The Architect’s Camera | Evolve Back Hampi

The word camera comes from the Latin for room. The earliest idea of an image-capturing device did not involve glass or a portable mechanical device you could fit in your pocket. The earliest experiments with reproducing an image involved just a darkened room, a small hole in one wall, and the outside world appearing inverted on the wall opposite. Camera obscura. Dark room. That’s where it all begins.

The phenomenon was known to humans for thousands of years, although no one can point to an exact date. Legend has it that this was how our ancients observed solar eclipse, a safe way to study the phenomenon. There are records from China, Arabia, and Italy dating back to 1000 CE that lay out the physics involved in the phenomena. But only in the late 16th Century were elaborate dark rooms devised in Europe as tools for artists to trace their first drafts and get lifelike images for their paintings, or simply to study highlights, contrast, and how light behaves.

As a photographer, this bit of etymology has always stayed with me. Every camera I’ve ever used, from the first film SLR to the phone in my pocket, is a descendant of a room with a hole in its wall.

While the documentation about the development of the camera obscura in Europe is rich, very little is known about how much our ancestors knew about this and how they used it in art and science. There were traditions of studying light—Acharya Kanada’s Vaisheshika Sutra describes how light bounces off surfaces at predictable angles; the Surya Siddhanta addresses optics and the movement of light. Temple builders put this knowledge to work: at Konark, the Sun Temple catches the first light of dawn at its entrance; at Modhera, the sanctum aligns with equinox light; at Sringeri, the pillars of the 14th-century Vidyashankara Temple are positioned so that a different one catches the first rays each month as the sun moves through the year. But when it comes to the camera obscura specifically, the projection of an inverted image through an aperture, there are no surviving texts, no records to match what we have from the Western world.

Except there is one place standing as a testimony to experiments with light.

Even though the Virupaksha Temple is only a few minutes’ drive from Evolve Back Hampi, I only reached the temple around noon, after having spent the entire morning walking along the Tungabhadra river and photographing the unique landscapes along the bank.

The Virupaksha Temple is Hampi’s oldest continuously active shrine, dedicated to Lord Shiva, with a history going back to the seventh century. Its towering Rajagopura is a nine-storeyed entrance to the complex, fifty metres in height, built by Krishnadevaraya around 1510 CE to mark his accession to the Vijayanagara throne. The imposing structure is conspicuous from everywhere in Hampi.

What is not so visible is a dark little inner chamber tucked away inside the temple, a small opening in the wall acts as an aperture. Light from the sunlit gopura passes through and falls on the far wall as an upside-down image of the tower. The physics is familiar: rays from the top cross through the opening and hit the bottom of the wall on the other side; rays from the bottom hit the top. The image inverts. The ratio of aperture to projection distance determines the image capture. And whoever built this got it right.

This is the camera obscura, built into stone, in a temple under construction at roughly the same time Leonardo was writing about pinhole projection in Italy. If it weren’t for this surviving evidence, we might never have known the phenomenon was understood in India as well.

Was it deliberate? There is no inscription, no royal dedication, no signboard. You won’t find it on a casual visit. You have to know it’s there, or be led to it. One way to read this is as the architect’s own quiet project—a private demonstration of mastery, tucked into a corner, not meant for the king or the devotee but for the builder’s own satisfaction. A signature hidden in light.

But there’s another possibility. Temples in the ancient era weren’t just public places of worship. They were places of community, centres of learning, where culture and knowledge came together. The fractal patterns in gopura design, the acoustic properties of carved pillars, the astronomical alignments—all of it suggests these spaces also preserved and presented scientific ideas. In that reading, the dark chamber is a teaching tool: the principles of optics, demonstrated at architectural scale, for anyone curious enough to learn.

I stood in that chamber watching the wall that held this pale, inverted image of the gopura for five centuries. Around the same time this was built, the Western world was documenting and formalising the very same phenomenon with ink and paper. Here, someone did it with stone and left no manual, no explanation.

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