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PostPosted: Sun Nov 25, 2007 6:26 am 
1ST- what is RAW? i have this thing called raw for my image size on my camera what asactlly is this RAW thing?

2ND- TV mode i set it to 0 and i take a picture and it comes out PURE black, even if its +2, but works fine with flash..., why is it so dark and how could i change it?

help please..

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PostPosted: Sun Nov 25, 2007 6:54 am 
Hi 1exotic.
1. RAW is an unprocessed picture. It means that the camera writes to the card the pixels as the sensor "sees" them, without any post processing. So you can make the processing afterwards using Canon 3rd party software. Post processing includes ISO, WB etc.
2. Where do you take the picture? What are the settings? In Tv mode you set the shutter speed, what speed is the camera set on? If it's very fast and you're shooting a scene which is not bright enough, you will have a black photo.


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PostPosted: Sun Nov 25, 2007 7:40 am 
OHHHH okay

my shutter speed is 1/4000 :wink:

thats why, thanks!

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PostPosted: Sun Nov 25, 2007 10:12 am 
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Joined: Sat Sep 30, 2006 4:30 pm
Posts: 9886
Location: UK
Hi 1exotic,

Just a "heads up" to say I've moved this topic into the Canon forum as its title refers to the Canon Rebel XTi.


Sony RX1R II. Olympus OM-D E-M1 + M.Zuiko Digital ED 12-40mm f/2.8, M.Zuiko Digital ED 40-150mm f/2.8 + 1.4x T/C, Lumix 7-14mm f/4, Leica DG Summilux 15mm f/1.7 ASPH, M.Zuiko Digital 45mm 1:1.8
M.Zuiko Digital ED 75mm 1:1.8, Leica D Vario-Elmar 14mm-150mm f/3.5 - f/5.6 ASPH.
OM-D E-M5, H-PS14042E, Gitzo GT1541T, Arca-Swiss Z1 DP ball-head.
Astrophotography: TEC 140 'scope, FLI ML16803 camera, ASA DDM60 Pro mount.

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PostPosted: Sun Nov 25, 2007 8:00 pm 
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Hi 1exotic, Tv mode may let you choose the shutter speed, but for a balanced exposure, you'll still need enough light. Even with the aperture wide open and the ISO increased, there may not be enough.

My advice would be to stick with P (Program) mode for the time being. Or use Aperture Priority mode (Av) and open the aperture to its widest setting (smallest f-number). The camera will then select the fastest shutter speed possible under your current conditions. if you wnat a faster shutter still, try increasing the ISO, but be aware your quality will reduce as this goes up.

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