Sky-Watcher Heritage 150 Tabletop Dobsonian
- 150mm (5.9") Newtonian Reflector
- 750mm Focal Length (f/5)
- Collapsible Tube Design, Extends to 48"
- 94% Reflectivity RAQ™ Mirror Coatings
- Total Assembled Weight of 23.5 pounds
The Sky-Watcher Heritage 150 Tabletop Dobsonian delivers significant light-gathering power with its 150mm parabolic primary mirror and a fast f/5 focal ratio. Its 750mm focal length provides magnifications of 30x and 75x with the included eyepieces, reaching a limiting magnitude of 13.36. This compact reflector gathers 44% more light than a 130mm telescope, resolving details down to a Dawes' limit of 0.77 arc-seconds.
The Heritage 150's primary optical component is its 150mm borosilicate parabolic mirror, which provides sharp, high-contrast images free of spherical aberration. The mirror surface features Sky-Watcher's Radiant™ Aluminum Quartz (RAQ™) coatings, ensuring 94% reflectivity for brighter views of faint deep-sky objects. This aperture resolves fine details on planets and reveals structure in distant nebulae and galaxies.
Designed for ultimate portability, the Heritage 150 features a unique collapsible optical tube. The tube assembly extends to its full 48" length for observing and retracts to a compact 16.75" for storage and transport. This grab-and-go design allows you to easily take a large-aperture telescope to dark-sky sites, with an OTA weight of just 8 pounds.
The single-arm, alt-azimuth Dobsonian-style base provides a simple and stable platform for the telescope. Weighing 15.5 pounds, the base uses Teflon bearings for smooth motion in azimuth and an altitude locking knob for precise tension control. Its vibration-suppressing rubber feet ensure a steady view when placed on a sturdy table, car hood, or other solid, elevated surface.
While both models offer excellent portability, the Heritage 150 provides a significant advantage in light-gathering power over its smaller sibling.
Yes, the truss-tube system is designed to hold collimation well. While minor adjustments may be needed after transport, the process is straightforward for a Newtonian. You can typically touch up the primary mirror alignment in just a few minutes before observing.
A sturdy, level surface is critical. A robust picnic table, a concrete patio ledge, or even the hood of a car can work well. The goal is to minimize vibrations and place the eyepiece at a comfortable height, which is 28 inches when pointing at the zenith.
The 1.25" helical focuser is a simple, lightweight design that works by twisting the eyepiece barrel. While it can be more sensitive to adjust than a traditional rack-and-pinion or Crayford focuser, it holds focus well and is more than adequate for the included 30x and 75x magnifications.
Absolutely. The 150mm aperture provides more than enough resolution to clearly see Saturn's rings, the Cassini Division in good conditions, Jupiter's main cloud bands, and its four Galilean moons. Using a higher-power eyepiece or a Barlow lens will enhance these views.
Yes, its 150mm f/5 optics are excellent for wide-field views of large deep-sky objects. The included 25mm eyepiece (30x) will frame the core of the Andromeda Galaxy (M31) nicely. From a dark-sky location, this telescope will reveal dust lanes in galaxies and resolve individual stars in brighter globular clusters.
The primary trade-off is its tabletop design. While this makes it extremely portable, it requires a separate, sturdy surface at the correct height for comfortable viewing. Observers without a suitable table may need to build a small, portable stand or sit on the ground, which can be less comfortable for long sessions.
| Optical Design | Newtonian |
| Primary Aperture | 150mm |
| Focal Length | 750mm |
| Focal Ratio | f/5 |
| Mirror Coatings | Radiant Aluminum Quartz (RAQ)™ coatings |
| Mirror Reflectivity | 94% |
| Glass Type | Borosilicate |
| Secondary Diameter | 48mm |
| Secondary Obstruction (by diameter) | 32% |
| Secondary Obstruction (by area) | 10% |
| Dawes Limit | 0.77 arc-seconds |
| Rayleigh Limit | 0.93 arc-seconds |
| Limiting Magnitude | 13.36 |
| Minimum Magnification | 21x |
| Maximum Magnification | 295x |
| Light Gathering (vs 130mm) | 44% more |
| Focuser | 1.25" Helical |
| OTA Length (Retracted) | 16.75" |
| OTA Length (Extended) | 48" |
| OTA Outer Diameter | 184mm |
| OTA Weight (with accessories) | 8 lbs |
| Base Weight | 15.5 lbs |
| Base Dimensions | 14.75" x 17" |
| Zenith Eyepiece Height | 28" |
| UPC | 050234117104 |
Heritage 150mm Collapsible OTA
× 1
Tabletop Dobsonian Base
× 1
Red Dot Finder
× 1
25mm SUPER Eyepiece (1.25")
× 1
10mm SUPER Eyepiece (1.25")
× 1