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Thin /// Accurate /// Repeatable /// Rock Solid!
FLI's digital focusers are specifically
designed for modern CCD astronomy where the digital imaging
system is mounted very close to correct focus. The thin designs allow
focusing with short-travel optical designs. All of our focusers are ASCOM
compliant and are supplied with a trial version of FocusAide.
For critical focusing - use an
FLI Focuser
Jupiter, Ganymede and Io using an FLI Focuser with 14.5" RCOS
Note the surface markings on Ganymede!
Image by G. Terrance
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Specifications |
|
Model |
PDF |
DF-2 |
| Diameter |
8.0" |
5.0" |
| Longest
Dimension |
8.0" |
6.55" |
|
Minimum Body
Thickness |
1.0" |
1.0" |
|
Minimum Travel |
.350" |
.200" |
|
Full Travel Steps |
7000 |
2000 |
|
Load |
25 lbs. |
15 lbs. |
|
Axial Load |
15 lbs. |
8 lbs. |
| Camera
Side - Pocket |
4.10" diameter / .25" depth |
2.930"
diameter / .28" depth |
| Telescope
Side - Threads |
3.750" -24 UNS-2B |
2.005" -
24 UNS-2B |
|
Clear Aperture (inner shield) |
3.45" |
1.90" ID |
|
Focuser material |
Aluminum |
Aluminum |
|
Standard cable length |
N/A, Direct USB |
15' |
|
Power Supply Output |
12VDC, 1000 mA |
12VDC, 1000 mA |
|
PC Interface |
USB |
USB |
| Weight |
2.4 lbs |
2.0 lbs |
| Suggested
List Price |
$1450 |
$1095 |
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