---
product_id: 121454298
title: "Telescope Mirror Set - 102mm Primary & 38mm X 27mm Secondary + Cells"
brand: "cassini"
price: "$28.56"
currency: USD
in_stock: false
reviews_count: 1
url: https://www.desertcart.us/products/121454298-telescope-mirror-set-102mm-primary-and-38mm-x-27mm-secondary
store_origin: US
region: United States of America
---

# 38mm Secondary 102mm Primary Metal Cells Telescope Mirror Set - 102mm Primary & 38mm X 27mm Secondary + Cells

**Brand:** cassini
**Price:** $28.56
**Availability:** ❌ Out of Stock

## Summary

> 🌌 See the Universe in a New Light!

## Quick Answers

- **What is this?** Telescope Mirror Set - 102mm Primary & 38mm X 27mm Secondary + Cells by cassini
- **How much does it cost?** $28.56 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/121454298-telescope-mirror-set-102mm-primary-and-38mm-x-27mm-secondary)

## Best For

- cassini enthusiasts

## Why This Product

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

## Key Features

- • **Durable Design:** Built to last with robust metal cells for both primary and secondary mirrors.
- • **Easy Installation:** Quick and hassle-free setup to get you observing the night sky in no time!
- • **Crystal Clear Views:** Enjoy stunning clarity with our high-quality plate glass construction.
- • **Perfect for Enthusiasts:** Ideal for both budding astronomers and seasoned stargazers alike.
- • **Unleash Your Inner Astronomer:** Experience the cosmos like never before with our precision-engineered mirrors.

## Overview

This Telescope Mirror Set includes a 102mm spherical primary mirror and a 38mm x 27mm secondary mirror, both housed in durable metal cells. Crafted from high-quality plate glass, this set is designed for optimal clarity and longevity, making it perfect for both amateur and professional astronomers.

## Description

102mm Spherical Primary Mirror + Metal Cell Collimation Dot Cell Specs: OD= 145mm ID= 140mm Diffraction limited optics(1/4 wave in Sodium Light) Plate Glass (Both Primary & Secondary) Aluminized(92%) and SiO(Quartz Overcoat) Heavy Duty Push/Pull Collimation Screws on back of Primary Cell Resolving power in arc seconds: 1.4. 750mm Focal Length. 38mm X 27mm Secondary Mirror + Metal Cell Cell Specs: OD= 145mm ID= 140mm 4 Vane Spider Cell for Secondary (38mm X 27mm) Secondary average obstruction: 25% (linear) app 6% total area.

## Features

- 102mm Spherical Primary Mirror + Metal Cell
- 38mm X 27mm Secondary Mirror + Metal Cell
- Plate Glass
- Sperical Primary Mirror

## Product Details

- **Brand:** Cassini
- **Objective Lens Diameter:** 102 Millimeters
- **Finderscope:** Reflex
- **Focal Length Description:** 750 millimeters
- **Manufacturer:** Cosmo Brands Inc.

## Images

![Telescope Mirror Set - 102mm Primary & 38mm X 27mm Secondary + Cells - Image 1](https://m.media-amazon.com/images/I/41j1OKlPApL.jpg)
![Telescope Mirror Set - 102mm Primary & 38mm X 27mm Secondary + Cells - Image 2](https://m.media-amazon.com/images/I/71aW5INEfuL.jpg)
![Telescope Mirror Set - 102mm Primary & 38mm X 27mm Secondary + Cells - Image 3](https://m.media-amazon.com/images/I/71MfYwfVB9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ As promised
*by C***Y on March 11, 2016*

I ordered on the 2nd rec'd on 5th. It came packed well. Quality seems good although I won't know how good the optics are until I build the scope. But for fourty bucks I can' complain if it's only mediocre. It is priced less than recoating my old 4.25" mirror . If optics suck I'll revise this review If its ok I won't. Clear skies to all. My thanks to Cassini. 4stars because nothing is ever perfect.

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**Shop now:** [https://www.desertcart.us/products/121454298-telescope-mirror-set-102mm-primary-and-38mm-x-27mm-secondary](https://www.desertcart.us/products/121454298-telescope-mirror-set-102mm-primary-and-38mm-x-27mm-secondary)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-04-27*