As the projection distance increases, physics tell us that the intensity of light decreases. In order to achieve bright images at greater distances, telephoto lenses are used. They bundle the light and restore the intensity and brightness. For short projection distances, standard or wide angle lenses can be used. With adequate light output you can achieve larger images. Smaller images are brighter, larger images are dimmer.
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Standard
A standard lens with a medium focal length is included with every graphic projector. It is suitable for most situations. |
Telephoto
A telephoto lens with a long focal length projects a smaller and brighter image. Telephoto lenses allow bright projections over long distances. |
Wide Angle
A wide angle lens enlarges the projected image. As a result, the amount of light is distributed over a larger area and the image appears darker. |
Extreme Wide Angle
Extreme wide angle lenses are normally used when the distance between projector and surface is very short. |
compatible with GL 100 HAL, GL 150 economy, GL 200
compatible with GL 575, GL 700 EL, GL 1200 EL, GL 575 A compact, GL 700 A compact, GL 1200 A compact
Punchline Developments is a Fit-out & Refurbishment Contractor specialising in sectors of industry such as retail, hospitality, leisure and food. Punchline Developments provides turnkey solutions that bring innovative interior design, first class fit-out and quality workmanship under a team of Qualified Tradesmen and Skilled Craftsmen providing excellence with a personalised service.
Punchline Developments has positioned itself today as one of the most successful, sought after Specialist Fit-Out Contractors in Ireland with a wide variety of repeat business Clientele in both private and public sectors including; Spar, Brambles, GBK, Bagel Factory, Tedcastle Oil Products Depot, Ashbourne Rugby Club (IRFU Training Grounds & Club House) to name but a few.
