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As with cameras from competitor Panavision, the Alexa 65 camera was available by rental only, provided through the Arri Rental Group. [7] The Alexa 65 uses the A3X sensor, composed of three vertical ALEV III sensors, which has a maximum recordable resolution of 6560x3100. [8] [9]
Sensor size Crop factor [1] Lens Mount [2] Recording media [3] Codec Maximum video resolution ISO range Dynamic range (at native/peak ISO) Shutter type Anamorphic shooting Internal filters Frame rate(s −1) Arri: Alexa [4] Alexa Plus 23.76 x 13.37 mm 1.52 Arri PL: SxS card, T-link recorder (optional XR module upgrade) [5]
The Arri Alexa 65, released in 2014, was used in the filming of The Revenant as well as Mission: Impossible – Rogue Nation and Star Wars: Rogue One. [44] The Arri Amira camera was also released in 2014. [22] In 2015, four of the five nominees for the cinematography category of the Academy Awards were filmed using the Arri Alexa. [45]
David Pogue of The New York Times states that "the actual sensor size is much smaller than what the camera companies publish – about one-third smaller." For example, a camera advertising a 1/2.7" sensor does not have a sensor with a diagonal of 0.37 in (9.4 mm); instead, the diagonal is closer to 0.26 in (6.6 mm).
Arri Alexa; Astrodesign AH-4413 – released in 2012 and records at 3840×2160 (8.3 megapixels) [2] AXIOM is an open source hardware modular camera that allows users to swap sensors. For research and development the ams Sensors Belgium CMV12000 was used, which allows the camera to record up to 300 fps (10 bit), 132 fps (12 bit) at 4K Resolution [3]
The Arri 765 is a 65 mm camera with a 5-perforation pull-down mechanism. The mirror reflex shutter is manually adjustable between 180° and 15° and has a diameter of 200 mm. The camera can record between 2 and 100 fps, the motors can run both in forward and reverse mode.
Taking simultaneously two differently exposed images with full resolution and frame rate via a sensor with dual gain architecture. For example: Arri Alexa's sensor, [27] Samsung sensors with Smart-ISO Pro. [28] Some cameras designed for use in security applications can automatically provide two or more images for each frame, with changing exposure.
The Arri Alexa captured a 2.8k image. During 2009 at least two major Hollywood films, Knowing and District 9 , were shot in 4K on the Red One camera, followed by The Social Network in 2010. As of 2017 [update] , 4K cameras are now commonplace, with most high-end films being shot at 4K resolution.