A colleague of mine suggested this posting to explain a bit better about the increasing the dynamic range in the camera through processing. First what one should anderstand is that the range of colours in a camera is limted and departs from the white and black points. That is why your camera manufacturer sometimes recommend custom setting of the white balance - to obtain truer colours. Improved software in more expensive cameras has a larger dynamic range. The effect of the increased range you can see in the modern TV cameras - e.g. the opening shots of Miami Vice etc.
My camera has a bracketing function as I have explained yesterday. I set it to bracket by two f-stops. The shot at bottom left is the standard shot as it would have appeared at automatic. The bottom middle is two stops lower and the right bottom is the two stops higher.
I load all three shots and start with the HDR mapping exercise in the software, followed by adjusting the tonemapping settings to suit taste. In my case I try to get the picture as real as I remember it. The HDR exercise means that the software goes through some algorhytms to determine best representation. The software can reproduce at a greater Dynamic Range of colours.
The picture at the top is the final product from the HDR mapping exercise.
The ideal situation for HDR fiddling would be a late afternoon (or early morning) with a sky full of clouds and some detail in the foreground. The foreground in these kind of shots normally turns out dark and you loose detail. The bracketed shots provide each in its own way more detail of the fore-, middleground and the skies. In the process you can profit from a larger range of colours.
This picture was taken during the weekend at Dullstroom where we did the endurance ride. Very hilly country and cold at nights. The hills and stones produced a ride of a very high grade of difficulty.
|camera||Canon EOS 400 Digital|
|exposure mode||full manual|