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Sky-Watcher

Sky-Watcher Quattro 150P

A fast, affordable 150mm Newtonian astrograph designed as an imaging OTA rather than a visual telescope.

150mm aperture750mm focal lengthf/5Newtonian ReflectorIntermediate
Sky-Watcher Quattro 150P telescope

What you'll see

This is an imaging-first telescope, so what you'll 'see' is primarily what your camera sensor captures. At f/5 with 750mm focal length, the Quattro 150P delivers a wide enough field to frame large targets like the Veil Nebula complex, the Heart and Soul Nebulae, or the full extent of Andromeda with an APS-C sensor. Exposure times are roughly four times shorter than an equivalent f/10 scope, which is a real advantage when fighting light pollution or tracking errors.

On an APS-C sensor the field of view is approximately 1.7° × 1.1°, comfortably framing most Messier objects and many larger emission nebulae. Narrowband imaging of targets like the Rosette Nebula, North America Nebula, and large H II regions is where this scope particularly shines. The 150mm aperture gathers enough light to reveal faint outer arms of galaxies and tendrils of nebulosity in reasonable integration times.

If you do point it visually — perhaps while setting up for imaging — the 150mm aperture will show you the Cassini Division on Saturn, cloud belts on Jupiter, and pleasing views of bright deep-sky objects. But the fast f/5 focal ratio makes high-magnification planetary viewing less forgiving of eyepiece quality, and the focuser is optimised for camera payloads rather than eyepiece comfort. This is a scope that earns its keep with a camera attached.

Worth knowing before you buy

Ships as an OTA only — you must budget separately for a mount, coma corrector, and imaging accessories, which together c…

Fast f/5 focal ratio produces significant coma at the field edges without a dedicated coma corrector — this is not optio…

Collimation is required regularly and is more critical at f/5 than with slower Newtonians — a laser collimator is strong…

Full Specifications

Optics

Aperture150mm
Focal Length750mm
Focal Ratiof/5
Optical DesignNewtonian Reflector
CoatingsParabolic primary mirror, fully multi-coated

Mount & Tracking

GoTo (Computerised)No
TrackingNo

Focuser

Focuser Size2"
Focuser TypeDual-speed Crayford (10:1 reduction)

Physical

OTA Weight4.6kg
Tube MaterialSteel

Included Accessories

DiagonalNo