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BS 5550-7.1.1 PDF
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Cinematography. Production and presentation. Light sources and lighting
| Published by | Publication Date | Number of Pages |
| BSI | 06/20/1961 | 14 |
BS 5550-7.1.1 – Cinematography. Production and presentation. Light sources and lighting
Dimensions, optical performance of five types of lamp for 16 mm and 35 mm cinematograph projectors and similar applications. Lamps with bayonet and pre-focus caps, bulbs of pear and tubular shape, transverse and axial filaments. Values for initial light output and current consumption, minimum lumen output maintenance, hours life. Sampling batch testing.
Cross References:
BS 52
BS 354
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