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10" f/8 RCX400 Specifications
Optical design..............................................Advanced Ritchey-Chrétien
Clear aperture..............................................254mm (10")
F
ocal length ................................................2032mm
Focal ratio (photographic speed) ................f/8
Resolving power ..........................................0.45 arc sec
F
ocus ..........................................................4-speed front focusing mechanism
Slow Motion Controls ..................................Both axes
Coatings ......................................................Ultra-high transmission coatings (UHTC)
Mounting......................................................heavy duty forks
Gears ..........................................................5.75"-dia. worm gears, both axes
Periodic Error Correction ............................Both axes
Control panel ..............................................2 multi-function, multi-port panels
Temperature Control....................................Thermal stabilization fan
....................................................................internal dew heater
Alignment ....................................................Altazimuth or equatorial w/optional wedge
Pointing Precision ......................................2 arc-minutes in GO TO mode
Slew Speeds................................................1x sidereal to 8°/sec in 9 increments
Power ..........................................................8 C-cell (user-supplied) batteries
or optional 115v AC cord
powered from auto cigarette lighter
Tripod ..........................................................Ultra-stable variable-height field tripod
Accessories ................................................8 x 50mm viewfinder
....................................................................2.0 diagonal mirror with 1.25" adapter
UltraWide 24mm eyepiece,
16-channel Sony GPS receiver,
extended sensitivity, magnetic declination
compensation
True-level and North electronic sensors
12" f/8 RCX400 Specifications
Optical design..............................................Advanced Ritchey-Chrétien
Clear aperture..............................................305mm (12")
Focal length ................................................2438mm
Focal ratio (photographic speed) ................f/8
Resolving power ..........................................0.375 arc sec
Focus ..........................................................4-speed front focusing mechanism
Slow Motion Controls ..................................Both axes
Coatings ......................................................Ultra-high transmission coatings (UHTC)
Mounting
......................................................heavy duty forks
Gears ..........................................................5.75"-dia. worm gears, both axes
Periodic Error Correction ............................Both axes
Control panel
..............................................2 multi-function, multi-port panels
Temperature Control....................................Thermal stabilization fan
....................................................................
inter
nal dew heater
Alignment ....................................................Altazimuth or equatorial w/optional wedge
P
ointing Precision
......................................
2 arc-min
utes in GO
T
O mode
Sle
w Speeds
................................................1x sidereal to 8°/sec in 9 increments
Power ..........................................................8 C-cell (user-supplied) batteries
or optional 115v A
C cord
po
w
ered from auto cigarette lighter
Tripod ..........................................................Ultra-stable variable-height field tripod
....................................................................
Accessor
ies
................................................8 x 50mm viewfinder
....................................................................
2.0 diagonal mirror with 1.25" adapter
Ultr
aWide 24mm e
y
epiece
, USB cab
le,
16-channel Son
y GPS receiver,
e
xtended sensitivity
, magnetic declination
compensation
T
rue-level and North electronic sensors
TELESCOPE SPECIFICATIONS