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4. COMMENTARY
4.1 External appearance design
This product follows the same design concept and coloring as the earlier models, LV-
7325/LV-7320 to establish a unified image for Canon Multimedia Projectors. Some of
the major design points, which are basically the same as the other Canon Multimedia
Projectors, are outlined below.
● External Styling
The body is designed with subtle curves and the coloring and semi-transparent body
panels follow the lead of the LV-7300 series. Indications of the excellent lens
performance are printed around the lens to convey an impression of high picture
quality.
● Operating Keys
The operation and cursor key layout is a simple, intuitive layout with grouping to
insure ease of use.
● Coloring
The body of the projector is colored glacial blue. The front of the unit, with an
appearance fittimg a product from an optical equipment manufacturer, has an
aluminum lens ring and is colored arctic silver. The overall effect is to emphasize the
lens and evoke a sophisticated image.
The operating keys are a special "mercury silver" color that is easy to see in dim light
and also serves as a design accent point.
4.2 Projection lens
The newly developed zoom optics system, which has XGA-compatible/F1.7 specs.
The major features are follows.
● Lens construction: f=28.8 - 34.5mm/F1.7-1.9 (11 groups 12 elements)
The projection lenses are grouped into six sets, and each set plays an important role
in improving the optical performance, while also helping to keep the system compact
and yet sophisticated.
Specifically, there is a large aperture lens group that contributes to the brightness of
the system; a lens group that improves the efficiency of the illumination so that the
brightness of the image is maintained all of the way to the edges of the projection
screen; a lens group that contributes to color difference compensation by using low-
diffusion glass; and others. With a multi-lens optical configuration that consists of 12
lenses in 11 groups, the optical system functions as a large aperture projection lens
that offers excellent resolution and low distortion.
● All lens surfaces are multi-coated
All lens surfaces are multi-coated to suppress surface reflections and to provide
excellent resolution.
Part 1: General Information
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