Hello again, I apologize for the delay on answering. Yes please feel free to post some of your artwork. I know how taunting is the task of creating a good representational bust, but as you can see from your own results, in the end it pays off. It's like learning music and it's boring parts, you have to exercise those boring scales all day long but in the long run it will help you to boost your own song.
Now to the point of keeping records of my art-work and photography, I never use the camera with the flash mode on, and I avoid florescence light in the room that I'm taking the snap shot, florescence light tend to flatten and cools the chiaroscuro and the charcoal tonal values. Another easy way to get a good quality copy of your A2 work is to scan your artwork into a non-flat bed scanner, usually provided by professional print centres and art schools, and then adjust your opacity and contrast in photoshop with curves tool, or with the adjustments through iPhoto if you are a mac user.
Dear arri-att, concerning the subject of academic drawings ( busts etc ), at my current art school they don't teach us that, so I had some intensive lessons outside the University, but academic drawing is not everything, just a good practice method.
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