SkyWatcher ESPRIT 150EDX APO SkyWatcher Refractor Tube Optics

SkyWatcher ESPRIT 150EDX APO Refractor APO Optical Tube

Sky-Watcher Esprit 150EDX - High Performance Apochromatic Optical Tube

The Sky-Watcher Esprit 150EDX is the flagship of the Esprit ED series, designed for advanced amateur astronomers and astrophotographers looking for a large apochromatic refractor telescope with performance comparable to high-end equipment.

Thanks to its unique air-gap apochromatic triplet design, this optical tube ensures total chroma control, providing images with exceptional contrast and outstanding sharpness. The heart of its optics is composed of a top-quality ED center glass Hoya (Japan), which ensures superior performance in both planetary observation and deep-sky astrophotography. In addition, the adjustable barilet provides greater precision and stability compared to other more basic designs.

Maximum transmission and brightness

The Esprit 150EDX incorporates Multi-High Transmission Coatings (MHTC) on all optical surfaces, minimizing light loss and improving contrast. The Metallic High-Transmission Coating (MHC) achieves nearly 99.5% transmission, making this refractor one of the brightest and most high-contrast in its class.

With its 150 mm aperture, this optical tube captures 56% more light than the 120 mm model, making it an ideal choice for those who wish to capture faint deep sky objects without sacrificing detail in visual observation. Its lack of central obstruction ensures cleaner, sharper images, ideal for high-resolution planetary observation.

Optional field corrector

For advanced astrophotography, the optional field corrector/flattener with large diameter lens (48 mm) ensures a perfectly flat field over the entire image circle, avoiding elongated stars at the edges of the sensor. Thanks to this accessory, the Esprit 150EDX can take full advantage of its f/7 focal ratio, making it an unbeatable tool for capturing galaxies, clusters and nebulae with DSLR, CCD or CMOS cameras.

3" Linear Power Focuser with 11:1 reduction

The Esprit series integrates the Linear Power focusing system, a 3" focuser designed to support heavy equipment and large format sensors. Its patented design guarantees robustness, smoothness and extreme focusing precision, thanks to the 11:1 micrometer reduction.

The sliding tube is supported on a steel rail with 4 ball bearings, eliminating undesired displacements during capture. In addition, it features focus lock, a graduated scale for memorizing positions and a 360° rotating focuser, ideal for adjusting the framing without losing focus.

Premium construction

The optical tube of the Esprit 150EDX is made entirely of CNC-machined aluminum, with no plastic parts, ensuring robustness and durability. The interior is blackened and fitted with internal baffles, minimizing stray light entry.

A dovetail type Losmandy, two sturdy collars and a retractable sunshield are included as standard, as well as a rigid carrying case to protect the equipment at all times.

Sky-Watcher Esprit 150EDX Technical Characteristics

• Type: Triplet apochromatic refractor

• Aperture: 150 mm

• Focal length: 1050 mm

• Focal ratio: f/7

• Resolution: 0.92

• Magnification limit: 12.7

• Light gathering capacity: 460x

• Maximum useful magnification: 300x

• Glass: OHARA FPL-53 (Japan)

• Optional corrector: 44 mm corrected image circle

• Focuser: Linear Power 3" with 11:1 reduction, rotatable 360°

• Tube material: CNC machined aluminum

• Tube length: 920 mm (retracted) - 1030 mm (extended)

• Tube weight: 15.2 kg

• Sunshade: Retractable

• Internal baffles: Yes, to eliminate stray light

• Finish: MHTC (Metallic High-Transmission Coating) multi-layer coating

Box Contents

• 1x Sky-Watcher Esprit 150EDX Sky-Watcher optical tube

• 1x Pair of Sky-Watcher collars

• 1x Dovetail type Losmandy

• 1x Retractable sunshield

• 1x Carrying handle with Synta type finder base 1x Synta type finder bases

• 2x Synta type finder bases

• 1x Set of photographic adapters

• 1x Rigid carrying case

👉 This optical tube is designed for those who are looking for the highest quality in observation and astrophotography. The Sky-Watcher Esprit 150EDX is a long-term investment for demanding astronomers who want a premium refractor without compromise.

SkyWatcher ESPRIT 150EDX APO SkyWatcher Refractor Tube Optics