---
product_id: 597519889
title: "EISCO Concave Mirror - 4\" Dia, 150mm Focal Length - 3mm Thick - Glass Labs"
brand: "eisco"
price: "S$45"
currency: SGD
in_stock: false
reviews_count: 5
category: "Eisco"
url: https://www.desertcart.sg/products/597519889-eisco-concave-mirror-4-dia-150mm-focal-length-3mm-thick
store_origin: SG
region: Singapore
---

# 150mm focal length accuracy 4-inch precision diameter 3mm durable glass thickness EISCO Concave Mirror - 4" Dia, 150mm Focal Length - 3mm Thick - Glass Labs

**Brand:** eisco
**Price:** S$45
**Availability:** ❌ Out of Stock

## Summary

> 🔍 Reflect brilliance, focus your future.

## Quick Answers

- **What is this?** EISCO Concave Mirror - 4" Dia, 150mm Focal Length - 3mm Thick - Glass Labs by eisco
- **How much does it cost?** S$45 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/597519889-eisco-concave-mirror-4-dia-150mm-focal-length-3mm-thick)

## Best For

- eisco enthusiasts

## Why This Product

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

## Key Features

- • **Robust 3mm Glass Build:** Thick, durable glass withstands hands-on lab use without compromising clarity.
- • **Versatile Tool for STEM Innovators:** Perfect for physics demos, ray diagram studies, and optical research—stay ahead in your scientific journey.
- • **Scientifically Accurate Focal Length:** 150mm focal length delivers reliable image formation, perfect for mastering optical principles.
- • **Precision Optics for Next-Level Learning:** Engineered 4-inch diameter ensures clear, focused reflections for advanced physics experiments.
- • **Classroom-Ready with Real-World Imperfections:** Minor surface variations add authenticity without affecting performance—ideal for practical education.

## Overview

The EISCO 4-inch concave glass mirror features a precise 150mm focal length and a sturdy 3mm thickness, designed specifically for educational and laboratory use. Ideal for physics and optics experiments, it offers reliable image formation and hands-on durability, making it a must-have tool for students and professionals aiming to master light behavior and optical principles.

## Description

This round concave glass mirror is designed for physics and educational uses. It is approximately 4" (100mm) diameter and 3mm thick. Note, thickness varies as they are not designed to be consistent in that respect. Because of their educational use design, there may be minor imperfections that do not affect physical function. 150mm Focal Length Round concave glass mirror designed for physics and educational uses.

Review: It's great, I actually use it for a spin station, it's that perfect. That's actually why I bought it...LOL.
Review: This mirror provides accurate reflections (considering its concavity).

## Features

- CONCAVE GLASS MIRROR || 4-inch (100mm) round concave mirror designed for physics and optical experiments. Features a 150mm focal length and 3mm thickness for scientific applications.
- DESIGNED FOR EDUCATION || Manufactured for classroom and laboratory use, providing a practical tool for learning about light reflection, focal points, and optical properties.
- PHYSICS & OPTICS APPLICATIONS || Ideal for demonstrations involving image formation, focal length calculations, and light behavior in concave surfaces.
- VERSATILE EXPERIMENTAL TOOL || Commonly used in physics lessons, optical research, and laboratory setups for investigating mirror equations and ray diagrams.
- LAB-READY FUNCTIONALITY || May contain minor imperfections that do not affect performance, making it suitable for hands-on educational environments.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B079836VBW |
| Capacity | L10.2 x W10.2 cm |
| Customer Reviews | 4.1 4.1 out of 5 stars (38) |
| Date First Available | 27 December 2023 |
| Finish Type | Unfinished |
| Frame finish | Unframed |
| Is Assembly Required | No |
| Item Model Number | PH0520N |
| Item Shape | Round |
| Item model number | PH0520N |
| Manufacturer | Eisco |
| Number of Pieces | 1 |
| Primary material | Glass |
| Product Dimensions | 10.16 x 10.16 x 0.3 cm; 58.97 g |
| Shipping Weight | 0.07 Kilograms |
| Style | Classic |
| Type of Wood | Glass |

## Product Details

- **Brand:** Eisco
- **Frame material:** Glass
- **Product dimensions:** 10.2L x 10.2W centimeters
- **Room type:** Living Room
- **Shape:** Round

## Images

![EISCO Concave Mirror - 4" Dia, 150mm Focal Length - 3mm Thick - Glass Labs - Image 1](https://m.media-amazon.com/images/I/612deRDpnAL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***S on 10 April 2025*

It's great, I actually use it for a spin station, it's that perfect. That's actually why I bought it...LOL.

### ⭐⭐⭐⭐⭐ Review
*by P***S on 18 January 2025*

This mirror provides accurate reflections (considering its concavity).

### ⭐⭐⭐⭐ Review
*by F***N on 26 May 2024*

I purchased to use as a beam spreader from a point source It works in that appication but certainly is not "defraction limited optics'. Took off one star as there is some form of de lamination in the outer edge.

## Frequently Bought Together

- EISCO Concave Mirror - 4" Dia, 150mm Focal Length - 3mm Thick - Glass Labs
- Eisco - Concave Mirror 5.9 Inch Diameter 300mm Focal Length Glass for Physics and Educational Optics Experiments
- EISCO Concave Mirror - 3" Dia., 200mm Focal Length - 3mm Thick - Glass Labs

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sg/products/597519889-eisco-concave-mirror-4-dia-150mm-focal-length-3mm-thick](https://www.desertcart.sg/products/597519889-eisco-concave-mirror-4-dia-150mm-focal-length-3mm-thick)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-28*