| 11. | These are apochromatic telephoto lenses using a 5-element variation of the Tele-Xenar design.
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| 12. | An inexpensive 4-element, 2-group telephoto lens design featuring 35?of coverage.
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| 13. | His father Lionel Booth is credited as the inventor of the telephoto lens.
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| 14. | Through the eyes of the telephoto lens, Diana's loyal lovers followed.
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| 15. | A homemade telephoto lens might be constructed from cardboard tubes or plastic pipes.
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| 16. | "I've stared into enough telephoto lenses for one lifetime ."
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| 17. | How about a law against the use of telephoto lens and parabolic listening devices?
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| 18. | Canon and Nikon have used Fresnel lenses to reduce the size of telephoto lenses.
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| 19. | Most professional telephoto lenses since the early 1980s are apochromatic.
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| 20. | From his surfing movie days, Brown was used to working with super telephoto lenses.
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