No. But small sections of lenses behave like prisms.
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That's a "lens".
lens
The "L" in DSLR stands for "single-lens reflex." It refers to the camera's design, which employs a mirror and prism system that allows the photographer to see directly through the lens and capture an accurate representation of the image.
There's the rectangular prism, the triangular prism, hexagonal prism, pentagonal prism, the cube, and the octagonal prism.
A Triangular Prism A Rectangular Prism An Octogonal Prism (basically 3D Shapes)