The Bureau of India Standards (BIS) has issued a Notification withdrawing several standards in cinema and photography. The notification was issued on 16th October, 2023.

The notification elucidates that the BIS has withdrawn 42 standards.

Some of the standards contemplated by this notification:

• IS/ISO 3023 : 1995 Cinematography – 65 mm and 70 mm Unexposed Motion-Picture Film — Cutting and Perforating Dimensions
• IS 4496 : 1968 Screen Luminance for the Projection of 16 mm film by Incandescent Lamps
• IS 4497 : 1977 Specification for 16mm Portable Sound and Picture Cinematograph Projectors (First Revision)
• IS 5260 : 1969 Buzz-Track Test Film 16mm
• IS 5261 : 1969 Sound Focusing Test Film 16 mm 13 October 2023
• IS 5262 : 1969 Registration Test Film 16 mm
• IS 5263 : 1969 Multi-Frequency Test Film 16 mm
• IS 5264 : 1986 3150 Hz Flutter Test Film for 16 mm Cinematograph Projectors

The BIS has stated that all of these 42 standards will be withdrawn with effect from 13th October, 2023.

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