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Skywatcher N 150/750 PDS Explorer BD EQ3 Pro SynScan GoTo
Designed around an imaging-oriented secondary mirror, Skywatcher N 150/750 PDS Explorer BD EQ3 Pro SynScan GoTo combines 150mm parabolic optics, 750mm focal length, f/5 performance, dual-speed focusing, computerized EQ3 Pro mounting, finder, and eyepiece.
- 150mm PDS parabolic Newtonian
- 750mm focal length, f/5.0 optics
- 2-inch dual-speed Crayford focuser
- EQ3 Pro SynScan GoTo mount
- Includes finder and eyepiece
In Stock
Description
Astrophotographers requiring automated GoTo tracking and full sensor illumination for prime-focus DSLR astrography utilize the Skywatcher N 150/750 PDS Explorer BD EQ3 Pro SynScan GoTo dual-speed Newtonian system. Operating at a fast f/5.0 focal ratio with a 150mm (5.91 in) aperture and 750mm focal length, it delivers 0.77 arcseconds Dawes resolving power for deep-sky imaging.
The Skywatcher N 150/750 PDS Explorer BD EQ3 Pro SynScan GoTo features a parabolic borosilicate primary mirror and an enlarged 52mm secondary mirror (34.7% obstruction by diameter) for zero vignetting on APS-C sensors. Its 680mm steel tube includes a 2-inch dual-speed Crayford focuser with 1:10 micro-reduction. Mounted on an EQ3 Pro computerized GoTo equatorial mount with a tubular steel tripod, the 5.20 kg OTA delivers high-precision automated celestial tracking.
Key Features of Skywatcher N 150/750 PDS Explorer BD EQ3 Pro SynScan GoTo
Built for automated GoTo deep-sky astrophotography, prime-focus DSLR astrography, and faint object observation, this 150mm Sky-Watcher Explorer PDS telescope pairs an enlarged secondary mirror with an EQ3 Pro GoTo mount. Its 2-inch dual-speed Crayford focuser ensures precise focus control.
- 150mm (5.91 in) aperture with 750mm focal length and fast f/5.0 optical speed
- Precision parabolic primary mirror made from low-expansion borosilicate glass
- 94% reflective aluminum optical coatings with protective silicon dioxide overcoat
- Enlarged 52mm secondary mirror obstruction (34.7% diameter, 12.0% area) for full sensor coverage
- 2-inch dual-speed Crayford focuser with 1:10 micro-gear reduction and 1.25-inch adapter
- Extended in-focus travel providing 55mm backfocus clearance for coma correctors
- EQ3 Pro SynScan computerized German equatorial GoTo mount with tubular steel tripod
- SynScan V5 controller, counterweights, 6×30 finderscope, and 28mm 2-inch LET eyepiece included
Parabolic Borosilicate Optics & Enlarged Secondary Mirror
The 150mm parabolic primary mirror focuses light accurately to eliminate spherical aberration, while the oversized 52mm secondary mirror prevents edge vignetting across a 28mm image circle. Supported by an EQ3 Pro GoTo mount, this Sky-Watcher imaging reflector supports magnifications from 21.4x up to 300x.
2-Inch Dual-Speed Crayford Focuser & Extended Backfocus
Precise focus adjustments are crucial when imaging with dedicated cooled cameras or DSLRs. The Explorer 150PDS features a 2-inch dual-speed Crayford focuser with 1:10 micro-reduction for smooth, backlash-free focusing. Its shortened tube assembly provides extended backfocus travel, allowing cameras to reach focus with coma correctors attached.
- 2-inch dual-speed Crayford focuser with 1:10 precision micro-focus reduction
- Shortened optical tube body providing 55mm backfocus clearance for coma correctors
- Computerized EQ3 Pro equatorial mount with SynScan V5 automated hand controller
Sky-Watcher Explorer PDS Series Warranty
The Skywatcher N 150/750 PDS Explorer BD EQ3 Pro SynScan GoTo telescope is backed by a 2-year limited warranty against material and manufacturing defects. The complete factory package contains the 150/750 PDS OTA, EQ3 Pro mount head, SynScan V5 controller, steel tripod, counterweights, 6×30 finderscope, and 28mm 2-inch LET eyepiece.
Sky-Watcher N 150/750 PDS Explorer BD EQ3 Pro SynScan GoTo Specs
| Parameter | Specification |
|---|---|
| Brand | Sky-Watcher |
| Full Model Code / SKU / MPN | 10723 (SK15075PDS-EQ3PRO) |
| Country of Origin | China |
| Series / Product Line | Explorer PDS Dual-Speed Imaging / SynScan GoTo Series |
| Optical Design | Newtonian Reflector (Parabolic Primary Mirror, Enlarged Secondary for Imaging) |
| Clear Aperture | 150 mm (5.91 in) |
| Focal Length | 750 mm |
| Focal Ratio | f/5.0 |
| Optical Coatings / Substrate Treatment | Aluminized with Silicon Dioxide (SiO2) Protective Overcoat (94% Reflectivity) |
| Central Obstruction | 34.7% by diameter / 12.0% by area (52 mm secondary mirror minor axis) |
| Glass Substrate / ED Element Spec | Borosilicate Low-Expansion Optical Glass (Parabolic Surface Figure) |
| Corrected Image Circle / Sensor Coverage | 28 mm (APS-C optimized; Full-Frame capable with optional Coma Corrector) |
| Standard Back Focus / Flange Focal Distance | 55 mm from optional Coma Corrector (Extended In-Focus Travel for Prime-Focus Imaging) |
| Diffraction-Limited Theoretical Resolving Power | 0.77 arcseconds |
| Limiting Visual Stellar Magnitude | 13.6 mag |
| Highest Useful Magnification | 300x |
| Lowest Practical Magnification | 21.4x |
| Focuser Architecture & Reduction Ratio | 2-inch Dual-Speed Crayford Focuser 1:10 with 1.25-inch Adapter |
| Optical Tube Assembly (OTA) Dry Weight | 5.20 kg (11.46 lbs) |
| OTA Physical Dimensions | 680 mm length, 182 mm outer tube diameter |
| Included Mechanical Mounting Interface | Vixen-style 44mm Dovetail Bar with Tube Mounting Rings |
| Mount & Drive Type Included | EQ3 Pro SynScan Computerized German Equatorial GoTo Mount with Tubular Steel Tripod |
| Verified Factory In-Box Inclusions | 150/750 PDS OTA, EQ3 Pro Mount Head, SynScan V5 Controller, Steel Tripod, Counterweights, 6x30 Finderscope, 28mm 2-inch LET Eyepiece |
| Factory Warranty Coverage | 2-Year Limited Warranty |
| Primary Optical Application & Astronomical Target Profile | Automated GoTo Deep-Sky Astrophotography, Prime-Focus DSLR Astrography, Faint Deep-Sky Observation |
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