|
|
|
|
Dream
Astrograph - 400mm f3.75 - cellular mirrors |
|
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. |
|
Upgrade
to the custom
4" coma corrector at a later date without the need for taking
the focuser off the telescope or cost of buying a larger focuser. |
|
|
OTA diameter - OD |
tube length |
focal length |
|
tube: 20.0" |
55.25" |
1500mm - f3.75 |
|
add 2.25" for
back filter |
optional barlow (1.8x): |
|
|
|
2700mm - f6.7 |
|
|
|
|
|
secondary |
weight - pounds |
price |
|
5.75" cellular |
~59 |
tube:
$26,750 |
|
sized for 100% illumination
of CCD chips as large as 37mm square |
this weight includes
the focuser, 3" coma corrector and filter assembly |
clamshell rings are not required for
mounting, only a dovetail plate |
|
 |
|
|
|
|
|
Click on the photo to the left
to see the 16" cellular primary mirror. |
|
|
Click on the photo to the right
to see why this telescope does not need clamshell/mounting rings. |
|
|
Click here
to see images taken with the 16" Dream Astrograph. |
|
Click here
to see images taken with a recent 16" Dream Astrograph while
still here at Dream, mid-August, 2009. |
|
 |
|
|
|
|
|
|
Click on the image above to see details about this
telescope. |
|
|
|
|
|
See images taken by
a California customer here. |
|
|
The 16" Dream Astrograph OTA is shown to the
left with the included Dream PDF
electronic focuser. |
|
The two cables coming from inside are temperature
probes for inside ambient and mirror temperatures. These are
optional accessories for the Dream Astrographs. |
|
|
KAI-11002 chip: 9 microns square, 4008 x 2672. |
|
Field of view: 54.3' x 81.5' |
|
Arc-seconds/pixel: 1.22 |
|
|
|
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. |
 |
|
|
|
|
|
|
