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The Sigma 12–24mm f/4.5–5.6, introduced in 2003, a rectilinear ultra-wide zoom designed for the 35 mm format (both film and digital), providing a slightly wider field of view. The company replaced this lens in 2016 with a version offering the same focal length range but a constant maximum aperture of f/4 .
Ultra wide angle lenses have a focal length shorter than the short side of the film or sensor [citation needed]. In 35 mm, an ultra wide-angle lens has a focal length shorter than 24 mm. Common wide-angle lenses for a full-frame 35 mm camera are 35, 28, 24, 21, 20, 18, and 14 mm
Cross-section of a typical retrofocus wide-angle lens. Extreme or ultra-wide-angle lens - a wide-angle lens with an angle of view above 90 degrees. [4] Extreme-wide-angle lenses share the same issues as ordinary wide-angle lenses but the focal length of such lenses may be so short that there is insufficient physical space in front of the film ...
The Zeiss Hologon is an ultra wide-angle f=15mm f / 8 triplet lens, providing a 110° angle of view for 35mm format cameras. The Hologon was originally fitted to a dedicated camera, the Zeiss Ikon Contarex Hologon in the late 1960s; as sales of that camera were poor and the Zeiss Ikon company itself was going bankrupt, an additional 225 lenses were made in Leica M mount and released for sale ...
The term wide-angle lens denotes a lens that has an image circle diameter significantly wider than the lens focal length The Hypergon is a wide angle lens that covers a flat field. It is constructed symmetrically consisting of two deep meniscus elements that almost form a sphere .
Laowa 9 mm f/2.8 super wide angle lens for APS-C, introduced in 2015 Laowa 25 mm 2.5-5x ultra macro lens for full frame, introduced in 2018 The first lens was the 60 mm f/2.8 2 x Ultra Macro, a full frame lens with a magnification factor of 2:1 that could also be focused to infinity which is unique. [ 8 ]
Some camera companies make no lenses, but usually at least sell a lens from some lens maker with their cameras as part of a package. Note that many optical instruments such as microscopes , telescopes , spotting scopes and so forth can be used as photographic lenses; manufacturers of these types of equipment are not included here (unless they ...
Cosina is the successor to NikÅ (or "Nikoh"), a company set up as a lens processing factory in February 1959, which was a pioneer in optical polishing and lens grinding in Japan. [1] In 1966, it also started to manufacture 35 mm compact cameras and 8 mm cine cameras , and a year later started the manufacture of 35mm film SLR cameras ; in 1968 ...