Griven AD 3312, Руководство пользователя

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3.3 Light Beam Angle Adjustment
3.4 Optic System
Niagara is equipped with a Ø79 glass and it project a 42° wide beam. A Fresnel lens kit and an
Horizontal/Vertical expansion filter are available upon request as well.
NOTE: The Fresnel lens replaces the glass pre-mounted on the new unit. The Horizontal/Vertical
expansion filter should always be used in conjunction with the Fresnel lens.
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Fresnel lens
expansion filter
Fresnel lens
elastic ring
elastic ring
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19° LIGHT BEAM
48° LIGHT BEAM
15°