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.


20"

24"

32"


pricing, availability and specifications subject to change without notice