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: Some [[telescope]]s use [[Convex Lens|convex lenses]] to [[refract]] [[light]] to [[focus]] and [[magnify]] an [[image]] of a distant [[object]].
: Some [[telescope]]s use a curved [[mirror]] to collect and [[focus]] the [[light]] and an [[Eyepiece Lens|eyepiece lens]] to [[magnify]] the [[image]].
===References===
====Edexcel====
:[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Telescopes, page 118, GCSE Physics, Pearson Edexcel '']
:[https://www.amazon.co.uk/gp/product/1782945733/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945733&linkCode=as2&tag=nrjc-21&linkId=2a2dbec9db6bf5766c0458d908fa0a52 ''Telescopes, page 63, GCSE Physics; The Revision Guide, CGP, Edexcel '']
:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Telescopes, pages 189, 190, GCSE Physics, CGP, Edexcel '']