Ricoh GXR Brochure & Specs - Page 4
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An original system expanding range of expression with
interchangeable units
GXR is a unique camera system that
consists of a body and camera units.
Each camera unit contains a lens (focal
lengths differ between units), an image
sensor of optimum type and size for
the unit, and an image processing
engine. By changing units, the photog-
rapher can handle a diverse shooting
range in a way that satisfies sophisti-
cated requirements for photo expres-
sion. The slide mechanism for attachment/
removal enables smooth camera units
changes.
Compact, high-performance lens design at a level only possible
with the interchangeable unit system
It is the lens that gives life to the photograph. In interchangeable lens
camera systems up to now, the distance from the mount and the back of the
lens to the sensor image plane was subject to requirements for flange back
distance and back focal length. This made it difficult to achieve both com-
pactness and high optical performance.
Eliminating the lens mount, however, means that the back focal length can
be freely defined for the GXR, enabling it to use the most optically
efficient lens designs with the minimum size. In addition, combining the
lens and image sensor increases design flexibility so camera units can be
developed based on a variety of concepts. This practical inspiration has
given birth to a totally new camera system with portability, high image
quality and superb expandability and growth potential as a system.
Compact size, high image quality, and unlimited
A highly airtight system so no worrying about dust when
changing lenses
The ease with which dust can adhere to image sensors has been a system
problem for interchangeable lens digital cameras up to now. In the case of
GXR camera units, however, the lens and the image sensor are integrated
into a single unit. This structure makes it difficult for dust to get in since it
is not necessa r y t o ex pose t he
inside of the camera when changing
lenses. In addition, the inside of the
units are highly airtight with light-
shielded walls. Even in highl y
d u s t y s h oo t i n g e n v i r o n m e n t s,
camera units can be changed with-
out hesitation.