Orion 3 EQ instruction manual Specifications

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Your SpaceProbe 3 EQ telescope requires very little mechan- ical maintenance. The optical tube is steel and has a smooth painted finish that is fairly scratch resistant. If a scratch does appear, it will not harm the telescope. Refer to the appendix B at the end of this manual for details of how to clean your tele- scope’s optics.

8. Specifications

Optical tube: Steel

Primary mirror diameter: 76mm

Primary mirror coating: Aluminum with silicon dioxide (SiO2) overcoat

Secondary mirror minor axis: 19.9mm

Focal length: 700mm

Focal ratio: f/9.2

Focuser: Rack and pinion, accepts 1.25” eyepieces

Eyepieces: 25mm and 10mm Explorer II eyepieces, 1.25”

Magnification: 28x (with 25mm) and 70x (with 10mm)

Mount: German Equatorial, EQ-1

Tripod: Aluminum

Weight: 16.6 lbs.

Motor drive: Optional

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Contents Orion SpaceProbe 3 EQ EZ Finder EZ Finder II bracket Unpacking Table of ContentsParts List AssemblyBalancing the Telescope Getting StartedOperating the EZ Finder II reflex finder Focusing the TelescopeDo You Wear Eyeglasses? Polar Alignment Setting up and Using the Equatorial MountAligning the EZ Finder Use of the R.A. and Dec Slow-Motion Control Cables Understanding the Setting CirclesCalibrating the Right Ascension Setting Circle Finding Objects With the Setting CirclesSeeing and Transparency Using Your TelescopeConfused About Pointing the Telescope? Choosing an Observing Site700mm ÷ 25mm = Cooling the TelescopeLet Your Eyes Dark-Adapt Eyepiece SelectionObjects to Observe Care and MaintenanceSpecifications Aligning Secondary Mirror Appendix a Collimation Aligning MirrorsCollimation Cap Mirror Center Mark Adjusting the Primary Mirror Cleaning Mirrors Appendix B Cleaning the OpticsStar-Testing the Telescope Cleaning LensesPage One-Year Limited Warranty

3 EQ specifications

The Orion 3 EQ is a state-of-the-art telescope mount that caters to both amateur and professional astronomers. Renowned for its precision and user-friendly design, the Orion 3 EQ is engineered to deliver an enhanced observational experience. This equatorial mount is specifically crafted to support a variety of optical telescopes, making it a versatile choice for stargazers eager to explore the heavens.

One of the standout features of the Orion 3 EQ is its robust construction. The mount is built with high-quality materials, ensuring stability and durability during usage. A notable characteristic of the Orion 3 EQ is its smooth, adjustable movements, allowing users to easily track celestial objects as they move across the night sky. This is especially beneficial for long-exposure astrophotography, where precise tracking is essential for capturing the details of distant galaxies and nebulae.

The mount is equipped with a sophisticated setting circle and latitude adjustment knobs, facilitating accurate alignment with celestial coordinates. This capability simplifies the process of locating objects in the sky, making it an excellent choice for both beginners and experienced astronomers. Additionally, the Orion 3 EQ features slow-motion controls, providing fine adjustments that enable users to center objects with ease.

Modern technology is showcased in the Orion 3 EQ’s optional GoTo system. This innovative technology allows users to input specific celestial coordinates and automatically track objects of interest. The integrated computer system can store thousands of celestial objects, offering a guided experience that enhances the observational journey.

Furthermore, the Orion 3 EQ supports a variety of telescope tubes, accommodating accessories like finderscopes, eyepieces, and cameras for a comprehensive viewing experience. Its compatibility with different mounts means users can customize their setup to suit their particular needs, whether they are engaging in visual astronomy or astrophotography.

In summary, the Orion 3 EQ stands out in the realm of telescope mounts thanks to its robust construction, precision tracking mechanisms, user-friendly features, and optional advanced technologies. Ideal for enthusiasts eager to delve into the cosmic wonders beyond our planet, the Orion 3 EQ represents a blend of tradition and modern innovation that is essential for any serious astronomer.