Digital Systems Helsinki Oy is a provider of products and services such as conversion services, archive to microfilm,microfilm developing machines,microfilm printing equipment,microfilm viewing equipment,microfilm insertion devices,microfilm reproduction equipment,microfilm cameras,microfilm enlargers,microfilm punch card equipment,microdensitometers,microfiche cameras,microfiche reproduction equipment,microfiche reading and printing machines,microfiche retrieval systems,microfiche filing cabinets and systems,lamps, microfilm projection,mirrors for microfilm apparatus,number and date stamping machines for documents to be microfilmed,computer output to microfilm (com) systems,lenses, microfiche filming,microfilm filing cabinets and systems,photographic lenses, mounted, microfilm.