iOptron SkyGuider 3550A Instruction Manual page 4

Figure 2. SkyGuider
Features:

All metal mechanical structure

Attaches to a camera tripod with 3/8" or 1/4" threads

Capable for dual mount application up to 11lbs (5kg) + 7.7lbs (3.5kg), balanced

Silent tracking for smooth camera motion, perfect for long-term exposures

Detachable alt-azi base with fine latitude and azimuth adjusters for easy polar alignment

Includes iOptron AccuAlign

Adjustable polar scope illumination

iPolar electronic polar scope (#3550A only)

4 tracking speed (1X, 1/2X, solar and lunar). 1X celestial tracking for imaging the sky and
stars; 1/2X tracking speed for imaging both the starry night and the landscapes at the
same time

Operation in both northern and southern hemisphere

Quick slew (144X) for camera framing adjustment

Built-in rechargeable battery for up to 20 hours of operation (20°C)

Built-in ST-4 autoguiding port
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HBX port for external hand controller
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Micro USB port for power, charging and firmware upgrade

Built-in shutter triggering port

Padded carry bag included
TM
Pro mount system (tripod not included)
TM
dark-field illuminated polar scope
4