focus of lens

  • 91Canon FD lens mount — The Canon FD lens mount is a physical standard for connecting a photographic lens to a single lens reflex camera body. The standard was developed by Canon of Japan and was introduced in March 1971 with the Canon F 1 camera. It was the primary… …

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  • 92Canon EF 800mm lens — Infobox photographic lenses name = EF 800mm f/5.6L IS USM caption = The Canon EF 800mm f/5.6L IS USM maker = Canon feat is = y feat usm = y feat sbf = feat macro = feat special = type = p application = Super Telephoto flength = 800mm fov =… …

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  • 93Canon EF 35mm lens — The EF 35mm lenses are a group of wide angle prime lenses made by Canon Inc. that share the same focal length.Focal lengths of 24mm to 35mm are considered wide angle. So the focal length of these lenses are at the long end of the wide angle range …

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  • 94Canon EF 85mm lens — The EF 85mm lenses are a group of medium telephoto prime lenses made by Canon Inc. that share the same focal length.These lenses have an EF type mount, that fits the Canon EOS line of cameras. Focal lengths of 70mm to 200mm are usually used for… …

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  • 95Canon EF-S lens mount — The EF S lens mount is a derivative of the EF lens mount created for a subset of Canon digital single lens reflex cameras with APS C sized image sensors. Cameras supporting the EF S mount are backward compatible with the EF lens mount.The S in EF …

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  • 96Sigma 30mm f/1.4 EX DC HSM lens — Infobox photographic lenses name = Sigma 30mm f/1.4 EX DC HSM maker = Sigma Corporation feat is = No feat usm = Yes (not available with Pentax and Sony mount) feat sbf = n feat macro = n application = interiors/portrait flength = 30 mm aperture …

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  • 97Canon MP-E 65mm f/2.8 1-5x Macro lens — Infobox photographic lenses name = MP E 65mm Macro f/2.8 maker = Canon caption = The lens at 1x magnification, mounted on its tripod collar. feat is = n feat usm = n feat sbf = n feat macro = y feat special = 5:1 macro type = p application =… …

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  • 98Fixed focus — A fixed focus lens is a lens of which the focus is not adjustable. The focus is set at the time of manufacture, and remains fixed. The focus is generally set so the depth of field ranges from one metre to infinity, which is acceptable for most… …

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  • 99Minolta AF 75-300mm f/4.5-5.6 lens — Sony AF 75 300mm f/4.5 5.6 Key features Maker: Sony Application: telephoto zoom lens Technical data Type: Zoom Focal length: 75 300mm …

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  • 100Twin-lens reflex camera — A twin lens reflex camera (TLR) is a type of camera with two objective lenses of the same focal length. One of the lenses is the photographic objective (the lens that takes the picture), while the other is used for the waist level viewfinder… …

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