Zight Mirror Blanks

Why can you not machine a tempered glass

Andrea Rubira · April 3, 2024

A man crafting glass in a factory with an industrial furnace in the background.

Tempered glass, prized for its strength and safety properties, is a popular choice for a wide range of applications, from automotive windows to smartphone screens. However, its unique manufacturing process presents challenges when it comes to machining and shaping the glass into complex shapes, such as telescope mirrors. The tempering process involves heating the glass […]


How to make a telescope from a circular glass

Andrea Rubira · April 1, 2024

Making a telescope from a circular glass blank is a rewarding and fulfilling DIY project that allows you to create a custom telescope tailored to your specifications. With some basic tools and materials, you can transform a plain glass disk into a fully functional telescope mirror that will provide years of stargazing enjoyment. The first […]


How does the quality of the glass affects a telescope mirror

Andrea Rubira · March 22, 2024

In the image, a boy and a man are together, looking upwards with a telescope as they observe the night sky. The dark silhouette of trees stands against the starry backdrop, while the moonlight gently illuminates the landscape

The quality of the glass used in a telescope mirror plays a crucial role in determining the performance and clarity of the images produced. When it comes to telescope mirrors, the glass must meet stringent criteria to ensure optimal optical performance. One of the primary factors affecting the quality of the glass is its purity […]


How to best choose the type of mirror for your telescope

Andrea Rubira · March 20, 2024

Person with a telescope observing the starry night sky

Selecting the right type of mirror for your telescope is crucial for achieving optimal performance and image quality. There are several factors to consider when choosing a mirror, including its material, size, and shape, as well as the specific requirements of your observing goals. One of the most common materials used for telescope mirrors is […]