cordvision
Well-known member
There seems to be a lot of contradicting information about vertical streaking with the GH1. Some people claim to have severe streaking, some say they don't have it at all, and some claim that they had success with the burn-in process, and others didn't.
I would like to find out if there are actually cameras that exhibit more or less streaking. In order to do that, I will need your help.
If you have a GH1 please do the following. Make sure you follow my instructions very accurately, else the test won't work!
Shoot a ca. 5 second clip with the following parameters:
1) Duration: ca. 5 seconds
2) Subject: white or cream colored wall, and if possible also have a dark object that covers a good amount of the frame in the picture (see attached sample below). I found out that this helps to make the streaking more visible.
3) Exposure: Use your camera's exposure guide and underexpose by 1-2 stops.
4) ISO: 400
5) Shutter: 1/50
6) Aperture: Free to choose in order to get the "correct" (see #3) exposure.
7) WB: 3200 Kelvin
8) Lighting: Tungsten
9) Filmmode: Nostalgic (all settings at 0)
10) Format: AVCHD (FHD 1080) at 24 fps.
Camera Movement: Pan slowly back and forth.
Please send the original .mts file (use your screen name as the name of the file) to info (at) cordvision.com along with the following info:
Original firmware or hacked?
If hacked, what kind of hack do you use (parameters)?
Would you say that you have vertical streaking or not?
Did you try the burn-in process?
Here's my sample file: http://www.cordvision.com/GH1_Streaking/cordvision.MTS
(right click --> save file)
I will look at all the files and try to post them in this thread, or at least post frame grabs. Hope this will answer some of the questions we all have...
I would like to find out if there are actually cameras that exhibit more or less streaking. In order to do that, I will need your help.
If you have a GH1 please do the following. Make sure you follow my instructions very accurately, else the test won't work!
Shoot a ca. 5 second clip with the following parameters:
1) Duration: ca. 5 seconds
2) Subject: white or cream colored wall, and if possible also have a dark object that covers a good amount of the frame in the picture (see attached sample below). I found out that this helps to make the streaking more visible.
3) Exposure: Use your camera's exposure guide and underexpose by 1-2 stops.
4) ISO: 400
5) Shutter: 1/50
6) Aperture: Free to choose in order to get the "correct" (see #3) exposure.
7) WB: 3200 Kelvin
8) Lighting: Tungsten
9) Filmmode: Nostalgic (all settings at 0)
10) Format: AVCHD (FHD 1080) at 24 fps.
Camera Movement: Pan slowly back and forth.
Please send the original .mts file (use your screen name as the name of the file) to info (at) cordvision.com along with the following info:
Original firmware or hacked?
If hacked, what kind of hack do you use (parameters)?
Would you say that you have vertical streaking or not?
Did you try the burn-in process?
Here's my sample file: http://www.cordvision.com/GH1_Streaking/cordvision.MTS
(right click --> save file)
I will look at all the files and try to post them in this thread, or at least post frame grabs. Hope this will answer some of the questions we all have...
