![Engraving depicting the arrangement of lenses in Johannes Kepler's telescope. This had two double convex lenses and gave a wider field of view. Johannes Kepler (1571-1630) a German mathematician, astronomer, and astrologer. Engraving depicting the arrangement of lenses in Johannes Kepler's telescope. This had two double convex lenses and gave a wider field of view. Johannes Kepler (1571-1630) a German mathematician, astronomer, and astrologer.](https://c8.alamy.com/comp/KJ1MBB/engraving-depicting-the-arrangement-of-lenses-in-johannes-keplers-KJ1MBB.jpg)
Engraving depicting the arrangement of lenses in Johannes Kepler's telescope. This had two double convex lenses and gave a wider field of view. Johannes Kepler (1571-1630) a German mathematician, astronomer, and astrologer.
![SOLVED: 5.*A Keplerian telescope invented by Johannes Kepler consists of a convex objective lens with focal length fo and a convex eyepiece lens with focal length fewith f>fe.The two lenses are separated SOLVED: 5.*A Keplerian telescope invented by Johannes Kepler consists of a convex objective lens with focal length fo and a convex eyepiece lens with focal length fewith f>fe.The two lenses are separated](https://cdn.numerade.com/ask_images/3260b3e842da4cf4942d64b702d859b1.jpg)
SOLVED: 5.*A Keplerian telescope invented by Johannes Kepler consists of a convex objective lens with focal length fo and a convex eyepiece lens with focal length fewith f>fe.The two lenses are separated
Optical Systems: Pinhole Camera • Pinhole camera: simple hole in a box: Called Camera Obscura • Aristotle discussed, Alhazen
![Drawing showing the lenses inside Kepler's telescope. 1878. Johannes Kepler (1571–1630), German astronomer and mathematician Stock Photo - Alamy Drawing showing the lenses inside Kepler's telescope. 1878. Johannes Kepler (1571–1630), German astronomer and mathematician Stock Photo - Alamy](https://l450v.alamy.com/450v/rjaee1/drawing-showing-the-lenses-inside-keplers-telescope-1878-johannes-kepler-15711630-german-astronomer-and-mathematician-rjaee1.jpg)