Product Warranties

All products on this website are covered by manufacturers' warranties of varying duration. If you would like to receive a copy of the warranty for any product, please call or write to our customer service department.

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Frequently Asked Questions

Instructions Download

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Binoculars & Military Binoculars

General Instruction 6,240KB

Telescope Mounts

AZ mount 491KB

EQ1 and EQ2 mount 812KB

EQ3-2 and EQ5(EQ4) mount 2,091KB

HEQ5 mount 961KB

Auto-Tracking Mount 2,489KB

Auto-Tracking Telescopes

Auto-Tracking Telescope Manual 2,431KB

Descriptions & Specifications of GOTO EQ3 System 14KB

Descriptions & Specifications of GOTO EQ5 System 14KB

Syntrek Hand Control Manual 110KB

Synscan Hand Control Manual (for Version 2.05 and Before)  524KB

Synscan Hand Control Manual (for Version 3.0) 742KB

Synscan Hand Control Manual (update for Version 3.11) 35KB

Motor Drives

EQ1single axis 132KB
EQ1 single axis with hand control 226KB
EQ2 single axis 146KB
EQ2 single axis with hand control 205KB
EQ3-2 single axis 117KB
EQ3-2 dual axis 249KB
EQ5(EQ4) single axis 228KB
EQ5(EQ4) dual axis 301KB

Operating Your Telescope

Collimating Newtonian Reflectors (including Dobsonians) 99.2KB
Collimating Refractors with the Adjustable Objective-lens Cell 61.3KB
Polar Alignment for EQ1 and EQ2 Mount 17.9KB
Polar Alignment for EQ3-2 and EQ4/5 Mount 28.5KB
Using the Setting Circles for EQ1 and EQ2 Mount 50.1KB
Using the Setting Circles for EQ3-2 and EQ4/5 Mount 49.9KB
Using the optional Polar Scope for EQ3-2 and EQ4/5 Mount 153KB
Using the Red Dot Finder 63.5KB
Installing the Pre-Assembled Tripod 69.2KB
Pointing an Equatorial Telescope 155KB

Firmware for Synscan Download

Please read carefully and follow the instruction when you update the firmware.

Firmware Update Instructions 198KB

Synscan Firmware V3.20 179KB

Our Favourite Resources

The Binoculars Site

Recommended Website for Binoculars.

Binoculars Basics

Basics for Binoculars using out door.

Sea & Sky

Like to know more about astronomy? You can find latest information here.

Sky and Telescope

The web site of a astronomy magazine.

Telescopes & Binoculars, Choosing & Using

Some advices from astronomy organization.

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