How Long Do Telescope Mirrors Last at Alden Kyle blog

How Long Do Telescope Mirrors Last. Refracting telescopes use lenses — combining at least two, and as many as four, pieces of glass. To clean the mirrors in a reflector telescope, you’ll need to be confident about taking the telescope apart and putting it back together again — and about collimating the telescope. The coatings may last 2 years or they may last 8 years. The three main types of telescopes use lenses, mirrors, or a combination of both. The mirrors will last longer than we will, assuming they are not broken, or exposed to contaminants that etch and therefore damage the glass. While it’s true that the aluminized surface of a telescope mirror will deteriorate over time, there is no hard and fast rule about how long this will take. Depends how often they get damp and it depends how good the coating.

James b Space Telescope's golden mirror in final test BBC News
from www.bbc.co.uk

While it’s true that the aluminized surface of a telescope mirror will deteriorate over time, there is no hard and fast rule about how long this will take. To clean the mirrors in a reflector telescope, you’ll need to be confident about taking the telescope apart and putting it back together again — and about collimating the telescope. Depends how often they get damp and it depends how good the coating. The three main types of telescopes use lenses, mirrors, or a combination of both. Refracting telescopes use lenses — combining at least two, and as many as four, pieces of glass. The coatings may last 2 years or they may last 8 years. The mirrors will last longer than we will, assuming they are not broken, or exposed to contaminants that etch and therefore damage the glass.

James b Space Telescope's golden mirror in final test BBC News

How Long Do Telescope Mirrors Last The three main types of telescopes use lenses, mirrors, or a combination of both. Refracting telescopes use lenses — combining at least two, and as many as four, pieces of glass. The coatings may last 2 years or they may last 8 years. The three main types of telescopes use lenses, mirrors, or a combination of both. Depends how often they get damp and it depends how good the coating. To clean the mirrors in a reflector telescope, you’ll need to be confident about taking the telescope apart and putting it back together again — and about collimating the telescope. The mirrors will last longer than we will, assuming they are not broken, or exposed to contaminants that etch and therefore damage the glass. While it’s true that the aluminized surface of a telescope mirror will deteriorate over time, there is no hard and fast rule about how long this will take.

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