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In my last post about studio photography (the killer clamshell) I covered a simple two light setup for achieving a gorgeous soft beauty look. This time I thought it might be fun to cover something a bit more general purpose and for this there cannot be anything better than the ever classic white infinity setup.
The All Can Do Lighting Setup
There is a reason why pretty much every major fashion or lifestyle magazine makes good use of a white backdrop and that reason is simplicity. Not only is this lighting arrangement incredibly easy to achieve but it also delivers sharp, detailed portraits with a beautifully clean and uniform background and most importantly no visible seams or edges. Aesthetics aside its also great for beginners to try as if done correctly provides a large and consistent zone in which to place your subject, allowing you to concentrate less on the position of your lights and more on placing and posing your model.
Families, pets, models, products the white infinity background is probably one of the most versatile setups going and to help you get started here is my approach to nailing this fantastic lighting arrangement:
Ok, confession time. The images and steps below are 100% genuine and therefore its going to be pretty obvious that I screwed up my exposure during this shoot. Before you hit the big red ‘X’ at the top of your browser .. I can explain. I basically had about 10 minutes to set everything up and 30 mins to take the shots before my studio rental was over. Because I was in a rush I failed to spot that a large portion of the floor area was under exposed (by about a stop). I promise I don’t do this all the time and if you don’t believe me check please feel free to check out the studio section of my portfolio site. Hopefully by showing you my mistakes you will avoid them in the future.
This lighting setup requires three lights and is best achieved using studio strobes as opposed to speed lights given the extra power needed to blow out the background. As I have said before, hiring a studio is a cheap and very effective way to get access to this kind of equipment, making this shot all the easier to achieve. If you do decide to do this at home however I would definitely recommend spending a little bit of money on a decent quality background paper, you can use a fabric backdrop but in my experience this will absorb much more light making the exposure more difficult than a non fabric setup. Its also important that you have a background which is long enough to span both the back wall and floor of your shooting space.
For this setup you will need:
The Lighting Setup
The important thing to achieve is a background that is both evenly exposed and completely blown out (i.e. solid white). The ideal result is to have a background that is twice as bright as your subject, the trick here being the ratio of light as opposed to absolute values.
Typically I will set the exposure for my subject using an aperture of around f8. Therefore if we want to achieve a background which is twice as bright we need to expose the background at an aperture which is one stop smaller than that used for the subject.
Just in case this doesn’t make complete sense, changing the aperture by one stop will either halve or double the available light. Therefore if when we meter the background we use an aperture which is one stop smaller than the subject, when we open this back up again to take the final shots the background will now be twice as bright as the subject.
Here is how I go about getting this all set:
The Post Processing
Obviously you can post process your final images however you like but just in case you are looking for a few pointers here is a brief overview of my workflow and more importantly how I overcame my exposure malfunction.
The white infinity backdrop is a fantastically versatile and satisfying lighting setup and one which I would definitely recommend to anyone wanting to try something different to a single light arrangement. Hopefully the tips here will help you to have a go at this classic lighting look, unfortunately though finding the super model is down to you!
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