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Comparison
& Cost Software Go-Dome Films Installations
Contact
DomeView
Funding Finder Extras Images
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"Some
day
in
the
not
too
distant
future |
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"A dome
is such a great shape to project |
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THE AFFORDABLE |
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Discovery Dome is the very latest
projection system for small to medium digital dome theatres.
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| Hot stuff! :
Microsoft recommends
Discovery Dome (Go-Dome)
for its WorldWide Telescope
software! |
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| Mirror advantages | Mirror disadvantages | Fisheye advantages | Fisheye disadvantages |
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Fully modular system: as projectors improve,
you simply upgrade to a new one |
Small area at the back of the dome not covered (4%)
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100% dome coverage
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Lenses custom-made for projectors, making
projector upgrades almost impossible
without a new lens as well |
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Local service on international projector brands
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Brief time required to
align mirror |
Slightly easier to set up
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System considerably more expensive
overall
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Projection equipment
located
at
the
back
of
the dome, leaving the central (best) seats for customers, allowing 20% more seating space |
Slight image distortion at
the back of the dome |
Fisheye photos can be
displayed immediately |
Projection equipment located at the
centre of the dome, taking up the best viewing space
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Mirrors are far less expensive to
replace
than fisheye lenses |
Projection equipment and cables can be
easily tampered by audience |
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Larger fraction of projector's pixels are used ie. over 75% instead of 45%
for
an
imbedded
circle (see below).
A better quality image is therefore produced at the front (where the audience is looking) |
Fewer projected pixels (see below). A
better quality image is produced at the rear (where the audience is not looking)
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So Mirror projection uses 316,512 more pixels ie. almost a THIRD (28%) better resolution!
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| Fibreglass
Newtonian
mirror projection box (also available in wood)
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![]() The basic components of a mobile system are laptop, projector, primary mirror, secondary mirror and fold-up stand. Unlike other fulldome digital projection systems, this unit is placed at the edge of the dome and does not occupy valuable audience space (click on images to see a larger version) |
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| Extremely portable Below is all the equipment of a 5-m system, on one easy-to-transport trolley (ie. 5-m dome, fan, projector, 200W speakers, laptop, mirror & stand) |
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| Being small and compact, the projection stand and mirror cast a very small shadow on the back of the dome (see below) |
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