started to record at 1080 25P and start to see a lot of noise. Now I've send the camera two times more and the camera stills the same. They says that this noise is normal. I think the amount of noise is unacceptable for a pro camera that costs 7000€. and don't know what will think my clients about the image quality.
I'm posting some links to ask you if you guys could download it and tell me how you see them and what you think. I'm looking it on a 24" iMac and it's awful in my opinion. I'd like to know if the image it's ok and is what I'll get from that camera or there is definitely a problem on my camera.

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Eric Deyerler · October 6th, 2009, 02:54 PM

I use the newest firmware-upgrade. Have you tested to switch the DNR to ON.
The standard ist DNR OFF. When I work with enough light and the correct
iris, the picture is wonderful and my customer love the picture-quality and
the drag-and-drop-native-editing with mov-files.

Marcello Mazzilli · October 6th, 2009, 04:32 PM

Try these settings...

Detail NORMAL
Master black -1
Black Toe STRETCH, Lev 3
Knee MANUAL 80%
DNR OFF

The idea is to strech the black range but at the same time to darken the blacks
If you like you can try pumping up the colours

Still.. it is a noisy camera but tweaking settings and giving it light you can get good results

I watched your outdoors footage... To me it seems a little out of focus. Did you check the back focus correctly?

Here you can find a small selection of something I shot with my HM700. Nothing of what you see was color corrected afterwards. The fireplace is done in 1280x720, the rest is 50i 1080. All footage was compressed in H264 for my archive and again now for this compilation (so it' converted twice).

I put it now.. please wait 5.00 am Central Europe Time to download (is uploading now)

http://www.siroma.com/areariservata/...ection.mov.zip

let me know

Antoni Canals · October 7th, 2009, 12:44 AM

Thanks, I'll try those settings when I'll get back the camera from the technical service. I downloaded your file, but couldn't see it, says it's corrupted.

Marcello Mazzilli · October 7th, 2009, 01:01 AM

Yes.. the file transfer stuck tonight.. sorry.. Is to heavy.
I made a smaller version in M4V. I know is not perfect for viewing noise etc.. but I think you can get the idea of the potentialities of the camera (more blacks, more colour). Try again the link now

October 6th, 2009, 01:51 PM	#1
Antoni Canals Tourist Join Date: Sep 2009 Location: España Posts: 2	Noise on GY-HM700 Hi everyone, I've been reading the forum for months but never posted before. I've got a GY-HM700 a few weeks ago I started to see some yellow and blue fringe all over the image. I did send the camera to the technical service and they changed the optical block. That solved the problem but then I started to record at 1080 25P and start to see a lot of noise. Now I've send the camera two times more and the camera stills the same. They says that this noise is normal. I think the amount of noise is unacceptable for a pro camera that costs 7000€. and don't know what will think my clients about the image quality. I'm posting some links to ask you if you guys could download it and tell me how you see them and what you think. I'm looking it on a 24" iMac and it's awful in my opinion. I'd like to know if the image it's ok and is what I'll get from that camera or there is definitely a problem on my camera. Exteriors RapidShare: 1-CLICK Web hosting - Easy Filehosting Interiors RapidShare: 1-CLICK Web hosting - Easy Filehosting RapidShare: 1-CLICK Web hosting - Easy Filehosting

October 6th, 2009, 04:32 PM	#3
Marcello Mazzilli Major Player Join Date: Apr 2009 Location: ITALIA Posts: 416	Try these settings... Detail NORMAL Master black -1 Black Toe STRETCH, Lev 3 Knee MANUAL 80% DNR OFF The idea is to strech the black range but at the same time to darken the blacks If you like you can try pumping up the colours Still.. it is a noisy camera but tweaking settings and giving it light you can get good results I watched your outdoors footage... To me it seems a little out of focus. Did you check the back focus correctly? Here you can find a small selection of something I shot with my HM700. Nothing of what you see was color corrected afterwards. The fireplace is done in 1280x720, the rest is 50i 1080. All footage was compressed in H264 for my archive and again now for this compilation (so it' converted twice). I put it now.. please wait 5.00 am Central Europe Time to download (is uploading now) http://www.siroma.com/areariservata/...ection.mov.zip let me know Last edited by Marcello Mazzilli; October 6th, 2009 at 05:03 PM. Reason: Adding something

October 6th, 2009, 02:54 PM	#2
Eric Deyerler Regular Crew Join Date: May 2009 Location: Schwabach (Germany - Bavaria) Posts: 199	I use the newest firmware-upgrade. Have you tested to switch the DNR to ON. The standard ist DNR OFF. When I work with enough light and the correct iris, the picture is wonderful and my customer love the picture-quality and the drag-and-drop-native-editing with mov-files.

October 7th, 2009, 12:44 AM	#4
Antoni Canals Tourist Join Date: Sep 2009 Location: España Posts: 2	Thanks, I'll try those settings when I'll get back the camera from the technical service. I downloaded your file, but couldn't see it, says it's corrupted.

October 7th, 2009, 01:01 AM	#5
Marcello Mazzilli Major Player Join Date: Apr 2009 Location: ITALIA Posts: 416	Yes.. the file transfer stuck tonight.. sorry.. Is to heavy. I made a smaller version in M4V. I know is not perfect for viewing noise etc.. but I think you can get the idea of the potentialities of the camera (more blacks, more colour). Try again the link now