The phrase "a small camera on" is correct and usable in written English.
It can be used when describing the placement or attachment of a small camera to an object or surface.
Example: "The drone is equipped with a small camera on the underside for aerial photography."
Alternatives: "a compact camera attached to" or "a miniature camera mounted on".
There's a small camera on a stick hanging from the ceiling to record the presentations.
His best-known film, "Houses Without Doors," was born of the difficulty of shooting on the street; to make it, Kaprealian placed a small camera on the balcony of his family home in Aleppo's Al-Midan neighborhood.
With a small camera on the phone you can take pictures of yourself as you talk.
Nearby, Corlin spots a small camera on the side of a light-yellow home and marks down the address on a notepad.
There's a small camera on the sunroof that captures and records footage from inside the car, which the engineer said is "only ever used for internal purposes.
Identify a 5th-Generation iPod Nano Almost exactly the same as a 4th-Gen, but has a bigger screen and a small camera on the back, as well as a small but powerful speaker.
At the heart of their campaign is the videotape, which was recorded by a small camera mounted on the dashboard of one of the police cruisers.
One man ripped down a small camera mounted on a telephone pole.
The Emotional-Social Intelligence Prosthesis, developed by Rana el Kaliouby and Rosalind Picard, consists of a small camera mounted on a cap or glasses that monitors a conversation partner's facial expressions and feeds the data into a hand-held computer.
One MP, Adam Afriyie, suggested that a small camera fixed on to an existing meter could record readings regularly, possibly combined with a smartphone app, at a fraction of the price.
It's possible thanks to a small camera mounted on the ring.
