Arri - ARRI Signature Prime 18/T1.8 METRIC

Arri KK.0019191 - ARRI Signature Prime 18/T1.8 METRIC

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Arri KK.0019191 - ARRI Signature Prime 18/T1.8 METRIC
Arri KK.0019191 - ARRI Signature Prime 18/T1.8 METRIC
SP18/T1.8M - front diameter: diameter 114mm. Delivered in case
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Arri Signature Prime 18/T1.8 Metric
Accompanying the ALEXA LF camera, 16 ARRI Signature Prime large format lenses, ranging from 12 mm to 280 mm and fitted with the ARRI LPL mount. Whilst the Signature Primes embody cutting-edge optical precision, they have been designed to render organic and emotionally engaging images, gently softening and texturing the large format with natural skin tones and creamy bokeh. A fast T1.8 aperture facilitates shallow depth of field and the smooth focus transition gives subjects increased presence in the frame. The ARRI Signature Prime range is the first series of cinema lenses to feature machined magnesium lens bodies, making the optics incredibly lightweight and robust. They are also the first to incorporate ARRI's next-generation LDS-2 lens data system, with high data rates and absolute encoders for rapid initialisation. LDS-2 extends the possibilities of lens data and is licensed to other lens and camera manufacturers. Whilst the camera, lens mount and lenses are new, full compatibility with existing PL mount lenses and ALEXA accessories is a cornerstone of the system design. A PL to LPL adapter provides backward compatibility with all PL mount lenses, whether Super 35 or full frame. The adapter attaches securely to the LPL lens mount without tools, allowing crews to quickly switch from a PL lens to an LPL lens on set. Directors of photography are therefore offered unlimited lens choice, with complete lens metadata accessible from LDS-2, LDS-1 or /i lenses. For even greater cross-system compatibility, an LPL lens mount can be installed on existing ALEXA, ALEXA Mini and AMIRA cameras. The ARRI Signature Primes and other future LPL mount lenses can therefore be used for both Super 35 and large format on productions combining both. Features - Exceptionally smooth bokeh for pleasing background separation - Soft and delicate flares - Beautiful finely rendered detail - Optimal results with all sensors thanks to quasi-telecentric design - Fitted with the new LPL lens mount - Covering all image circles up to 46 mm large format
 

 

Specifications

 

Lens mount

LPL

Minimum focus distance from sensor plane (minimum marked distance)

0.35 m / 14"

Minimum focus distance from front of lens

0.13 m / 5.1"

Length from flange

178 mm / 7.01"

Magnification ratio at minimum focus distance (Paraxial)

1:9.2

Entrance pupil position (relative to image plane, towards object)

189.9 mm / 7.48"

Field angle H - V - D for LF Open Gate

91.4° / 71.0° / 102.6°

Front diameter

114 mm / 4.49"

Maximum housing diameter

115 mm / 4.53"

Weight (lens only)

2.0 kg / 4.4 lb

 

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