The phrase "a special viewer" is correct and usable in written English.
It can be used to refer to a specific type of viewer or audience that has unique characteristics or privileges.
Example: "The film was screened for a special viewer who had contributed significantly to its production."
Alternatives: "an exclusive audience" or "a unique spectator".
The series is made up of rare stereoscopic images, best looked at through a special viewer.
Portions of the CCE are available only in microfiche form (a photographic format requiring a special viewer).
The images appear inside a Web page loaded with a special viewer with controls for zooming, panning, and rotating the 3-D model.
His early works are mostly stereographs (two-part photographs that give the illusion of three-dimensionality when seen in a special viewer, or stereoscope; the museum provides glasses that perform the same function).
In some schemes, users also need a special viewer or player program that is deemed to be secure meaning, for example, that the printing function is disabled if a particular user's rights do not include printing.There are other differences between the various systems on offer.
The London Stereoscopic Company specialised in carte de visites – small photographs printed on cards that were often traded by collectors or used by performers for publicity purposes – and, as their name suggests, they were all in stereo which, when seen through a special viewer, gave the illusion of a three-dimensional photograph.
For example, a football club could offer a special spectator app to let viewers keep track of players' speed, etc.
Possibilities include digitising; using a special multi-viewer; using a dental viewing box; or loading an analogue multi-viewer alongside the soft-copy 5 MP monitors.
Utilizing a tablet or iPhone with a special app, viewers can then "read" information transmitted from the garments, essentially letting the audience play amateur geneticist. .
On this basis, a special 'Diff-Viewer' can be implemented in the future to visualize the differences between versions and additionally allow the user to revert changes to an older version.
"Fox & Friends" featured a live audience on the show for the first time ever and decided to treat these special viewers to a snack.
