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high-intensity discharge lamps used for

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High intensitydischargelamp

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Il rapporto tra la dimensione del chip (LCD o DLP™) e la lunghezza focale della lente è uguale al rapporto tra la dimensione dell’immagine e la distanza di proiezione. Ciò consente di calcolare le dimensioni ottenibili dell’immagine (data la distanza) o la distanza richiesta (date le dimensioni dell’immagine) in base alla lunghezza focale dell’obiettivo.

high-intensity discharge lamps advantages and disadvantages

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La lente di proiezione va scelta in base alle dimensioni dello schermo selezionate o alla distanza focale: calcolare la distanza di proiezione ideale e stabilire le dimensioni dello schermo in base all’ambiente è fondamentale per la buona riuscita di una videoproiezione. La lunghezza focale (‘f’) della lente è la distanza di un punto focale (‘F’ o “messa a fuoco”) dal punto principale (‘H’) sulla lente ad essa assegnato: essa è generalmente indicata sulle brochure o schede tecniche del videoproiettore con la sigla ‘f’ ed è espressa in mm.

High-intensity dischargelampdefinition

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F-Gas (Fluorinated gases) government regulations specify that a limited number of products can be sold in the European Union that contain F-gases which have been linked to climate change.

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High intensityDeskLamp

Looking for high intensity discharge (HID) lamps? Our range includes high pressure sodium (son), low pressure sodium (sox) and metal halide lamps

Esempio di calcolo. Chip = 0,7 pollici (4:3) / lunghezza focale f = 23mm.-27,6 mm 0,7 pollici x 2,54 = 1,788 cm. (diagonale del chip) 1,788 cm. x 0,8 = 1,4224 cm. o 14.224 mm. (larghezza del chip) 23 mm. / 14,224 mm. = 1,6 27,6 mm. / 14,224 mm. = 1,9

Looking for high intensity discharge (HID) lamps? Our range includes high pressure sodium (son), low pressure sodium (sox) and metal halide lamps

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