Over a career spanning four decades, he worked on around 250 films and played a key role in advancing the use of technology in the industry, particularly in colour, cinemascope, and 70 mm formats.
Swamy quickly established his reputation and became a registered member of the Western India Cinematographers Association (WICA), a prestigious achievement at the time for aspiring cameramen.
A notable example was a shot through N. T. Rama Rao's boots in the song "Inthenaya Telusukovaya," which gained attention for its unique visual impact.
Following his recommendation, Krishna imported the necessary lenses from Mumbai, allowing the film to be shot in this format, which significantly improved its visual appeal.
[5] Swamy's cinematography significantly contributed to the success of many blockbuster films, including Mosagallaku Mosagadu (1971), Bhakta Tukaram (1973), Devudu Chesina Manushulu (1973), Alluri Sitarama Raju (1974), Bhakta Kannappa (1976), Siri Siri Muvva (1976), Khaidi (1983), Kondaveeti Donga (1990), Aditya 369 (1991), Rowdy Inspector (1992), Samarasimha Reddy (1999), Narasimha Naidu (2001), and Indra (2002).
His technical ingenuity was evident in films like Mosagallaku Mosagadu, Alluri Sitarama Raju, and Aditya 369 where he created innovative visual effects without modern technology.