---
product_id: 277047509
title: "SkyWatcher S20204 Quattro Coma Corrector (Black)"
brand: "sky-watcher"
price: "€ 842.52"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/277047509-skywatcher-s20204-quattro-coma-corrector-black
store_origin: IE
region: Ireland
---

# f/4 ultra-fast optics FPL51 & Schott ED glass 55mm precise backfocus SkyWatcher S20204 Quattro Coma Corrector (Black)

**Brand:** sky-watcher
**Price:** € 842.52
**Availability:** ✅ In Stock

## Summary

> 🌠 Elevate your astrophotography—correct coma, capture cosmos!

## Quick Answers

- **What is this?** SkyWatcher S20204 Quattro Coma Corrector (Black) by sky-watcher
- **How much does it cost?** € 842.52 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/277047509-skywatcher-s20204-quattro-coma-corrector-black)

## Best For

- sky-watcher enthusiasts

## Why This Product

- Trusted sky-watcher brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ultra-Fast f/4 Optics:** Capture crisp, wide-field images with minimal exposure time—perfect for dynamic astrophotography.
- • **Precision 55mm Backfocus:** Engineered for perfect sensor alignment, maximizing image quality and reducing post-processing hassle.
- • **Premium ED Glass Elements:** FPL51 and Schott glass ensure razor-sharp clarity and reduced chromatic aberration for stunning deep-sky shots.
- • **Tailored for Quattro Newtonians:** Optimized specifically for SkyWatcher Quattro models, guaranteeing seamless coma correction and edge-to-edge sharpness.
- • **Versatile Adapter Compatibility:** Supports Canon and Nikon adapters (sold separately), making it easy to integrate into your existing astrophotography setup.

## Overview

The SkyWatcher S20204 Quattro Coma Corrector is a high-performance f/4 optical accessory featuring premium FPL51 and Schott ED glass. Designed specifically for Quattro Newtonian telescopes, it delivers precise coma correction with a 55mm backfocus requirement. Compatible with Canon and Nikon adapters (sold separately), it ensures sharp, wide-field astrophotography with minimal distortion.

## Description

SkyWatcher S20204 Quattro Coma Corrector (Black)

## Features

- f/4 ED coma corrector
- FPL51 and Schott glass
- Optimized for Quattro imaging Newtonians
- Requires 55mm backfocus
- Canon and Nikon adapters available (sold separately)

## Product Details

- **Brand:** Sky-Watcher
- **Model name:** Sky-Watcher Quattro Coma Corrector
- **Eye piece lens description:** wide-field
- **Objective lens diameter:** 55 Millimeters
- **Telescope mount description:** Altazimuth Mount

## Images

![SkyWatcher S20204 Quattro Coma Corrector (Black) - Image 1](https://m.media-amazon.com/images/I/510gJLCn8LL.jpg)

## Frequently Bought Together

- SkyWatcher S20204 Quattro Coma Corrector (Black)
- Sky Watcher Quattro 200P Imaging Newtonian - Large Aperture 8-inch Reflector Optical Tube for Astrophotography

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**Shop now:** [https://www.desertcart.ie/products/277047509-skywatcher-s20204-quattro-coma-corrector-black](https://www.desertcart.ie/products/277047509-skywatcher-s20204-quattro-coma-corrector-black)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-21*