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In a circular fisheye lens, the image circle is inscribed in the film or sensor area; in a diagonal ("full-frame") fisheye lens, the image circle is circumscribed around the film or sensor area. This implies that using a fisheye lens for a different format than it was intended for is easy (as opposed to a rectilinear lens), and may change its ...
In 2006, Stellarium 0.7.1 won a gold award in the Education category of the Les Trophées du Libre free software competition. [4]A modified version of Stellarium has been used by the MeerKAT project as a virtual sky display showing where the antennae of the radio telescope are pointed.
The 11e/8g Ogura design was licensed by Leitz and assembled by Minolta for Leica R-mount cameras; the Fisheye-Elmarit-R was released in 1974 and continued in production until 2001. [4] When the Minolta A-mount system was released in 1985, the 11e/8g Ogura design was revived as an autofocus lens, the Minolta AF Fish-Eye 16mm f/2.8 (1986).
It is a circular fisheye lens, designed to project a 180-degree field of view in all directions onto a circular image. It is the first such lens to provide the complete circular fisheye effect on crop factor digital SLR cameras, which do not have a full 36x24mm sensor. [1] This lens is available in Canon, Nikon, Sigma, Pentax and Sony mounts.
A wide range of free software and commercial software is available for producing these images. This article lists notable ray-tracing software. This article lists notable ray-tracing software. Software
Hemispherical photograph used to study microclimate of winter roosting habitat at the Monarch Butterfly Biosphere Reserve, Mexico.. Hemispherical photography, also known as canopy photography, is a technique to estimate solar radiation and characterize plant canopy geometry using photographs taken looking upward through an extreme wide-angle lens or a fisheye lens (Rich 1990).
The ED 8 mm f/1.8 Fisheye Pro is available since 2014. This lens has a focussing ring and it is water and dust proof. The anti-reflective coating of the lens with 0.3 times normal focal length has 17 lenses in 15 groups. The front lens is made of extremely high refracting glass in order to allow a small construction. [1]
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