Double or multiple exposures are an illusion created by layering images (or portions of images) over the top of each other. This can be achieved in the camera settings, or on Adobe Photoshop by creating layers and then using blending options and opacity control. Artist have used these techniques to explore Surrealist Ideas and evoke dream-like imagery, or imagery that explores time / time lapse.
Some artist examples:
Some of my examples:
Made in camera:
Made in photoshop:
