Sky-Watcher Heritage 150 Tabletop Dobsonian Telescope

Designed to provide substantial aperture in a compact and easily transportable package, the Sky-Watcher Heritage 150 uses a 150 mm Newtonian optical system with a 750 mm focal length and fast f/5 focal ratio.

Its tabletop Dobsonian design provides straightforward manual operation. The collapsible optical tube significantly reduces storage and transport dimensions while retaining collimation during normal extension and retraction.

150 mm Aperture

With its 150 mm primary mirror, the Heritage 150 provides greater light-gathering capability than the Heritage 130.

Sky-Watcher states that it collects 44% more light than the 130 mm model and 363% more light than the human eye.

This aperture provides bright, contrast-rich views of the Moon, planets and a wide range of deep-sky objects.

Borosilicate Parabolic Primary Mirror

The Newtonian optical system uses a 150 mm parabolic primary mirror manufactured from durable borosilicate glass.

Sky-Watcher applies its proprietary Radiant Aluminum Quartz RAQ coating to the mirrors for their reflective and protective finish.

The Heritage 150 uses the same optics as the manufacturer's Classic 150P Dobsonian, but in a considerably more compact configuration.

750 mm Focal Length and f/5 Focal Ratio

With a 750 mm focal length and 150 mm aperture, the Heritage 150 operates at f/5.

This relatively fast focal ratio helps maintain a compact optical tube while providing a field suitable for observing a wide range of astronomical targets.

Collapsible Optical Tube

The collapsible optical tube is one of the key features of the Heritage 150.

The tube can be collapsed for easier transportation and storage, then extended for observing. Sky-Watcher states that the design retains collimation during normal extension and retraction.

This configuration provides the aperture of a 150 mm Newtonian without the overall size of a conventional rigid 750 mm focal-length tube.

Manual Altazimuth Dobsonian Mount

The optical tube is installed on a compact manual Dobsonian altazimuth base.

The mount uses Teflon bearings to provide smooth and accurate manual movement when locating and following astronomical objects.

An altitude locking knob allows the optical tube position to be secured for steady viewing.

Stable Tabletop Base

The base is designed to be placed on a stable surface at a suitable observing height.

Skid-resistant, vibration-suppressing rubber feet improve stability and help reduce vibrations transmitted through the supporting surface.

This compact configuration makes the Heritage 150 easy to set up for portable observing sessions.

1.25-Inch Helical Focuser

Focusing is performed through a 1.25-inch helical focuser.

Its compact design contributes to the reduced dimensions of the optical tube while providing compatibility with standard 1.25-inch eyepieces.

A Portable 150 mm Dobsonian

Sky-Watcher designed the Heritage 150 to combine 150 mm aperture with a transportable format.

Its collapsible tube, compact azimuth base and tabletop configuration provide the optical capability of a 150 mm Newtonian while significantly reducing overall storage and transport requirements.

Technical Specifications

• Manufacturer : Sky-Watcher

• Model : Heritage 150

• Manufacturer SKU : S11710

• Type : Tabletop Dobsonian telescope

• Optical design : Newtonian

• Aperture : 150 mm

• Focal length : 750 mm

• Focal ratio : f/5

• Primary mirror : Parabolic

• Mirror material : Borosilicate glass

• Mirror coating : Radiant Aluminum Quartz RAQ

• Optical tube : Collapsible

• Collimation retained when collapsed : Yes

• Focuser : Helical

• Focuser size : 1.25 inch

• Mount : Manual Dobsonian altazimuth

• Azimuth bearings : Teflon

• Altitude locking knob : Yes

• Feet : Skid-resistant and vibration-suppressing rubber

• Stated light gathering compared with Heritage 130 : 44% greater

• Stated light gathering compared with human eye : 363% greater