iOptron ZEQ25GT Install Counterweight, Attach and Balance an OTA on the Mount Connect Cables

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(1)Remove CW Shaft Locking Screw from the CW Mounting Nose.

(2)Insert CW shaft into the CW Mounting Nose as indicated in 2nd photo below.

(3)Lock it using CW Shaft Locking Screw from the other side of the CW Mounting Nose. Tighten the Front CW Positioning Screw which is located in front of the CW Mounting Nose.

If the latitude of the observation location is lower than 10º, thread in the Rear CW Position Screw (a hex head set screw) before tightening the Front CW Positioning Screw to avoid CW hit tripod legs. Then tighten the Front CW Positioning Screw.

CW Locking Screw

CW Bar

Rear CW Position Screw

Counterweight

CW Safety Screw

Figure 11. Tilt counterweight shaft for low altitude

Figure 12. Install counterweight

STEP 6. Install Counterweight

Remove CW Safety Cap at the end of CW Shaft. With the wider opening towards the shaft end, guide CW through the shaft. Use the CW Locking Screw to hold the CW in place. Place Safety Cap back onto the shaft. ZEQ25 comes with a 10.4 lbs (4.7kg) counterweight. It should be able to balance a total payload of about 13 lbs (6kg) for a 6” diameter telescope. An optional CW or extension bar is needed for a heavier payload or a larger diameter Telescope.

STEP 7 Attach and Balance an OTA on the Mount Connect Cables

After attaching an OTA and accessories to the mount, the ZEQ25 mount must be balanced in both R.A. and DEC axes to ensure minimum stress on the mount (such as gears and motors inside).

CAUTION: The telescope may swing freely when the R.A. or DEC Gear Switch is released. Always hold on to the OTA before you release the gear switch to prevent it from swinging. It can cause personal injury or damage to the equipment.

Release Tension Adjuster by turning it counterclockwise. Turn Gear Switch knob 90 degree to OPEN position to disengage the worm from the worm wheel.

Tension Adjusters

Gear Switch

LOCK

OPEN

Figure 13. Gear Switch operation

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Contents IOptron ZEQ25GT Balanced GoTo Equatorial Mount Table of Content Ioptron TWO Year TELESCOPE, MOUNT, and Controller Warranty ZEQ25GT Overview FeaturesZEQ25 Terms Parts List1ZEQ25 assembly terms mount and tripod Assembly TermsGo2Nova 8408 Hand Controller ZEQ25 PortsLCD Screen Key DescriptionSlew Speed Current Time ZEQ25 Mount Assembly ZEQ25GT Mount AssemblyIntroduction Select Mount Latitude Range Tripod SetupInstall Counterweight CW Shaft Adjust LatitudeAttach the ZEQ25 Mount Attach and Balance an OTA on the Mount Connect Cables Install CounterweightSetup Hand Controller Important Notes on Tension AdjustersConnect Cables Set Local Time Polar Alignment Set Observation Site CoordinateQuick Polar Alignment Return Mount to Zero Position BrightStar Polar AlignmentZero position Getting Started Setup the Mount and Polar AlignmentManual Operation of the Mount Initial Star AlignmentStar Identifying Function Gear Tension AdjustmentTurn Off the Mount Slew to an Object Complete Functions of Go2Nova 8408 Hand ControllerSync to Target Set Up ControllerTrack Below Horizon Meridian TreatmentSet Polar Light Firmware InformationAlign Set User Objects PEC OptionPole Star Position PEC PlaybackTo Zero Position Set Guide RateMaintenance Maintenance and ServicingIOptron Customer Service Battery Replacement and Disposal InstructionsGPS Appendix A. Technical SpecificationsMenu Appendix B. Go2Nova 8408 HC Menu StructurePage Appendix C. Firmware Upgrade Appendix D. Computer Control an ZEQ25GT Mount Messier Catalog Appendix E. Go2Nova Star ListNamed Star List Modern Constellations Deep Sky Object List Double Star List SAO Atik Ioptron TWO Year TELESCOPE, MOUNT, and Controller Warranty
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ZEQ25GT specifications

The iOptron ZEQ25GT is a highly regarded telescope mount that integrates advanced technologies and user-friendly features, making it a top choice for both amateur astronomers and seasoned stargazers. Its design focuses on portability, versatility, and precision, which are essential for anyone looking to explore the night sky.

One of the standout characteristics of the ZEQ25GT is its exceptionally lightweight and compact design. Weighing just 27 pounds, it is one of the lightest mounts in its class, allowing for easy transport and setup at various observing locations. Despite its lightweight form, the mount supports a significant payload capacity of up to 28 pounds, allowing users to attach a variety of telescopes and imaging equipment.

The mount's innovative design incorporates a unique "Hybrid" mount architecture, which combines features of both German and fork mounts. This enables a more streamlined setup and better balance during observation sessions. Additionally, the ZEQ25GT employs a patented design where the counterweight shaft is positioned above the mount. This design eliminates the need for a long counterweight bar, further enhancing portability and reducing setup time.

In terms of technology, the ZEQ25GT features iOptron’s renowned GoTo system, which provides users with access to a database of over 200,000 celestial objects. The system is equipped with dual-axis tracking and ultra-quiet servo motors, ensuring smooth and precise movement when tracking celestial objects. The built-in GPS allows for quick and accurate location setup, making it easy for users to begin their astronomical adventures with minimal delay.

Moreover, the ZEQ25GT includes an innovative SmartStar technology, enabling automatic alignment and calibration. This feature is particularly beneficial for newcomers, as it simplifies the setup process and reduces the learning curve associated with equatorial mounts. Users can control the mount via a hand controller or through a computer interface using iOptron's iControl app for smart devices, offering additional flexibility and convenience.

Durability is another important aspect of the ZEQ25GT, constructed from high-quality materials that ensure longevity and reliability. Its solid aluminum body not only contributes to its lightweight nature but also assures stability during use, which is crucial for astrophotography and high-magnification observations.

In conclusion, the iOptron ZEQ25GT is a cutting-edge telescope mount that combines portability, advanced technology, and user-friendly features, making it an excellent choice for astronomers at all levels. Its innovative design, robust performance, and ease of use truly set it apart in the competitive landscape of astronomical equipment.
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