---
product_id: 612425087
title: "CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue"
brand: "caume"
price: "$112.56"
currency: USD
in_stock: true
category: "Caume"
url: https://www.desertcart.ec/products/612425087-caume-50mm-apochromatic-objective-lens-for-diy-astronomical-telescope-blue
store_origin: EC
region: Ecuador
---

# F7.2 focus ratio for precise image clarity 50mm aperture for crisp celestial views Blue film coating reduces chromatic aberration CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue

**Brand:** caume
**Price:** $112.56
**Availability:** ✅ In Stock

## Summary

> 🔭 See the stars like never before — don’t just observe, experience the cosmos!

## Quick Answers

- **What is this?** CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue by caume
- **How much does it cost?** $112.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/612425087-caume-50mm-apochromatic-objective-lens-for-diy-astronomical-telescope-blue)

## 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

- • **Compact Powerhouse:** Slim 51mm diameter fits seamlessly into your custom telescope build without bulk or weight.
- • **Crystal-Clear Cosmic Vision:** Apochromatic double-separation optics eliminate color fringing for razor-sharp star gazing.
- • **Precision-Paired for Perfection:** Each lens set is rigorously tested and matched to guarantee consistent, high-quality imaging every time.
- • **Versatile Astronomical Essential:** Ideal for DIY telescopes and optical testing instruments, empowering your next-level stargazing setup.
- • **Built to Last, Designed to Perform:** Durable two-piece lens design prevents yellowing and edge peeling over time—no compromises on clarity.

## Overview

The CAUME 50mm Apochromatic Objective Lens features a high-precision double-separation optical design with a durable two-piece lens structure and blue film coating, delivering sharp, low-dispersion images ideal for DIY astronomical telescopes and optical testing. Each lens is quality-tested for consistent performance, making it a reliable choice for serious stargazers and optics enthusiasts.

## Description

desertcart.com : CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue : Electronics

## Features

- Model:50mm, Diameter:51mm, Focus:360, Focusratio:F7.2, Film:Blue
- 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 | B0CMZ33S5D |
| Best Sellers Rank | #93 in Microscope Lenses |
| Date First Available | November 9, 2023 |
| Manufacturer | CAUME |
| Product Dimensions | 1.97 x 1.97 x 0.7 inches |

## Product Details

- **Brand:** CAUME
- **Focal Length Description:** 50.0 millimeters
- **Lens Type:** Standard
- **Minimum Focal Length:** 50 Millimeters

## Images

![CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue - Image 1](https://m.media-amazon.com/images/I/51PswirEGLL.jpg)
![CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue - Image 2](https://m.media-amazon.com/images/I/51lxPd4KCUL.jpg)
![CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue - Image 3](https://m.media-amazon.com/images/I/51HK5xSC-7L.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.ec/products/612425087-caume-50mm-apochromatic-objective-lens-for-diy-astronomical-telescope-blue](https://www.desertcart.ec/products/612425087-caume-50mm-apochromatic-objective-lens-for-diy-astronomical-telescope-blue)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-14*