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Dream
Astrograph - 16" (406.5mm) f3.75 - cellular mirrors |
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This
telescope now comes standard with a cellular primary (~13 lbs) and cellular
secondary mirror
(less than 1.5 lbs), plus the new 4" focuser that allows use of
either the 3" or 4" (standard) coma correctors. |
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Upgrade
to the standard 4" coma corrector at a later date without
the need for taking the focuser off the telescope or cost of
buying a larger focuser. |
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OTA diameter - OD |
tube length |
focal length |
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tube: 20.0" |
55.25" |
1520mm - f3.75 |
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add 2.25" for
back filter |
optional barlow (1.8x): |
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2725mm - f6.7 |
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secondary |
weight - pounds |
price |
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5.75" cellular |
~59 |
tube:
$22,750 |
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sized for 100% illumination
of CCD chips as large as 36mm square |
this weight includes
the focuser, 3" coma corrector and filter assembly |
clamshell rings are not required for
mounting, only a dovetail plate |
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Click on the photo to the left
to see the secondary assembly and 1.4 pound cellular secondary
mirror. |
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Click on the photo to the right
to see why this telescope does not need clamshell/mounting rings. |
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Click on the image above to see details about this
telescope. |
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The 16" Dream Astrograph OTA is shown to the
left with the included Dream PDF
electronic focuser. |
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The two cables coming from inside are temperature
probes for inside ambient and mirror temperatures. These are
optional accessories for the Dream Astrographs. |
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KAI-11000 chip: 9 microns square, 4008 x 2672. |
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Field of view: 54.3' x 81.5' |
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Arc-seconds/pixel: 1.22 |
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Click on the image below to see the 74 gram LodeStar
autoguiding camera attached to the 4" Off-Axis Guider and
custom 4" coma corrector. |
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