{"query": "The exposure value of a camera setting", "count": 20, "results": [{"id": "card_works_exposure", "title": "The exposure value of a camera setting", "shelf": "the-works", "surface": "secular", "snippet": "At f/8 and 1/250 s the exposure value is EV = log₂(N²/t) ≈ 13.97 — the single number that makes a bright beach and a dim room comparable.  Worked & sealed by the engine — EV = log₂(8² / 0.004) ≈ 13.97", "authority_tier": "verified", "source": "The Works — worked & sealed", "generated": false}, {"id": "card_src_book_33034", "title": "Premo Cameras, 1914 — Canadian Kodak Company", "shelf": "gutenberg", "surface": "secular", "snippet": "Premo Cameras, 1914, by Canadian Kodak Company. Subjects: Premo camera -- Catalogs; Cameras -- Catalogs. Read the full text (public domain): https://www.gutenberg.org/ebooks/33034", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_word_cine_camera", "title": "cine-camera", "shelf": "dictionary", "surface": "secular", "snippet": "cine-camera: (noun) a camera that takes a sequence of photographs that can give the illusion of motion when viewed in rapid succession — syn: motion-picture camera, movie camera", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_movie_camera", "title": "movie camera", "shelf": "dictionary", "surface": "secular", "snippet": "movie camera: (noun) a camera that takes a sequence of photographs that can give the illusion of motion when viewed in rapid succession — syn: motion-picture camera, cine-camera", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_motion_picture_camera", "title": "motion-picture camera", "shelf": "dictionary", "surface": "secular", "snippet": "motion-picture camera: (noun) a camera that takes a sequence of photographs that can give the illusion of motion when viewed in rapid succession — syn: movie camera, cine-camera", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_camera", "title": "camera", "shelf": "dictionary", "surface": "secular", "snippet": "camera: (noun) equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other) — syn: photographic camera · (noun) television equ", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_television_camera", "title": "television camera", "shelf": "dictionary", "surface": "secular", "snippet": "television camera: (noun) television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam — syn: tv camera, camera", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_tv_camera", "title": "tv camera", "shelf": "dictionary", "surface": "secular", "snippet": "tv camera: (noun) television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam — syn: television camera, camera", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_photographic_camera", "title": "photographic camera", "shelf": "dictionary", "surface": "secular", "snippet": "photographic camera: (noun) equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other) — syn: camera", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_camera_obscura", "title": "camera obscura", "shelf": "dictionary", "surface": "secular", "snippet": "camera obscura: (noun) a darkened enclosure in which images of outside objects are projected through a small aperture or lens onto a facing surface", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_book_15975", "title": "Camera Obscura — Hildebrand", "shelf": "gutenberg", "surface": "secular", "snippet": "Camera Obscura, by Hildebrand (in nl). Subjects: Dutch literature. Read the full text (public domain): https://www.gutenberg.org/ebooks/15975", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_word_schmidt_camera", "title": "schmidt camera", "shelf": "dictionary", "surface": "secular", "snippet": "schmidt camera: (noun) reflecting telescope that has plate that corrects for aberration so a wide area of sky can be photographed — syn: Schmidt telescope", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_television_camera_tube", "title": "television-camera tube", "shelf": "dictionary", "surface": "secular", "snippet": "television-camera tube: (noun) a tube that rapidly scans an optical image and converts it into electronic signals — syn: television pickup tube", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_camera_lucida", "title": "camera lucida", "shelf": "dictionary", "surface": "secular", "snippet": "camera lucida: (noun) an optical device consisting of an attachment that enables an observer to view simultaneously the image and a drawing surface for sketching it", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_book_35709", "title": "Making Your Camera Pay — Frederick C. Davis", "shelf": "gutenberg", "surface": "secular", "snippet": "Making Your Camera Pay, by Frederick C. Davis. Subjects: Commercial photography. Read the full text (public domain): https://www.gutenberg.org/ebooks/35709", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_book_30096", "title": "The Camera Fiend — E. W. (Ernest William) Hornung", "shelf": "gutenberg", "surface": "secular", "snippet": "The Camera Fiend, by E. W. (Ernest William) Hornung. Subjects: Detective and mystery stories. Read the full text (public domain): https://www.gutenberg.org/ebooks/30096", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_book_54634", "title": "With a camera in Majorca — Margaret D'Este", "shelf": "gutenberg", "surface": "secular", "snippet": "With a camera in Majorca, by Margaret D'Este. Subjects: Majorca (Spain) -- Description and travel. Read the full text (public domain): https://www.gutenberg.org/ebooks/54634", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_book_68874", "title": "El la \"Camera obscura\" — Hildebrand", "shelf": "gutenberg", "surface": "secular", "snippet": "El la \"Camera obscura\", by Hildebrand (in eo). Subjects: Dutch fiction -- Translations into Esperanto. Read the full text (public domain): https://www.gutenberg.org/ebooks/68874", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_book_32361", "title": "The Prophetic Camera — John McGreevey", "shelf": "gutenberg", "surface": "secular", "snippet": "The Prophetic Camera, by John McGreevey. Subjects: Science fiction; Short stories; Photography -- Fiction. Read the full text (public domain): https://www.gutenberg.org/ebooks/32361", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_book_55694", "title": "Flash Evans, Camera News Hawk — Frank Bell", "shelf": "gutenberg", "surface": "secular", "snippet": "Flash Evans, Camera News Hawk, by Frank Bell. Subjects: Photojournalists -- Juvenile fiction. Read the full text (public domain): https://www.gutenberg.org/ebooks/55694", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}]}