Sky Watcher 20th Anniversary Esprit 150 Trius SX42 Kit

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Sky Watcher 20th Anniversary Esprit 150 Trius SX42 Kit

For twenty years Sky-Watcher has been bringing the astronomy market quality products at value prices. To celebrate, Sky-Watchter teamed up with Starlight Xpress to offer limited-edition astrograph packages. By matching their award-winning astrographs with the Trius SX-42 camera, Sky-Watcher and Starlight Xpress eliminated all of the headaches associated with configuring an imaging train. Back focus, adapters, guiders, filter wheel, etc. are all taken care of. Simply attach these kits to your favorite mount, plug into a computer, add your filters and you’re ready to go.

Esprit 150 OTA Features

World-Class Optics

Chromatic aberrations and field curvature are things of the past with the Sky-Watcher Esprit series of super APO triplet refractors.

Whether you’re photographing with a CCD or a full-frame DSLR, Esprits produce crystal clear images that rival the performance of other refractors costing thousands of dollars more. The Esprit series features extra-large image circles, providing astrophotographers with vignette-free images on large full-frame sensors.

As you explore beyond the tube’s white glossy finish, it becomes apparent that the Esprit’s optical components are designed to court glass snobs near and far. The Esprit series is built around a fast focal length, air-spaced triplet objective, and a proprietary combination of matched lenses, designed to deliver optimum visual and photographic performance. Sky-Watcher’s signature Metallic High-Transmission Coatings (MHTC) – utilizing magnesium fluoride and zirconium oxide – is able to produce a transmission rate that challenges any other refractor on the market. All objective lenses are air-spaced, cooling to an ambient temperature faster than optical tubes using oil-spaced optics. Our optical tubes are fully baffled to eliminate any stray light.

Solid and Precise Focusing

It features paraboloidal primary mirrors made of Low-Expansion Borosilicate Glass resulting in substantially shorter cooling-down times.

Whether you’re using the Esprit for imaging or visual use, Sky-Watcher’s proprietary 2.7” and 3.4” dual-speed focuser provides precise 10:1 rack-and-pinion focusing with zero image shift. The focusers are rotatable, allowing astrophotographers to easily frame their image. The large aperture focuser includes millimeter markings to assist with quick and accurate focusing.

Trius SX-42 Features

Sony ICX694 CCD Sensor

Camera Freatures

Limited Time Offer

These 20th Anniversary Kits are limited edition and are only available while supplies last. Most importantly, you can save up to $500 over what you’d pay to buy these items individually.So don’t wait to get yours!


ADC16 bit
Aperture152 mm (6")
Delta T40°C Below Ambient
Dynamic Range12.2 Stops
Focal Ratiof/7
Free ShippingYes
Full Rez Frame Rate16.5fps
Full Well18ke
Highest Useful Magnification354x
Limiting Stellar Magnitude13.4
Max Frame Rate290fps
Optical DesignTriplet
OTA Weight32 lb.
Peak QE77%
Pixel Array3704 x 2778
Pixel Size4.63 microns
Power Consumption12V 0.9A
Read Noise4e
SensorSony ICX694ALG
Weight0.9 lbs