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🔭 Sky-Watcher Quattro 150P Newtonian Astrograph OTA

A fast f/4 Newtonian astrograph purpose-built for deep-sky imaging. The Quattro 150P combines a large 150mm parabolic mirror with an ultra-short focal length, making it a favourite among intermediate astrophotographers who want wide, richly detailed images of nebulae and galaxies without the cost of a premium apochromatic refractor.

🔭 150mm Aperture ⚡ Fast f/4 Focal Ratio 📸 Astrograph Design 🌌 Nebulae & Galaxies 🎯 Imaging-Optimised Newtonian 🔧 OTA Only

⭐ Quick Overview

Best For

  • Intermediate astrophotographers
  • imagers moving up from a small refractor
  • deep-sky wide-field imaging

Observing Targets

  • Large nebulae
  • galaxies
  • star clusters
  • wide star fields

Main Advantages

  • Very fast f/4 focal ratio for short exposure times
  • large 150mm aperture
  • coma corrector compatible
  • excellent value per millimetre of aperture for imaging

A Fast, Affordable Route Into Deep-Sky Imaging

The Quattro 150P is an optical tube assembly (OTA) designed specifically for astrophotography rather than casual visual use. Its 150mm parabolic mirror and short 600mm focal length combine into an f/4 focal ratio — dramatically faster than most beginner telescopes — which means significantly shorter exposure times are needed to capture faint nebulae and galaxies.

Because it ships as an OTA, the Quattro 150P is intended for imagers who already own (or are planning to add) a suitable equatorial GoTo mount, such as an EQ5, HEQ5 or EQ6-class mount, along with a coma corrector and imaging camera.

🌌 What Can You Image With The Quattro 150P?

🌌 Large Nebulae

The North America Nebula, Veil Nebula and similar wide targets fit beautifully in the fast, wide field.

🌀 Galaxies

Brighter galaxies reveal spiral structure with sufficient integration time.

⭐ Star Clusters & Wide Star Fields

The wide, fast field is excellent for rich star-field images.

💡 Why A Fast Focal Ratio Matters For Imaging

Focal ratio determines how quickly a telescope gathers light onto the camera sensor for a given aperture. An f/4 system collects light roughly four times faster than a typical f/8 telescope, which means shorter sub-exposures, less strain on tracking accuracy, and faster overall imaging sessions — a major advantage for deep-sky astrophotography.

🔧 Newtonian Astrograph Design

Unlike a standard visual Newtonian, the Quattro 150P uses a low-profile focuser and optimised mirror cell designed around imaging rather than eyepiece observing. A coma corrector is recommended to flatten the field and eliminate coma toward the edges of the frame, a common characteristic of fast parabolic mirrors.

⭐ A Serious Step Up From Beginner Telescopes

Where beginner telescopes prioritise ease of use, the Quattro 150P prioritises raw imaging speed and aperture. It rewards users who already understand mount alignment, guiding and basic image processing, offering imaging performance well beyond typical entry-level astrographs.

🎯 Perfect For

📸 Astrophotographers

A fast, affordable way to capture large nebulae and galaxies.

⭐ Upgraders

A natural next step for imagers moving on from a small refractor or DSLR lens setup.

🌌 Deep-Sky Enthusiasts

Ideal for wide-field targets that need speed and aperture together.

📸 Built For Astrophotography

The Quattro 150P is not intended for casual eyepiece observing; it is an imaging instrument through and through. Paired with a coma corrector, a cooled or DSLR camera and a tracking equatorial mount, it becomes a genuinely capable deep-sky imaging rig at a fraction of the cost of premium apochromatic astrographs.

💡 Imaging Tips For Best Results

  • Use a coma corrector to flatten stars across the full frame.
  • Collimate the mirror carefully before each imaging session for the sharpest results.
  • Pair with a mount capable of accurate autoguiding for longer sub-exposures.

📊 Technical Specifications

Brand Sky-Watcher
Model Quattro 150P
Optical Design Newtonian Astrograph
Aperture 150mm
Focal Length 600mm
Focal Ratio f/4
Primary Mirror Parabolic, imaging-optimised
Delivery Format Optical Tube Assembly (OTA), mount not included
Recommended Accessories Coma corrector, equatorial GoTo mount

📦 Included Accessories

📦 Quattro 150P optical tube
📦 Tube rings & dovetail bar
📦 Low-profile focuser
📦 Manual

❓ Frequently Asked Questions

❓ Does this include a mount?

No, it is sold as an optical tube assembly for use on a compatible equatorial GoTo mount.

❓ Do I need a coma corrector?

Yes, a coma corrector is strongly recommended for sharp stars across the full imaging frame.

❓ Is this suitable for visual use?

It can be used visually, but it is optimised primarily for astrophotography.

⭐ Why Buy From MJKZZ?

✅ Genuine Sky-Watcher product
🚚 Fast European shipping
🔒 Secure payment options
💬 Expert customer support
📦 Carefully packed shipment
Within the EU, the goods usually arrive within a few working days. Deliveries outside of the EU can take from just over a week to two weeks. Even an exchange or return within 14 days can be handled more quickly, cheaper and less complicated on the MJKZZ.DE page, if the items only need to be sent back to Germany/Austria. For large orders OUTSIDE of EU contries, it is possible that the shipping costs need to be calculated manually becasue of insurance. But we only charge the real shipping costs!

If you are ordering OUTSIDE of EU: Please contact us to place your order without VAT. We will send you an invoice excluding 20% tax.

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