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Specifications
Model
POLARIE U Star Tracker
R.A. Slow Motion Control
Wheel and worm gears full circle micro movement,
58.4mm in diameter, 144�tooth, made of Aluminum alloy
Worm Gear Shaft
9.8mm in diameter, made of brass
R.A. Axis
40mm in diameter, made of aluminum alloy
Number of Bearings
2 pieces
Drive
Pulse Motor
Maximum Loading
Capacity
(Including the camera
mounting block)
For photography with celestial tracking rate
Standard: 2.5kg / 5.5 lbs., Upgraded: 6.5 kg / 14 lbs.,
Time�lapse: 10kg / 22 lbs., at the distance of 10cm from
the rotation axis.
Tracking Rates
Celestial, 0.5X Celestial, Solar, Lunar, Nothern hemisphere,
southern hemisphere)
(Remote settings are available with a Smartphone.)
Sight Tube Finder
It is used in the northern hemisphere to guide the unit to
Polaris. 8.9 degrees field of view with no magnification.
(Fits in the accessory shoe.)
Polar Scope
Polar alignment scope PF�LII is optional. Polar scope arm
bracket sold seperately is needed.
Leveling
Bubble level for time�lapse photography.
Tripod Adapter Block
3/8�inch camera screw sockets (2 places) with a
conversion adapter for 1/4“ screw, compatible with
attachment plates of the standard thin type.
Shutter Release Terminal
2.5mm female jack for tripolar stereo mini plug
Pinout: Full Shutter release, half shutter and common, in
order from center to outward
Autoguider Port
6�pole 6�wired modular jack (for an external autoguider)
External Power Supply Port
USB Type�C
Power Source
AA batteries x 4: Alkaline, Ni�MH rechargeable, Ni�Cd
rechargeable
External power supply: Available with USB Type�C
Working Voltage /
Electricity Consumption
AA batteries: DC 4.8V to 6.0V, Max. 0.6A (at 2.5kg
loading weight)
External power supply: DC 4.4V to 5.25V, Max. 0.3A
(at 2.5kg loading weight)
Working Duration
About 7 hours at 20 degree C (68F) temperature, with the
use of Alkaline batterie.
Wi-Fi
Application software that works on smartphones is required.
Operating Environment
for Application Software
OS: Android 4.4 and over or iOS 9.9 and over*,
Wi�Fi: IEEE 802.11b/g, Data Encryption Method: WPA2�PSK
*Be sure to confirm the operation of the application, as some
smartphones do not meet the requirements.
Operating Temperature
0 degree to 40 degree C (104F)
Dimensions
88.5mm x 72mm x 110.5mm
Weight
575 g / 1.26 lbs. (without batteries)
Optional Accessories
Polar alignment scope PF�LII, Polar scope arm bracket,
Polar fine adjustment unit DX, Polar meter