Only two weeks away from the shortest day (in the Northern hemisphere), it’s becoming increasingly difficult to draw in the limited winter daylight. Not only has the best of the light gone by 2:30pm but when we do have sun, it is very low in the sky so illumination of the subject and the paper is restricted.
To overcome this there are several options and I have spent the last week comparing four of them. Before I go on, I will just make clear that I’m talking here about quality of light, not about hue. I’ve been sketching with graphite pencil and white paper so the colour of light is irrelevant.
The first and most obvious form of light is natural light – that big blob of fire in the sky. It may be hiding in the other hemisphere for two thirds of the day and then behind clouds for the rest of it, but it is still there and will always be my favourite kind of illumination.
At this time of year, it is possible to see a phenomenon which is visible all the time, but more evident now: If you are indoors observing an object, say a metre from the window, on an overcast day then you will see two shadows. This is because there are two light sources – the sun itself, and then the glow of the cloud cover. If you were outdoors then the glow from the sky (illuminated from behind by the sun) would be all around and so not so obvious. But, when indoors it will be refined as it is only coming from the direction of the window.
In this case I would generally do what I can to cover the sun because its light will fluctuate, not only in strength as the clouds move by, but also in position as it glides across the winter sky. The beauty of illumination from an overcast sky is its diffused nature and in winter the angle of illumination will be fairly low and eerie.
The best hours of sunlight in midwinter are between 10am and 2pm – on a good day! This isn’t very long at all, and if you don’t have the luxury of these hours to yourself, then winter sun isn’t an option.
I would most often draw in this kind of light at home. This is because I draw on the dining table and in this room we have four LED downlights. In general, these lights are great and give good illumination to most of the room whenever required. However, multiple sources of light can be a challenge when drawing. Contrast is drastically reduced. This is a problem because the change in shadow, gives the eye huge clues about the shape of something. The accurate observation of shadow turns a two dimensional object, three dimensional.
Four light sources also means four shadows. Describing form with multiple light sources can be problematic. But actually I have found this the inspiration for some interesting projects – both replications of the patterns made by four shadows and also some pleasing line drawings where I have been forced to observe contour by ignoring shade altogether.
It may not be considered the ideal light source, but four downlights are the light conditions I use most in winter, just because it involves the least effort to set up!
Reading LampA strong source of light, in very close proximity, can offer dramatic lighting effects. There will be very little room for gradual change of depth, even on a rounded surface so I find myself trying to find subtleties that perhaps are not there. Also, I find it hard to distinguish patches of dark cast shadow from form shadow . I can’t use the clues I normally would in my drawings as there is so little graduation. I didn’t have much fun with this type of light.
This lamp is nothing special – just an old bedside lamp. The kind with a shade. Although this is placed as close to the subject as the reading lamp, the effect is much more subtle. Again drama is created, but the form of an object is easier to represent as graduation is a little softer. As we aren’t fussy about colour of light at the moment, I’d say this is on a par with the light from an overcast sky – only far more reliable.
For representing form the diffused lamp gives a better quality of light than the reading lamp and multiple downlights, but for line drawings and interesting effects I am quite happy with the downlights. However, ideally, I would light my subject naturally with overcast sky. If you cannot escape direct sunlight from your window then an overcast-type effect can be achieved with glassine paper at the window or a plain net curtain.
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For advice on photography in different light conditions check Photography Guidelines.