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[[File:Musicbox-testfilm-frames.jpg|right|thumb|300px]] | [[File:Musicbox-testfilm-frames.jpg|right|thumb|300px]] | ||
'''Test films''' are tools for calibrating, aligning, and checking [http://www.sprocketschool.org/wiki/Category:Projectors film projectors] and their components. Issues that can be diagnosed and corrected with the guidance of test films include [[ghosting]], [[focus]], [[framing]], and pedestal adjustments. They are sometimes used in conjunction with [[test equipment]]. | |||
The term generally refers to films made by technical bodies like [https://www.smpte.org/ SMPTE] or by manufacturers like [https://www.schneideroptics.com/ecommerce/CatalogSubCategoryDisplay.aspx?CID=81 Schneider Optics] specifically for test purposes. | |||
The term may also be used for any piece of footage used to test a projector, such as a fresh trailer used to conduct a [[scratch test]]. | |||
==Common types of test film== | |||
* SMPTE RP-40 | * SMPTE RP-40 | ||
* SMPTE RP-91 | * SMPTE RP-91 | ||
* sound test films | * sound test films | ||
* | |||
==Sources of test film== | |||
* [http://store.smpte.org/category_s/5.htm?searching=Y&sort=7&cat=5&show=100&page=1 SMPTE] | |||
* [https://www.schneideroptics.com/ecommerce/CatalogSubCategoryDisplay.aspx?CID=81 Schneider Optics] | |||
==Other Resources== | |||
* [File:Smpte-test-materials-catalog.pdf SMPTE Test Materials for Motion Picture and Television catalog], circa 1985 | |||
==External Links== | |||
* [http://testfilms.tumblr.com/ Tumblr page] on test film history | |||
[[Category:Tools]] | [[Category:Tools]] | ||
[[Category:Film prints]] | [[Category:Film prints]] | ||
[[Category:Projectors]] | [[Category:Projectors]] | ||