---
product_id: 455065617
title: "Comet Spherometer - Brass Dial Head - Includes 3 Steel Legs - 1mm Pitch, 0-10mm Micrometer Scale - For Use in Measuring the Radius of Curvature of Spherical Lenses - Double Disk"
brand: "comet"
price: "S$14"
currency: SGD
in_stock: false
reviews_count: 2
url: https://www.desertcart.sg/products/455065617-comet-spherometer-brass-dial-head-includes-3-steel-legs-1mm
store_origin: SG
region: Singapore
---

# 0.01mm precision scale 1mm pitch fine screw Brass & stainless steel build Comet Spherometer - Brass Dial Head - Includes 3 Steel Legs - 1mm Pitch, 0-10mm Micrometer Scale - For Use in Measuring the Radius of Curvature of Spherical Lenses - Double Disk

**Brand:** comet
**Price:** S$14
**Availability:** ❌ Out of Stock

## Summary

> ⚙️ Measure Curvature Like a Pro — Precision Meets Durability!

## Quick Answers

- **What is this?** Comet Spherometer - Brass Dial Head - Includes 3 Steel Legs - 1mm Pitch, 0-10mm Micrometer Scale - For Use in Measuring the Radius of Curvature of Spherical Lenses - Double Disk by comet
- **How much does it cost?** S$14 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/455065617-comet-spherometer-brass-dial-head-includes-3-steel-legs-1mm)

## Best For

- comet enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Portable:** Lightweight 180g instrument with a 40mm dial head fits seamlessly into your professional toolkit.
- • **Ergonomic Tri-Leg Frame:** Stable three-legged base forms a perfect triangle for consistent and repeatable readings.
- • **Optimized for Optometry:** Specialized design tailored for measuring spherical lenses with ease and reliability.
- • **Engineered for Durability:** Robust brass dial head and stainless steel legs built to withstand rigorous professional use.
- • **Precision at Your Fingertips:** Micrometer scale with 0.01mm accuracy ensures ultra-fine curvature measurements.

## Overview

The Comet Spherometer is a precision instrument designed for measuring the radius of curvature on spherical lenses, featuring a 40mm brass dial head with 1mm pitch and 0.01mm scale accuracy. Built with a sturdy three-legged stainless steel and brass frame, it offers reliable, repeatable measurements ideal for optometry and scientific applications.

## Description

Heavy circular table with three legs. Spherometer instrument used to measure the radius of curvature of a sphere or curved shape, most commonly of a lens. Used in optometry. Features a fine screw moving in a nut on a three-legged frame forming a triangle. Based on the principle of screw. Consists of a base circle of three legs, a central leg that can be raised and lowered, and a reading device. Made of high quality brass and stainless steel. Built to last. Measurements: - 40mm diameter dial head - 1mm pitch with 0.01mm count - 10-0-10mm vertical main scale - 10mm on prongs with micrometer scale with 100 divisions.

Review: Good - Brass made, with chrome plating. Only center bolt is made by iron.
Review: It is not having brass dial. desertcart should get -5 stars for this - It is a cheat. It is having steel dial. desertcart website extremely bad and did not allow me to return the same. It provides me only one option that it will be replaced with similar item from same supplier. desertcart should get -5 stars for this. Similar product available on desertcart itself for much lower price

## Features

- MICROMETER || Economy spherometer instrument used to measure the radius of curvature of a sphere or curved shape, most commonly of a lens - Used in optometry
- USES || Features a fine screw moving in a nut on a three-legged frame forming a triangle - Based on the principle of screw
- PARTS || Consists of a base circle of three legs, a central leg ( Made up of Mild Steel) that can be raised and lowered, and a reading device. Disk and Marking Parts Made up of Brass C.P.
- MEASUREMENTS || 40mm diameter dial head - 1mm pitch with 0.01mm count - 10-0-10mm vertical main scale - 10mm on prongs with micrometer scale with 100 divisions
- DURABLE & STURDY || Made of high quality brass and stainless steel - Built to last

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B5TGXKKX |
| Best Sellers Rank | #94,710 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #15 in Inside Measurement |
| Brand | COMET |
| Customer Reviews | 3.7 3.7 out of 5 stars (13) |
| Date First Available | 31 August 2019 |
| Item Weight | 180 g |
| Item part number | Spherometer |
| Manufacturer | Diwakar Instruments Company |
| Number of Memory Sticks | 1 |
| Package Dimensions | 8.4 x 8.3 x 8.2 cm; 180 g |

## Images

![Comet Spherometer - Brass Dial Head - Includes 3 Steel Legs - 1mm Pitch, 0-10mm Micrometer Scale - For Use in Measuring the Radius of Curvature of Spherical Lenses - Double Disk - Image 1](https://m.media-amazon.com/images/I/5197nCf8S4L.jpg)

## Available Options

This product comes in different **Style Name** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by A***. on 21 May 2023*

Brass made, with chrome plating. Only center bolt is made by iron.

### ⭐ It is not having brass dial. Amazon should get -5 stars for this
*by S***R on 28 June 2024*

It is a cheat. It is having steel dial. Amazon website extremely bad and did not allow me to return the same. It provides me only one option that it will be replaced with similar item from same supplier. Amazon should get -5 stars for this. Similar product available on amazon itself for much lower price

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**Shop now:** [https://www.desertcart.sg/products/455065617-comet-spherometer-brass-dial-head-includes-3-steel-legs-1mm](https://www.desertcart.sg/products/455065617-comet-spherometer-brass-dial-head-includes-3-steel-legs-1mm)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-20*