Magazine article American Cinematographer

Periscope Lens Systems

Magazine article American Cinematographer

Periscope Lens Systems

Article excerpt

A comparison of four exotic camera systems that have proved to be especially effective for moving fluidly through miniature settings

Recently there has been increased interest in periscope optical systems in cinematography for photographing models. Due to rising construction costs, full-scale sets are very expensive. On several of the recent space movies, it was found to be economical to build miniature sets. Such sets are built with great detail. Then with a periscope lens the cinematographer may get into this model for a very realistic scene.

A number of years ago, Paul Kenworthy developed a periscope or Snorkel camera system as he called it. His objective was to get the camera out of the way of the actors. This was accomplished with an optical relay system which replaced the normal camera lens. The relay was a long vertical tube on the front of which was a mirror to deviate the line of sight 90 degrees. Since the camera was out of the way, he was able to get in close to actors. Likewise the system found use for architectural models.

Since the mirror is placed at the entrance pupil location, its small size usually surprises most cinematographers. …

Search by... Author
Show... All Results Primary Sources Peer-reviewed

Oops!

An unknown error has occurred. Please click the button below to reload the page. If the problem persists, please try again in a little while.