focus of lens
101Minolta AF 70-210mm f/4 lens — Minolta 70 210mm f/4 Macro The beercan Key features Maker: Minolta Image …
102Critical focus — In a photograph, the area of critical focus is the portion of the picture that is optically in focus. This does not relate to depth of field which describes apparent sharpness. Reducing the size of the aperture will increase the depth of field… …
103Fisheye lens — In photography, a fisheye lens is a wide angle lens that takes in an extremely wide, hemispherical image. Originally developed for use in meteorology [Hill, R. 1924. A lens for whole sky photographs. Quarterly Journal of the Royal Meteorological… …
104Large format lens — Large format lenses are photographic optics that provide an image circle large enough to cover large format film or plates. Large format lenses are typically used in large format cameras and view cameras.Photographic optics generally project a… …
105Nimrud lens — The Nimrud Lens The lens on display in the British Museum Material Rock crystal Size Diameter: 38 mm (1.5 in) Thickness: 23 mm (0.9 in)[1] …
106zoom lens — noun a camera lens that magnifies the image • Syn: ↑telephoto lens • Hypernyms: ↑camera lens, ↑optical lens * * * noun : a camera lens in which the focal length and the image size can be varied continuously so that the image remains in focus at… …
107Nikon F 70-300mm lens — A Nikon D80 with a Nikkor AF f/4 5.6G. The 70 300mm lens is a telephoto zoom lens made by Nikon. The lens has an F mount to work with all the SLRs line of cameras (except the early 70 300G with th …
108converging lens — noun lens such that a beam of light passing through it is brought to a point or focus • Syn: ↑convex lens • Hypernyms: ↑lens, ↑lense, ↑lens system • Hyponyms: ↑sunglass * * * noun …
109Breathing (lens) — Breathing refers to when a lens optics change the apparent focal length slightly when shifting the mechanical focus. Some (often more expensive) lenses are designed to lessen the degree this effect. Lens breathing does not prevent one from… …
110Achromatic lens — An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected to bring two wavelengths (typically red and blue) into focus in the same plane.The most common… …
