---
product_id: 567242703
title: "Celticbird 0.5 Focal Reducer/Field Flattener 1.25\" for Starshoot Imaging Cameras - with Standand Filter Threads"
brand: "celticbird"
price: "$1.42"
currency: USD
in_stock: false
url: https://www.desertcart.us/products/567242703-celticbird-0-5-focal-reducer-field-flattener-1-25-starshoot
store_origin: US
region: United States of America
---

# Wider field of view Enhanced light transmission 0.5 focal ratio Celticbird 0.5 Focal Reducer/Field Flattener 1.25" for Starshoot Imaging Cameras - with Standand Filter Threads

**Brand:** celticbird
**Price:** $1.42
**Availability:** ❌ Out of Stock

## Summary

> 🌠 Elevate Your Stargazing Game!

## Quick Answers

- **What is this?** Celticbird 0.5 Focal Reducer/Field Flattener 1.25" for Starshoot Imaging Cameras - with Standand Filter Threads by celticbird
- **How much does it cost?** $1.42 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/567242703-celticbird-0-5-focal-reducer-field-flattener-1-25-starshoot)

## Best For

- celticbird enthusiasts

## Why This Product

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

## Key Features

- • **Imaging Made Easy:** Perfect for deep-sky photography and astrophotography enthusiasts.
- • **Capture the Cosmos:** Designed for 1.25 inch eyepieces, diagonals, and camera adaptors.
- • **Transform Your View:** Experience a stunning 0.5 focal ratio for expansive starfields.
- • **Lightweight & Durable:** Crafted from anodized aluminum for a sleek, robust design.
- • **Versatile Compatibility:** Threaded male and female ends for seamless filter attachment.

## Overview

The 0.5 Focal Reducer/Field Flattener is a two-element optical lens designed for Starshoot Imaging Cameras. It reduces the focal ratio by 0.5, providing a wider field of view and enhancing light transmission. With standard 1.25 inch telescope threads, it fits various eyepieces and camera adaptors, making it a versatile tool for astrophotography. The anodized aluminum housing ensures durability while maintaining a lightweight profile.

## Description

Celticbird 0.5 Focal Reducer/Field Flattener 1.25" for Starshoot Imaging Cameras - with Standand Filter Threads

## Features

- Two-element optical lens helps transmit more light, nice green sheen when held at an angle.
- The reducer has standard 1.25inch telescope threads M28.5x0.6 and fits onto the nose of any 1.25 inch eyepiece, diagonal, extender tube, or camera adaptor fitting that format.
- Threaded male on one end and female on the other so it can both have a filter attached and be threaded onto an eyepiece or camera.
- Reduces your telescope's focal ratio by 0.5, which results in a wider field of view. It increases imaging area and allows capture of larger starfields or deep-sky objects, works as essentially a reverse barlow.
- Nice anodized aluminum housing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C1GLC996 |
| Additional Features | Focal Reduction and Field Flattening for Wide-Field Astrophotography |
| Best Sellers Rank | #278 in Telescope Filters |
| Brand | CELTICBIRD |
| Coating | MgF2 Coated |
| Compatible Devices | Camera |
| Customer Reviews | 4.7 out of 5 stars 3 Reviews |
| Eye Piece Lens Description | 0.5 Focal Reducer/Field Flattener |
| Finderscope | Reflex |
| Focal Length Description | Reduces focal length by 0.5 |
| Focus Type | Manual Focus |
| Item Dimensions D x W x H | 5"D x 5"W x 3"H |
| Manufacturer | Celticbird |
| Manufacturer Part Number | JJJ |
| Model Name | Celticbird 0.5 Focal Reducer/Field Flattener 1.25 |
| Model Number | JJJ |
| Objective Lens Diameter | 32 millimeters |
| Power Source | Manual Operation |
| Product Dimensions | 5"D x 5"W x 3"H |
| UPC | 792933218958 |
| Zoom Ratio | 1 |

## Images

![Celticbird 0.5 Focal Reducer/Field Flattener 1.25" for Starshoot Imaging Cameras - with Standand Filter Threads - Image 1](https://m.media-amazon.com/images/I/51Nzm+Nzh3L.jpg)
![Celticbird 0.5 Focal Reducer/Field Flattener 1.25" for Starshoot Imaging Cameras - with Standand Filter Threads - Image 2](https://m.media-amazon.com/images/I/51C7RbRR6NL.jpg)
![Celticbird 0.5 Focal Reducer/Field Flattener 1.25" for Starshoot Imaging Cameras - with Standand Filter Threads - Image 3](https://m.media-amazon.com/images/I/516fRpv9a+L.jpg)

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**Shop now:** [https://www.desertcart.us/products/567242703-celticbird-0-5-focal-reducer-field-flattener-1-25-starshoot](https://www.desertcart.us/products/567242703-celticbird-0-5-focal-reducer-field-flattener-1-25-starshoot)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-04*