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04/08/2011 - 11:22 AM

Star trail

Star trailOne technique to remove noise I have heard about is to leave the lens cap on and take a blank shot.
????????WHAT????????????? I here you ask. Grin
This blank shot will still record some information: noise. Its not just the visible spectrum wavelengths that can enter your camera, trigger your sensor and record a spec of illumination. Other wavelengths can do this too, and can enter the camera even with the cap on. So what can you do with this blank noise image? Subtract it from your cap-off images to remove noise using the Image>Arithmetic tool.

This tip came from BBC Sky At Night Magazine some time ago. I've tried it once whilst trying to photograph Orion, and I guess it worked quite well.
28/07/2011 - 9:24 AM

Charlotte3

Charlotte3Hi there.
I'm going to be brutally honest with my critique here. These are my thoughts, and I try to put myself in your shoes and imagine what I might have done differently. No disrespect is intended, just trying to give my point of view, which I hope is helpful.
On the plus side;
1) You have picked a good location with a lot of potential for drama. Its very raw, primal.
2) Your model was willing to crawl around in the dirt for you. Good work ethic. She has a great figure and a fab hair colour. Nice tattoos too.
3) In Charlotte3, you have nailed the rule of thirds by getting the face in the top right intersection.
On the down side;
1) Given the darkness of the scene, the choice of bikini and shoes should have been revised. The dark high heels add nothing and against the dark background almost seem to shorten her legs. I would have suggested losing them altogether and asked her to go barefoot. Or choose some light coloured strappy heels so that they have the usually desired effect of lengthening the legs. Bikini to dark too for my liking.
2) The choice of poses (I've seen so far, I'm assuming there are many more) I don't like. The scenery is very raw and primal, and i would have asked her to interact with it by standing up and pressing up against rocks, and ensure the hair is against a lighter better lit part of the background to show it off more. The scene lends itself, to my eyes, to be like an Amazonian Survivor scene, so I would have asked for poses that bring out the drama of that. Griping the rocks. Hiding. Looking up. Maybe nursing/rubbing an imaginary sore arm or leg. Bring the drama.
3)The background has lots of horizontals in it; could these have been used to produce leading lines? I don't know how free you were to move, but if it were possible I would have got closer, maybe on the same side of the stream, close to that rock face, and used the perspective to create leading lines out of the rock strata to the model.
4) The choice of shooting angle also does not add very much drama. (I keep going on about it don't I? Sorry. Its just the scenery screams out for it.) Lower angles shooting up? Diagonal angles? Shooting down the length of an arm or leg at the model? I don't want to say too much as there are probably more from this shoot.
Anyway, like I said, this is just my opinion, for what its worth. Even if it merely gives you ideas then thats good.
All the best.
Graham.