---
product_id: 48391071
title: "Celestron f/6.3 Reducer-Corrector Lens for Schmidt-Cassegrain Telescopes"
brand: "celestron"
price: "R5900"
currency: ZAR
in_stock: true
category: "Celestron"
url: https://www.desertcart.co.za/products/48391071-celestron-f-6-3-reducer-corrector-lens-for-schmidt-cassegrain
store_origin: ZA
region: South Africa
---

# Expands field of view for deep sky & astrophotography 37% focal length & f/ratio reduction Universal threading fits Celestron SCTs & accessories Celestron f/6.3 Reducer-Corrector Lens for Schmidt-Cassegrain Telescopes

**Brand:** celestron
**Price:** R5900
**Availability:** ✅ In Stock

## Summary

> 🔭 Unlock the universe’s full potential—one thread at a time!

## Quick Answers

- **What is this?** Celestron f/6.3 Reducer-Corrector Lens for Schmidt-Cassegrain Telescopes by celestron
- **How much does it cost?** R5900 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/48391071-celestron-f-6-3-reducer-corrector-lens-for-schmidt-cassegrain)

## Best For

- celestron enthusiasts

## Why This Product

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

## Key Features

- • **Double Your Telescope’s Power:** Transforms your f/10 Schmidt-Cassegrain into a fast f/6.3 for versatile lunar, planetary, and deep sky viewing.
- • **Wider, Brighter Views Instantly:** 37% reduction in focal length means shorter exposures and a broader field of view—capture more of the cosmos in every glance.
- • **Seamless Accessory Compatibility:** Thread-on design works flawlessly with T-adapters, star diagonals, and off-axis guiders—no gear left behind.
- • **Effortless Installation & Handling:** Knurled grip and precise threading make attaching or removing your reducer a breeze, even in the dark.
- • **Optimized for Low Light & Digiscoping:** Faster f/ratio lets you shoot in dim conditions with maximum light transmission and near full-field illumination.

## Overview

The Celestron 94175 Focal Reducer & Field Corrector is a precision multi-coated lens accessory that reduces your Schmidt-Cassegrain telescope’s focal length and f/ratio by 37%, converting an f/10 system to f/6.3. This upgrade broadens your field of view, brightens images for astrophotography and deep sky observation, and maintains compatibility with standard telescope accessories. Designed for easy installation on Celestron SCT models, it enhances both visual and digiscoping experiences by delivering faster exposures and improved contrast.

## Description

Product Description Imagine having two telescopes in one — a long focal length instrument for lunar and planetary work and a short focal length scope for deep sky observing and astrophotography. With the Celestron Reducer/Corrector Lens, that’s precisely what you get. Explicitly designed for Celestron Schmidt-Cassegrain telescopes, this lens reduces your telescope’s focal length and f/ ratio by 37%, turning your long focal length telescope into a fast, short focal length instrument. A f/10 focal ratio now achieves a f/6.3, while an f/11 focal ratio now achieves a f/7. For visual use, this means you get lower power with the same eyepiece and a wider field of view. Photographically you also get a wider field and much shorter exposures. The Reducer/Corrector is easy to install by threading the unit onto the rear cell of your Schmidt-Cassegrain telescope (or the reducer plate of the C11 and C14). Once installed, you can add accessories like T-Adapters, 1.25” Visual Back, Star Diagonal, or Off-Axis Guider. The Reducer/Corrector can also be used for terrestrial digiscoping. The faster f/ratio allows you to use slower film or shoot in lower light level situations and still properly expose your subject. This fully multi-coated lens provides maximum light transmission with near full-field illumination. The internal surfaces are blackened and glare-threaded to provide the highest contrast. The lens has a knurled surface, providing a gripping surface for threading/unthreading. Box Contains Celestron Reducer - Corrector

## Features

- LIKE HAVING TWO TELESCOPES IN ONE: Your long focal length Schmidt-Cassegrain is suited to lunar and planetary work, add the reducer corrector and you have a short focal length telescope for deep sky observing and astrophotography
- REDUCES FOCAL LENGTH AND F/RATIO BY 37%: Simply thread the reducer onto your telescope's rear cell and an f/10 Schmidt-Cassegrain becomes f/6.3 or an f/11 instrument becomes f/7
- COMPATIBLE WITH ALL YOUR ACCESSORIES: Once the reducer is installed, you can add accessories like a T-Adapter, visual back, star diagonal or off-axis guider
- FOR TERRESTRIAL DIGISCOPING: The faster f/ratio allows you to shoot in dimmer lighting conditions and still properly expose your subject, this fully multi-coated lens provides maximum light transmission with near full-field illumination
- THREAD THE UNIT ONTO THE REAR CELL OF YOUR SCHMIDT-CASSEGRAIN TELESCOPE (OR THE REDUCER PLATE OF THE C11 AND C14): Easy to install

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00009XVHZ |
| Best Sellers Rank | 444 in Telescope Accessories |
| Box Contents | Reducer - Corrector |
| Brand Name | Celestron |
| Coating | Multi-Coated |
| Compatible Devices | Celestron Schmidt-Cassegrain telescopes (C5, C6, C8, C9.25, C11, C14) |
| Country of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (706) |
| Exit Pupil Diameter | 31.75 Millimeters |
| Eye Piece Lens Description | Plossl |
| Field Of View | 0.04 Degrees |
| Finderscope | Reflex |
| Focal Length Description | The original focal length of the telescope, before using the reducer corrector, is not explicitly mentioned in the provided information. However, it can be inferred that for an f/10 system, the reducer corrector reduces the focal length by 37% to make it an f/6.3 system. Thus, if the focal length of the f/10 system is F, then the focal length after using the reducer corrector would be 0.63F (f/6.3… |
| Focus Type | Manual Focus |
| Global Trade Identification Number | 00050234941754 |
| Item Dimensions D x W x H | 5.1D x 5.1W x 5.1H centimetres |
| Item Weight | 150 Grams |
| Manufacturer | Celestron |
| Manufacturer Part Number | 94175 |
| Model Name | 94175 |
| Model Number | 94175 |
| Mount | Equatorial Mount |
| Number of Items | 1 |
| Objective Lens Diameter | 200 Millimetres |
| Optical-Tube Length | 105 Millimetres |
| Power Source | Not Obtainable |
| Product Features | Two telescopes in one: long focal length for lunar/planetary work and short focal length for deep sky observing and astrophotography. |
| UPC | 050234941754 |
| Unit Count | 1.0 count |
| Zoom Ratio | 7 |

## Product Details

- **Brand:** Celestron
- **Eye piece lens description:** Plossl
- **Finderscope:** Reflex
- **Focus type:** Manual Focus
- **Model name:** 94175
- **Objective lens diameter:** 200 Millimetres
- **Optical tube length:** 105 Millimetres
- **Power source:** Not Obtainable
- **Product dimensions:** 5.1D x 5.1W x 5.1H centimetres
- **Telescope mount description:** Equatorial Mount

## Images

![Celestron f/6.3 Reducer-Corrector Lens for Schmidt-Cassegrain Telescopes - Image 1](https://m.media-amazon.com/images/I/519X+yzPqPL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- Celestron – Focal Reducer & Field Corrector Imaging Accessory – Reduces Focal Length & Ratio 37% – f/10 to f/6.3 – Ideal for Deep-Sky Observing & Astroimaging – Works w/Schmidt-Cassegrain Telescopes
- Celestron 93633-A SLR or DSLR T-Adapter (C5, 6, 8, 9.25, 11, 14), Black
- Celestron 93419 T-Ring Adapter for Canon EOS Digital Cameras, Black

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.za/products/48391071-celestron-f-6-3-reducer-corrector-lens-for-schmidt-cassegrain](https://www.desertcart.co.za/products/48391071-celestron-f-6-3-reducer-corrector-lens-for-schmidt-cassegrain)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-09-28*