---
product_id: 26543013
title: "21B Monocular Compound Microscope 640x LED Coaxial Coarse and Fine Focusing with 9pcs Basic Biology Prepared Slides Sets 5pcs Blank Microscope Slides and 50pcs Square Cover Glass"
brand: "jnkedu"
price: "125 zł"
currency: PLN
in_stock: false
url: https://www.desertcart.pl/products/26543013-21b-monocular-compound-microscope-640x-led-coaxial-coarse-and-fine
store_origin: PL
region: Poland
---

# LED illumination 97x97mm stage size 640x magnification 21B Monocular Compound Microscope 640x LED Coaxial Coarse and Fine Focusing with 9pcs Basic Biology Prepared Slides Sets 5pcs Blank Microscope Slides and 50pcs Square Cover Glass

**Brand:** jnkedu
**Price:** 125 zł
**Availability:** ❌ Out of Stock

## Summary

> 🔍 Discover the Microscopic World Like Never Before!

## Quick Answers

- **What is this?** 21B Monocular Compound Microscope 640x LED Coaxial Coarse and Fine Focusing with 9pcs Basic Biology Prepared Slides Sets 5pcs Blank Microscope Slides and 50pcs Square Cover Glass by jnkedu
- **How much does it cost?** 125 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/26543013-21b-monocular-compound-microscope-640x-led-coaxial-coarse-and-fine)

## Best For

- jnkedu enthusiasts

## Why This Product

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

## Key Features

- • **Precision Focus Control:** Coaxial coarse and fine focusing ensures you capture every nuance of your specimen.
- • **Illumination at Its Best:** Dual LED illuminators provide consistent lighting for optimal viewing.
- • **Complete Set for Exploration:** Includes 9 prepared slides and 5 blank slides for endless discovery.
- • **Ergonomic Design for Comfort:** The 45-degree inclined eyepiece reduces eye strain, making long sessions a breeze.
- • **Experience Unmatched Clarity:** With a magnification range of 64x to 640x, every detail comes to life.

## Overview

The 21B Monocular Compound Microscope offers a powerful 640x magnification with LED illumination, designed for comfort and precision. It features a wide field eyepiece, a robust stage for specimen handling, and comes with essential slides for immediate exploration.

## Description

This model JNKEDU-21B leads to introduce student to the biological world. Provides high magnification for biological use and educational applications ? Including  9pcs basic biology prepared slides set, 5pcs blank microscope slides, 50pcs square cover glass, easy for student learn biological applications. Metal body, size 12X17.5X31CM Monocular viewing head with WF16X wide field eyepiece, 45 degree vertical inclination to reduce eye and neck tired, rotatable 360 degree.  Nosepiece with precision-ground achromatic DIN 4x. 10x. 40xS. achromatic glass objectives provide high quality of magnified images .magnification 64x,60x,640x  Plain stage with clips to fix specimen.stage size 97x97mm 5 holes disc diaphragm. NA0.65 condenser make the light of the bottom illumination more brighten coaxial coarse and fine focus on rack-and-pinion mechanism system Built in top and bottom 0.08W electric lead illuminators constant reliable, pre focusing illumination .powered by adapt or 3AA batteries.

## Features

- Monocular viewing head with WF16X wide field eyepiece
- 45 degree vertical inclination to reduce eye and neck tired
- Nosepiece with precision-ground achromatic DIN 4x 10x 40x S Achromatic glass objectives provide high quality of magnified images ,magnification 64x 160x 640x
- Plain stage with clips to fix specimen,stage size 97x97mm,5 holes disc diaphragm,NA0.65 condenser make the light of the bottom illumination more brighten
- Coaxial coarse and fine focus on rack-and-pinion mechanism system, Both built in top and bottom 0.08W electric lead illuminators constant reliable, pre focusing illumination .powered by adapt or 3AA batteries.

## Product Details

- **Light Source Type:** LED
- **Material:** glass
- **Color:** Silver, Multicolor, Black, Off-White
- **Real Angle of View:** 45 Degrees
- **Magnification Maximum:** 640 x
- **Item Weight:** 0.01 Ounces
- **Brand:** JNKEDU
- **Objective Lens Description:** Achromatic
- **Power Source:** Battery Powered,Electric
- **UPC:** 780150580187

## Images

![21B Monocular Compound Microscope 640x LED Coaxial Coarse and Fine Focusing with 9pcs Basic Biology Prepared Slides Sets 5pcs Blank Microscope Slides and 50pcs Square Cover Glass - Image 1](https://m.media-amazon.com/images/I/71nEsp54KLL.jpg)
![21B Monocular Compound Microscope 640x LED Coaxial Coarse and Fine Focusing with 9pcs Basic Biology Prepared Slides Sets 5pcs Blank Microscope Slides and 50pcs Square Cover Glass - Image 2](https://m.media-amazon.com/images/I/61vo-JV+ukL.jpg)
![21B Monocular Compound Microscope 640x LED Coaxial Coarse and Fine Focusing with 9pcs Basic Biology Prepared Slides Sets 5pcs Blank Microscope Slides and 50pcs Square Cover Glass - Image 3](https://m.media-amazon.com/images/I/41SzQE9A7RL.jpg)
![21B Monocular Compound Microscope 640x LED Coaxial Coarse and Fine Focusing with 9pcs Basic Biology Prepared Slides Sets 5pcs Blank Microscope Slides and 50pcs Square Cover Glass - Image 4](https://m.media-amazon.com/images/I/61-+ciiCylL.jpg)

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---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-05-07*