Camera Labs

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..
thanks..

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Canon Rebel XTi

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.

Liron.

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Canon EOS 50D, Canon EF 17-40L, Canon EF 70-200L f/4 IS and Canon SpeedLite 430EX
My picasa

OHHHH okay

my shutter speed is 1/4000

thats why, thanks!

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Canon Rebel XTi

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.

Bob.

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OM-D E-M5 + ED 12-50mm, H-PS14042E, H-F007014E, L-RS014150E, M.ZUIKO DIGITAL 45mm 1:1.8.
Gitzo GT1541T, Arca-Swiss Z1 DP ball-head.
Astrophotography: TEC 140 'scope, FLI ML16803 camera, ASA DDM60 Pro mount.

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.