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Cross-section of a typical short-focus wide-angle lens. Cross-section of a typical retrofocus wide-angle lens. There are two varieties of wide-angle lens: short-focus lenses and retrofocus lenses. Short-focus lenses are generally made up of multiple glass elements whose shapes are more or less symmetrical in front of and behind the diaphragm.
Ultra wide angle lens is a rectilinear which is less than 24 mm of focal length in 35 mm film format, here 14 mm gives 114° and 24 mm gives 84° . Wide-angle lenses (24–35 mm in 35 mm film format) cover between 84° and 64° Normal, or Standard lenses (36–60 mm in 35 mm film format) cover between 62° and 40°
A fisheye lens is an ultra wide-angle lens that produces strong visual distortion intended to create a wide panoramic or hemispherical image. [ 4 ] [ 5 ] : 145 Fisheye lenses achieve extremely wide angles of view , well beyond any rectilinear lens.
These new lenses included 35–80 mm f /4–5.6 (with built-in lens cap), 80–200 mm f /4.5–5.6, 35–105 mm f /3.5–4.5, 70–210 mm f /3.5–4.5, and 100–300 mm f /4.5–5.6. [ 4 ] Some of the original lenses were updated and re-released with the same cosmetics and are known as "New" or "Restyled" versions; minor optical updates such as ...
Lens mounts Focal length [a] Aperture OIS Weight Length Release year Availability Wide Tele Wide Tele Samsung 16-50mm F2-2.8: NX: 24mm 75mm f / 2.0 f / 2.8 Yes 622g 97mm 2014 Discontinued: Fujifilm 16-55mm F2.8 II X: 24mm 83mm f / 2.8 f / 2.8 No 410g 95mm 2024 Current: Sony 16-55mm F2.8 E: 24mm 83mm f / 2.8 f / 2.8 No 494g 100mm 2019 Current ...
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 ...