| CCSTID | STRA18504S |
| Brand | Royer |
| Sub | |
| Model | Altessa I |
| AKA | |
| Factory Ref. | |
| Introduced | 1952 |
| Estimated price US$ | 300 |
| Other name | Societe Industrielle de Technique Optique, SITO |
| Type – see definitions | Viewfinder |
| Format | 120 |
| Country | France |
| Transactions sampled | 8 |
| Last upload | 05-Aug-26 |
| Art | FALSE |
The estimated value presented above is an average of 8 transactions recorded over the past years. This should be taken as guidance only, as a value of a specific camera can be over or under the value suggested here and further depends on the seller and buyer’s eagerness. 
Royer Altessa I Viewfinder 1952 France
