---
product_id: 54837618
title: "Welljun Portable metallography microscope BJ-A"
brand: "welljun"
price: "FREE"
currency: THB
in_stock: false
category: "Industrial"
url: https://www.desertcart.co.th/products/54837618-welljun-portable-metallography-microscope-bj
store_origin: TH
region: Thailand
---

# Welljun Portable metallography microscope BJ-A

**Brand:** welljun
**Price:** FREE
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Welljun Portable metallography microscope BJ-A by welljun
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/54837618-welljun-portable-metallography-microscope-bj)

## Best For

- welljun enthusiasts

## Why This Product

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

## Description

Description  BJ-A type is a portable metallography microscope,but the institutional framework of different metal and alloy needing to distinguish when it is unable to make samples to be used in the on-the spot material is appraised live.can apply to carrying on analysis and research and qualificationof the metal material in the metallography testing laboratory of the factor extensively.and the analytical work of metallography institutional framework after dealing with the material.can also used in jade article,pottery,bronze ware surface observation of the institutional framework analyze.  Technical parameters  1.Objective: Magnification/Numerical/Working distance Achromatic: 10X/0.25N.A/7.3mm  Vertical: 40X/0.65N.A/0.5mm  2.Plan eyepiece: (Magnification/Diameter field) 10X/&#x3A6;6mm, 12.5X/&#x3A6;3mm  3.Total magnification: 100X~500X  4.Mechanical tube length: 160mm  5.Focusing range: 25mm  6.Supply voltage: 3.6V  7.The instrument size: 230&#xD7;110&#xD7;70mm(H&#xD7;L&#xD7;W)

## Images

![Welljun Portable metallography microscope BJ-A - Image 1](https://images-na.ssl-images-amazon.com/images/I/81zud%2B7jbXL.jpg)

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---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-08*