---
product_id: 20889218
title: "2\" Swan Series Eyepiece - 40mm"
brand: "william optics"
price: "€ 320.10"
currency: EUR
in_stock: true
category: "William Optics"
url: https://www.desertcart.sk/products/20889218-2-swan-series-eyepiece-40mm
store_origin: SK
region: Slovakia
---

# 40mm focal length for expansive views 2-inch barrel for superior compatibility Lightweight design at just 220g 2" Swan Series Eyepiece - 40mm

**Brand:** william optics
**Price:** € 320.10
**Availability:** ✅ In Stock

## Summary

> 🔭 Unlock the universe in stunning wide-angle clarity!

## Quick Answers

- **What is this?** 2" Swan Series Eyepiece - 40mm by william optics
- **How much does it cost?** € 320.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/20889218-2-swan-series-eyepiece-40mm)

## Best For

- william optics enthusiasts

## Why This Product

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

## Key Features

- • **Wide-Field Wonder:** Experience breathtaking celestial panoramas with the 40mm focal length that captures more sky in every glance.
- • **Trusted Craftsmanship:** From William Optics, a brand synonymous with quality and innovation in telescope accessories since 2011.
- • **Featherlight Precision:** At only 220 grams, this eyepiece offers premium optics without the bulk—carry your cosmic adventures with ease.
- • **Seamless Compatibility:** Designed with a 2-inch barrel to fit most high-end telescopes effortlessly, ensuring a perfect match every time.
- • **Elevate Your Stargazing:** Join the elite community of astronomy enthusiasts who demand clarity, comfort, and expansive views.

## Overview

The William Optics 2" Swan Series Eyepiece - 40mm is a premium telescope accessory featuring a 2-inch barrel and a 40mm focal length, delivering wide-field views with lightweight design at 220 grams. Trusted by astronomy enthusiasts since 2011, it enhances your stargazing experience with superior compatibility and optical performance.

## Description

William Optics 2" Swan Series Eyepiece - 40mm

## Features

- William Optics 2" Swan Series Eyepiece - 40mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005D8UPAY |
| Best Sellers Rank | #748 in Telescope Eyepieces |
| Date First Available | July 18, 2011 |
| Item Weight | 220 pounds |
| Manufacturer | William Optics |

## Product Details

- **Brand:** William Optics
- **Finderscope:** Reflex
- **Focal Length Description:** 40 millimeters
- **Item Weight:** 220 Pounds
- **Manufacturer:** William Optics
- **Objective Lens Diameter:** 40 Millimeters
- **UPC:** 839285019328 962392011852

## Images

![2" Swan Series Eyepiece - 40mm - Image 1](https://m.media-amazon.com/images/I/31yx8Uq3WwL.jpg)

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**Shop now:** [https://www.desertcart.sk/products/20889218-2-swan-series-eyepiece-40mm](https://www.desertcart.sk/products/20889218-2-swan-series-eyepiece-40mm)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-05-06*