---
product_id: 123445027
title: "Fully Coated 4mm Kellner Eyepiece for Telescope Lens with Long Eye Relief - 1.25inch Threaded for Filters"
brand: "gazeroptics"
price: "₨390"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/123445027-fully-coated-4mm-kellner-eyepiece-for-telescope-lens-with-long
store_origin: SC
region: Seychelles
---

# Fully Coated 4mm Kellner Eyepiece for Telescope Lens with Long Eye Relief - 1.25inch Threaded for Filters

**Brand:** gazeroptics
**Price:** ₨390
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Fully Coated 4mm Kellner Eyepiece for Telescope Lens with Long Eye Relief - 1.25inch Threaded for Filters by gazeroptics
- **How much does it cost?** ₨390 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/123445027-fully-coated-4mm-kellner-eyepiece-for-telescope-lens-with-long)

## Best For

- gazeroptics enthusiasts

## Why This Product

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

## Description

Size:K4mm






















Product Description: GazerOptics 4mm&#xA0;Kellner eyepiece&#xA0;is a great choice for&#xA0;astronomical observation. Fully Coated Optical Lens All eyepiece elements are Fully Coated for additional light transmission,&#xA0;greatly improves the clarity of the edge images.  Long Eye Relief Nice eye relief lets you view the entire field comfortably, especially for eyeglass wearers. &#xA0;1.25&quot; eyepiece interface Threaded for&#xA0;any&#xA0;standard&#xA0;1.25inch astronomy filters and barlow lens.  Sturdy plastic dust cover Comes with sturdy plastic bucket to protect the eyepiece from dust and moisture.  Specifications: Optical Design: 3 elements  Focal Length: 4mm Apparent Field of View: 45 degree Filter threads: Standard 1.25&quot; filter thread Material: Metal &#xA0; P.S: For any reason you are unhappy with any product by us, please do not hesitate to contact us. We take full ownership and responsibility for the quality of our products and will do best to solve your problem quickly and efficiently. Any suggestion will be warmly welcomed.

## Features

- 【Fully Coated Optical Lens】All eyepiece elements are Fully Coated for additional light transmission, greatly improves the clarity of the edge images.
- 【Long Eye Relief】Nice eye relief lets you view the entire field comfortably, especially for eyeglass wearers.
- 【1.25 Inch Eyepiece Interface】Threaded for standard 1.25inch astronomy filters and barlow lens.
- 【Sturdy Plastic Dust Cover】Comes with sturdy plastic bucket to protect the eyepiece from dust and moisture.
- 【Reliable Guarantee】We provide 30-Days no reason return and 12-Month warranty. If you have any question about product and service, please feel free to contact us, we will do our best to solve problem.

## Images

![Fully Coated 4mm Kellner Eyepiece for Telescope Lens with Long Eye Relief - 1.25inch Threaded for Filters - Image 1](https://images-na.ssl-images-amazon.com/images/I/513gTX6VthL.jpg)
![Fully Coated 4mm Kellner Eyepiece for Telescope Lens with Long Eye Relief - 1.25inch Threaded for Filters - Image 2](https://images-na.ssl-images-amazon.com/images/I/51rMwQ54YzL.jpg)
![Fully Coated 4mm Kellner Eyepiece for Telescope Lens with Long Eye Relief - 1.25inch Threaded for Filters - Image 3](https://images-na.ssl-images-amazon.com/images/I/515gDIIAdQL.jpg)
![Fully Coated 4mm Kellner Eyepiece for Telescope Lens with Long Eye Relief - 1.25inch Threaded for Filters - Image 4](https://images-na.ssl-images-amazon.com/images/I/51biqwVVaNL.jpg)
![Fully Coated 4mm Kellner Eyepiece for Telescope Lens with Long Eye Relief - 1.25inch Threaded for Filters - Image 5](https://images-na.ssl-images-amazon.com/images/I/61xYZdmi1LL.jpg)

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**Shop now:** [https://www.desertcart.sc/products/123445027-fully-coated-4mm-kellner-eyepiece-for-telescope-lens-with-long](https://www.desertcart.sc/products/123445027-fully-coated-4mm-kellner-eyepiece-for-telescope-lens-with-long)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-22*