---
product_id: 28819141
title: "Lumicon Night Sky Hydrogen-Alpha Filter - 2\" # LF3090"
brand: "lumicon"
price: "€ 151.03"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/28819141-lumicon-night-sky-hydrogen-alpha-filter-2-lf3090
store_origin: PT
region: Portugal
---

# Lumicon Night Sky Hydrogen-Alpha Filter - 2" # LF3090

**Brand:** lumicon
**Price:** € 151.03
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Lumicon Night Sky Hydrogen-Alpha Filter - 2" # LF3090 by lumicon
- **How much does it cost?** € 151.03 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/28819141-lumicon-night-sky-hydrogen-alpha-filter-2-lf3090)

## Best For

- lumicon enthusiasts

## Why This Product

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

## Description

Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 650nm, transmittance is 90% or above. The filter is used as an extreme anti light-pollution filter, and for contrast-enhancement of emission nebulae and other astronomical objects bright in the infrared. The LF3090, 2" Night Sky Hydrogen-Alpha Filter, threads into the nose-piece of industry-standard 2" Digital Imagers. Manufacturer part number: LF3090

## Features

- Lumicon 2" Night Sky Hydrogen-Alpha Filter     Threads fit 2" telescope eyepieces     Made in the USA by Farpoint Astro

## Images

![Lumicon Night Sky Hydrogen-Alpha Filter - 2" # LF3090 - Image 1](https://m.media-amazon.com/images/I/41xcWJZIxfL.jpg)

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**Shop now:** [https://www.desertcart.pt/products/28819141-lumicon-night-sky-hydrogen-alpha-filter-2-lf3090](https://www.desertcart.pt/products/28819141-lumicon-night-sky-hydrogen-alpha-filter-2-lf3090)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-22*