The Simmon Brothers Omega 120 is a medium-format roll-film camera, a relatively uncommon American-made model from the mid-twentieth century. It sits in the specialist collector segment rather than the mainstream user market, which limits how often examples come up for sale.

Sales data for the Omega 120 is very thin: a single recorded UK auction hammer result of £275 (a wholesale saleroom price, not a retail figure) is the only reference point available, so today in 2026 a defensible value sits around that level for a complete, working example. With only one data point there is no meaningful range or median to quote, and what an Omega 120 is worth in practice will swing significantly with condition, completeness and bidder interest on the day.