Uploaded March 2026 | Updated September 2026, 1 week ago

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Legendary cinematographer Peter James ACS ASC explains the "harp test" (also known as a nail chart). It is a classic method for checking lens accuracy and depth of field.

It’s a reminder of how technical precision, storytelling, and creative choices intersect in cinematography, and how lens imperfections can even be used intentionally for effect.

#Cinematography #PeterJames #CameraPrep #CinemaLenses #Panavision