The Brief
Use a combination of quality, contrast, direction and colour to light an object in order to
reveal its form. For this exercise, we recommend that you choose a natural or organic object
such as an egg or stone rather than a man-made object. Man-made or cultural artefacts
can be fascinating to light but they’re already authored to some degree, which requires
interpretation by the photographer; this exercise is just about controlling the light to reveal
form.
You don’t need a studio light for this exercise; a desk lamp or even window light will be fine,
although a camera flash that you can use remotely is a useful tool. The only proviso is that
you can control the way the light falls on the subject.
Take some time to set up the shot. If you’re shooting an egg, you should think about
emptying it first so that it will stand up. This is really a topic for advanced students at Level
3 but you may get some help from Google. The background for your subject will be crucial.
For a smallish object, you can tape a large sheet of paper or card to the wall as an ‘infinity
curve’ which you can mask off from the main light source by pieces of card. You don’t need
to use a curve if you can manage the ‘horizon line’ effectively – the line where the surface
meets background. Taking a high viewpoint will make the surface the background, in which
case the surface you choose will be important to the shot.
Exposure times will be much longer than you’re used to (unless you’re using flash) and
metering and focusing will be challenging. The key to success is to keep it simple. The
important thing is to aim for four or five unique shots – either change the viewpoint, the
subject or the lighting for each shot.
Add the sequence to your learning log. Draw a simple lighting diagram for each of your
shots showing the position of the camera, the subject and the direction of the key light and
fill. Don’t labour the diagrams; quick sketches with notes will be just as useful as perfect
graphics.
The subject
Neither an egg nor a stone, I chose to photograph a pineapple. My aim being to have an organic object with a lot of inherent form and complexity which I hoped to bring out with various artificial light, direction, colour etc
The set up
Ambient light low, so at this time of year shots were taken between 10pm.. 11pm
The pineapple was placed within a light tent with either a white background sheet or black, to introduce change in contrast within the environment.
I used two light sources:-
- Ring flash ( used in light mode ), sometimes attached to the camera, other times hand held at various angles to the subject.
-
- No mask, producing a pure white light
- white mask, produces a cooler white light
- Spot light, placed at angles around the subject or again at times hand held to introduce height to the angle. Warm white light

Technical
I used tripod to ensure a constant composition and started by creating the composition aiming to set the subject in the centre of the image with some room to see any shadows which will be formed by the lights, using zoom to set the focal length for the composition.
With camera set in fully manual mode and room lights on I used the camera’s auto focus function to focus on the subject and once set moved to manual focus mode and left alone. This ensured I had good focus for all shots and did not need to use auto-focus in low light conditions ( the sony A7R2 is known to be quite poor in this respect )
Given i was using a tripod, slow shutter speed was not an issue and i could choose aperture, shutter speed and ISO freely for a good exposure.
I found that i did not need to change this once it was set as the artificial lights used provided a fairly constant level across all the shots.
f11, ISO 50, Focal length 36mm, SS 0.4s (typical)
White balance 5500 (typical)
1: Masked Ring light, above slightly right.

2: Spotlight, Left (in light tent).

3: Masked Ring light, on camera.

4: Unmasked Ring light, above subject.

5: Spotlight, above slightly behind.

6: Masked Ring light, above right.
Spotlight, above left.

7: Unmasked Ring light, directly above.
Spotlight in front

8: Spotlight, in front.

9: Spotlight, left ( outside of light tent ).

10: Unmasked Ring light, above slightly in front.

11: Spotlight, above right.

Conclusions
It can be seen across all images above the variety of detail available in the pineapple which is either enhanced and brought out by certain lights sources and at certain angles. For instance:-
In 11 with warm light from the spotlight the full orange colour across all of the segments in the pineapple become evident, in contrast to 1 with cooler light and white background there is far less orange colour from the pineapple.
The perceived size of the pineapple can be influenced by the light source, compare 8 and 9. 8 appears larger given all of the front of the pineapple is in full light, whereass with 9 the right hand side of the pineapple is in shadow.
Depth and clarity of detail between 5 and 7. In 5 with the light above but slightly behind the detail in the segments on the front of the pineapple are flat and lacking in depth or contrast and detail. With the addition of full light in front the full detail of the pineapple becomes clear.