lumogeny

Four portrait lights, one softbox

Butterfly, loop, Rembrandt and split are the same light in four places. Pick one on the strip and watch the softbox walk round the clay head.

Light
one softbox, 30 cm, 5600 K
Camera
85 mm, f/5.6, 1.07 m from the face
Backdrop
grey, 1 m behind the head
Made in
Blender Cycles; a synthetic clay figure, not a person
The clay head in Rembrandt light: the shadows of the nose and cheek meet and leave a small triangle of light on the cheek of the shadow side, under the eye.
A render: a synthetic clay figure, not a person.
seen from abovebackdrop 1 m behind60°1.00 msoftboxcamera50 cm
seen from the sideeye level40°+84 cm1.00 m

Butterfly light

The softbox high and straight in front, above the camera.

Angle
straight ahead
Height
77 cm above the eyes (35°)
Distance
1.34 m from the face

What to look for

The nose casts a small butterfly-shaped shadow just below it and the cheekbones stand out (also called Paramount light).

Seen in the atlas

In Hollywood glamour portraiture. Ruth Harriet Louise, Greta Garbo, 1927. Wikimedia Commons, public domain (PD-old-80-expired). Source

Loop light

The softbox about 35° to camera left and a little above the eyes.

Angle
35° to the camera’s left
Height
52 cm above the eyes (24°)
Distance
1.29 m from the face

What to look for

The nose casts a small loop of shadow towards the corner of the mouth that does not join the shadow of the cheek.

Seen in the atlas

In Daguerreotype portraiture. George Hurrell, Ramon Novarro, The New Movie Magazine, February 1930. Wikimedia Commons, public domain (PD-US-not renewed). Source

Rembrandt light

The softbox high and about 60° to camera left.

Angle
60° to the camera’s left
Height
84 cm above the eyes (40°)
Distance
1.31 m from the face

What to look for

The shadows of the nose and cheek meet and leave a small triangle of light on the cheek of the shadow side, under the eye.

Seen in the atlas

In Hollywood glamour portraiture. Laszlo Willinger, Lauren Bacall, Modern Screen, March 1946. Wikimedia Commons, public domain (PD-US-no notice). Source

Split light

The softbox directly beside the face at camera left.

Angle
90° to the camera’s left
Height
7 cm above the eyes (3°)
Distance
1.30 m from the face

What to look for

One half is lit and the other half is in shadow.

Seen in the atlas

In Subjektive Fotografie. A photograph in the atlas shows it but is in copyright: Bildnis Hell-Dunkel.

Add one light at a time

The same three objects with one light, then two, then three. Watch the shadows open and the edges appear. Plans to scale, seen from above.

  1. Render of three objects on a table. One light: A softbox high at camera left, no fill.

    One light

    backdropkeycamera1.9 m50 cm

    A softbox high at camera left, no fill.

  2. Render of three objects on a table. Key and fill: The same key, plus a large dim fill at camera right (about 4:1).

    Key and fill

    backdropkeyfillcamera1.9 m50 cm

    The same key, plus a large dim fill at camera right (about 4:1).

  3. Render of three objects on a table. Three-point: Key, fill and a gridded strip light behind at right as a rim.

    Three-point

    backdropkeyfillrimcamera1.9 m50 cm

    Key, fill and a gridded strip light behind at right as a rim.

Try