Why am I getting dark images from my Canon Rebel |
| Posted by Administrator (admin) on Wednesday, 10th January, 2007 at 9:51 PM |
When uploading my Chritsmas photos using Picasa I started to notice that I am getting a lot of dark photos that require fixing.� This was confirmed when I turned on the�Picasa histogram.� I had also noticed this on my camera histogram but thought it was related to an invalid setting such as ISO, or AV or that my Sigma lens was dark.
After some investigation it seems there are a number of reasons for�getting underexposed images with a Canon Rebel and a number of issues to look out for when composition a scene and select the exposure:
- The Canon Rebel range is designed to underexpose photos that can then be corrected by software such as Photoshop of the Canon provider Zoombrowser.� This reduces the chance of overexposure that can not be corrected by software.
http://www.cambridgeincolour.com/tutorials/histograms1.htm
- In all the creative modes P, AV, TV the evaluative metering mode only calculates exposure for a small area around the focus spot.The suggested method is to use the exposure lock on a grey area (middle tonal range) then select the focus point
- more to come...
Read this article on exposure
http://luminous-landscape.com/columns/determining-exposure.shtml
Read this on Flash and underexposure
http://www.beartronics.com/300d.html
Understand Camera Metering
http://www.cambridgeincolour.com/tutorials/camera-metering.htm
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