---
product_id: 671422660
title: "Optical Glass Objective Lens Concave&Convex Lens for DIY Astronomical Telescope 80mm"
brand: "caume"
price: "A$115"
currency: AUD
in_stock: true
category: "Caume"
url: https://www.desertcart.com.au/products/671422660-optical-glass-objective-lens-concave-and-convex-lens-for-diy
store_origin: AU
region: Australia
---

# F7.5 focal ratio for sharp, bright imaging 80mm aperture for crisp celestial views Apochromatic double-separation lens for color accuracy Optical Glass Objective Lens Concave&Convex Lens for DIY Astronomical Telescope 80mm

**Brand:** caume
**Price:** A$115
**Availability:** ✅ In Stock

## Summary

> 🔭 See the universe like never before—because your telescope deserves the best!

## Quick Answers

- **What is this?** Optical Glass Objective Lens Concave&Convex Lens for DIY Astronomical Telescope 80mm by caume
- **How much does it cost?** A$115 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/671422660-optical-glass-objective-lens-concave-and-convex-lens-for-diy)

## Best For

- caume enthusiasts

## Why This Product

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

## Key Features

- • **Apochromatic Brilliance:** Double-separation optical design eliminates chromatic aberration for true-to-life colors.
- • **Precision Focus Mastery:** F7.5 focal ratio ensures bright, high-contrast views of distant stars and planets.
- • **Quality-Tested Consistency:** Each lens set is rigorously tested for flawless imaging performance, so you never miss a detail.
- • **Crystal-Clear Cosmic Clarity:** 80mm diameter lens captures stunningly sharp astronomical images.
- • **Durability Meets Performance:** Bonded lens structure resists yellowing and edge peeling over time—built to last.

## Overview

This 80mm optical glass objective lens features a high-precision apochromatic double-separation design with an F7.5 focal ratio, delivering sharp, low-dispersion images ideal for DIY astronomical telescopes. Engineered for durability and tested for consistent performance, it ensures vibrant, clear views of celestial objects without color distortion or aging issues.

## Description

desertcart.com : Optical Glass Objective Lens Concave&Convex Lens for DIY Astronomical Telescope 80mm : Electronics

## Features

- Model:80mm, Diameter:83mm, Focus:600, Focusratio:F7.5, Film:Green
- The objective lenses are all equipped with apochromatic double-separation optical structure, and the two-piece apochromatic lenses have better compatibility with the bonded ones, resulting in high imaging sharpness with no worry about the aging of the photosensitive glue in the large-diameter objective lenses that may cause yellowing and edge peeling over time.
- The objective lenses are tested and paired for imaging quality through a parallel light pipeline and dividing plate, ensuring that each set of objective lenses delivers consistent imaging performance.
- High-resolution, low-dispersion objective lenses are the best choice for various applications such as telescope objective lenses and parallel light pipeline production testing instruments.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CMZGQHLV |
| Best Sellers Rank | #41 in Microscope Lenses |
| Date First Available | November 9, 2023 |
| Manufacturer | CAUME |
| Product Dimensions | 3.15 x 3.15 x 0.8 inches |

## Product Details

- **Brand:** CAUME
- **Focal Length Description:** 80.0 millimeters
- **Lens Type:** Telephoto
- **Maximum Focal Length:** 80 Millimeters
- **Minimum Focal Length:** 80 Millimeters

## Images

![Optical Glass Objective Lens Concave&Convex Lens for DIY Astronomical Telescope 80mm - Image 1](https://m.media-amazon.com/images/I/51PswirEGLL.jpg)

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**Shop now:** [https://www.desertcart.com.au/products/671422660-optical-glass-objective-lens-concave-and-convex-lens-for-diy](https://www.desertcart.com.au/products/671422660-optical-glass-objective-lens-concave-and-convex-lens-for-diy)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-01*