---
product_id: 639706242
title: "Microscope Accessories Kit 50X Microscope Auxiliary Lens for Long Working Distance Flat Field Infinite Infinity Plan Objective Lens for Biological Microscope RMS 20.2mm Microscope Slides"
brand: "ztbh"
price: "C$33748"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/639706242-microscope-accessories-kit-50x-microscope-auxiliary-lens-for-long-working
store_origin: NI
region: Nicaragua
---

# 3.6mm Focal Length 50X Magnification 300g Lightweight Microscope Accessories Kit 50X Microscope Auxiliary Lens for Long Working Distance Flat Field Infinite Infinity Plan Objective Lens for Biological Microscope RMS 20.2mm Microscope Slides

**Brand:** ztbh
**Price:** C$33748
**Availability:** ✅ In Stock

## Summary

> 🔍 Elevate Your Microscopy Game!

## Quick Answers

- **What is this?** Microscope Accessories Kit 50X Microscope Auxiliary Lens for Long Working Distance Flat Field Infinite Infinity Plan Objective Lens for Biological Microscope RMS 20.2mm Microscope Slides by ztbh
- **How much does it cost?** C$33748 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/639706242-microscope-accessories-kit-50x-microscope-auxiliary-lens-for-long-working)

## Best For

- ztbh enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Portable:** Designed for easy transport without compromising quality.
- • **Durable & Reliable:** Built to withstand the rigors of daily use in various environments.
- • **User-Friendly Design:** Effortless setup and operation for professionals and students alike.
- • **Precision Engineering:** Experience crystal-clear imaging with a Numerical Aperture of 0.55.
- • **Versatile Applications:** Perfect for labs, schools, and educational settings.

## Overview

The Microscope Accessories Kit features a 50X auxiliary lens with a 3.6mm focal length and a Numerical Aperture of 0.55, designed for professional and educational use. Its compact dimensions (30 x 20 x 10 mm) and lightweight design (300g) make it an ideal choice for laboratories and classrooms, ensuring high-quality observations and ease of use.

## Description

Specification:Magnification: 2.5X, 5X, 10X, 20X, 50X, 100XNumberical Aperture(NA): 0.08, 0.12, 0.25, 0.4, 0.55, 0.8Working Distance(mm): 11.2, 23.6, 17.7, 10.4, 7, 3.2Focal Length(mm): 72, 36, 18, 9, 3.6, 1.8Resolution(um): 4.1, 2.8, 1.34, 0.8, 0.61, 0.41Focal Depth DF(um): 42.9, 42.9, 10.1, 3.5, 1.4, 0.6Object field of view(on object, mm): 9, 4.5, 2.2, 1.1, 0.45, 0.22Image square field of view(On image, mm):22.5, 22.5, 22.5, 22.5, 22.5, 22.5RMS (M20.2*0.706)Note:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.

## Features

- Product Type: Microscope Auxiliary Lens.
- Numberical Aperture(NA):0.55; Focal Length(mm): 3.6.
- Professional and practical design with beautiful appearance, easy to carry and use.
- Usually used in laboratories, schools, teachers, sample observation, eyepiece protection, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions L x W x H | 30 x 20 x 10 millimetres |
| Package Weight | 300 Grams |
| Product Dimensions L x W x H | 30 x 20 x 10 millimetres |
| Item Weight | 300 Grams |
| Brand | ZTBH |
| Colour | One Color |
| Part number | ZTBH |
| Size | One Size |
| Guaranteed software updates until | unknown |

## Images

![Microscope Accessories Kit 50X Microscope Auxiliary Lens for Long Working Distance Flat Field Infinite Infinity Plan Objective Lens for Biological Microscope RMS 20.2mm Microscope Slides - Image 1](https://m.media-amazon.com/images/I/41Z95FnXsTL.jpg)
![Microscope Accessories Kit 50X Microscope Auxiliary Lens for Long Working Distance Flat Field Infinite Infinity Plan Objective Lens for Biological Microscope RMS 20.2mm Microscope Slides - Image 2](https://m.media-amazon.com/images/I/51qFoUXxUDL.jpg)
![Microscope Accessories Kit 50X Microscope Auxiliary Lens for Long Working Distance Flat Field Infinite Infinity Plan Objective Lens for Biological Microscope RMS 20.2mm Microscope Slides - Image 3](https://m.media-amazon.com/images/I/51EoEA3BYSL.jpg)

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**Shop now:** [https://www.desertcart.ni/products/639706242-microscope-accessories-kit-50x-microscope-auxiliary-lens-for-long-working](https://www.desertcart.ni/products/639706242-microscope-accessories-kit-50x-microscope-auxiliary-lens-for-long-working)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-03-10*