With the experience that we have had with digital projectors in the corporate segment, after a point of time, the quality of pictures (sharpness and brightness) reduce. Of course, the remedy might be to replace the imaging block as you have suggested. Regarding piracy, your point it taken as it is the same for digital as well as analog technologies and there was a point in the advantages section that piracy can be more effectively monitored with digital cinema (Note: Monitored, not prevented). Hopefully, in the future new digital technologies would be introduced which can contain piracy. It is good if not much re-designing is required for digital cinemas, and if the projectors are similar in form factor. All technology is prone to obsolescence – but how many theatre owners, who have already installed 2k projectors, would be willing to change them to 4k projectors immediately? What if a 6k projector comes within a couple of years… what we were trying to say is – digital technologies are prone to obsolescence faster – when compared to the analog projection techniques which were quiet consistent for decades!

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Film projectors require more regular maintenance than digital projectors.

“Digital data always has a higher risk of getting pirated” – The security of dcinema content is the strongest possible, and has been validated for years by protecting medical records. Camcorder piracy remains the simplest way to steal content, digital or film-based.

“re-designing for the theatre owners” – ? Dcinema projectors are comparable in form factor to film projectors, even using the same lenses and lamps. Just push the old beast aside and install the new one.

“Digital technologies are prone to technological obsolescence”. All technology is prone to obsolescence. Film projectors already are…