how to make convex lens
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Lenses and mirrors made of glass can be a few meters in size. But at that scale they easily break and the expansion/contraction can spoil the focus.
For very large applications, mirrors are better, since it can be purely polished metal. In solar collectors, hundreds of smaller mirrors combine to form a single one.
When very large sizes are needed, Fresnel lenses, even made of plastic, can do a reasonable job if the purpose is to concentrate energy.
For very large applications, mirrors are better, since it can be purely polished metal. In solar collectors, hundreds of smaller mirrors combine to form a single one.
When very large sizes are needed, Fresnel lenses, even made of plastic, can do a reasonable job if the purpose is to concentrate energy.
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Answered by
1
Lenses and mirrors made of glass can be a few meters in size. But at that scale they easily break and the expansion/contraction can spoil the focus.
For very large applications, mirrors are better, since it can be purely polished metal. In solar collectors, hundreds of smaller mirrors combine to form a single one.
When very large sizes are needed, Fresnel lenses, even made of plastic, can do a reasonable job if the purpose is to concentrate energy.
HEY IT'S ON YOUTUBE 2ND VIDEO...!
HOW TO MAKE CONVEX LENS..!!
★ Hope it is useful ★
For very large applications, mirrors are better, since it can be purely polished metal. In solar collectors, hundreds of smaller mirrors combine to form a single one.
When very large sizes are needed, Fresnel lenses, even made of plastic, can do a reasonable job if the purpose is to concentrate energy.
HEY IT'S ON YOUTUBE 2ND VIDEO...!
HOW TO MAKE CONVEX LENS..!!
★ Hope it is useful ★
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