Astro-Tech AT 10RCF Manual

astro-tech
A T 10 RC F
Thank you for choosing this Astro-Tech AT10RCF 10"
f/8 Ritchey-Chrétien carbon fiber body astrograph.
Your AT10RCF is designed for exceptional coma-free
imaging using DSLR and large-format CCD cameras having
up to a 35mm chip size. Because of its substantial back
focus, it is particularly good with systems involving long
imaging equipment chains (camera, plus filter wheel, plus
Losmandy-style
"D-plate" dovetail
for mounting accessories
(second dovetail located
under tube for installing
scope on mount)
Mounting shoe for
optional finder
Primary mirror
collimating
screws
(1 pair of 3)
Battery pack
with attached
cable to power
cooling fans
2" thread-on
extension
ring
Secondary mirror
holder and baffle
Components of the Focusing System: Your
AT10RCF has an external rotating non-vignetting Feather
Touch #3025 3" rack-and-pinion focuser with a built-in
adapter that steps down the 3" diameter 1.5" travel
drawtube to a 2" compression ring accessory holder.
Secondary mirror
collimating
screws
Dovetail for installing
scope on mount
from
Astronomy Technologies
adaptive optics system, etc.)
This instruction sheet will provide you with information
on how to get the most out of your new Ritchey-Chrétien
reflector, and how to properly maintain your telescope so
it can give you a lifetime of high quality imaging enjoyment.
Please familiarize yourself with your scope's parts and
functions before operating it for the first time.
PARTS OF THE AT10RCF
Focuser rotation lock
knob (1 of 3)
Two 1"
thread-on
Cooling fan
extension
(1 of 3)
rings
There is also a separate 1.25" compression ring ac-
cessory adapter that can be slipped into the 2" acces-
sory holder. These allow you to use either 1.25" or 2"
accessories with no other adapters needed.
To minimize drawtube flexure under heavy loads when
1
Lock knob for
focuser drawtube
2" compression
ring accessory
holder lock
knob (1 of 3)
Coarse
focus
1.25"
knob
accessory
adapter
lock knob
1.25" compression
ring accessory
adapter
Fine
focus
knob