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Alura Studio Zooms

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Category: Zoom Lenses
Brand: ARRI
Code: Alura Studio Zooms

ARRI and FUJINON have joined their extensive expertise to create a completely new family of modern cine zooms. Using the latest in optical design technology and innovative manufacturing techniques, the ARRI/FUJINON Alura Zooms combine the highest optical performance with an amazingly small size, weight and price. They are available as Studio zooms for use on a tripod or crane with a wider focal range, or as lightweight zooms which are significantly smaller and lighter in exchange for a reduced focal range.

All Alura Zooms' color characteristics, as well as their handling, are matched to existing prime lenses in ARRI's outstanding repertoire

Name ARRI/FUJINON Alura Zoom 18-80   ARRI/FUJINON Alura Zoom 45-250  
Lens Mount(1) PL   PL  
Focal Length Wide 18   45  
Focal Length Long 80   250  
Focal Length Ratio 4,4   5,6  
Aperture T2.6 - T22   T2.6 - T22  
Close Focus (2) 0.7 m / 2?4?   1.2 m / 3?11?  
Magnification Ratio (3) 1 : 5.5   1 : 4  
Length (4) 285 mm / 11.2?   370 mm / 14.6?  
Front Diameter (5) 134 mm / 5.3?   134 mm / 5.3?  
Maximum Housing Diameter 134 mm / 5.3?   153 mm / 6?  
Weight (Kg) 4.7   7.5  
Weight (lb) 10.4   16.5  
Entrance Pupil (6) at 18 mm "264.0 mm / 10.4""" at 18 mm "234.4 mm / 9.6"""
  at 50 mm "231.6 mm / 9.1""" at 50 mm "2.0 mm / 0.1"""
  at 80 mm "213.9 mm / 8.4""" at 80 mm "-101.5 mm / -4.0"""
Angle of View H - V - D        
Normal 35 (8)        
ID = 27.20 mm (7)        
  at 18 mm 62.8° - 48.0° - 74.1° at 18 mm 27.5° - 20.2° - 33.6°
  at 50 mm 24.8° - 18.2° - 30.4° at 50 mm 8.4° - 6.1° - 10.4°
  at 80 mm 15.6° - 11.4° - 19.3° at 80 mm 5.0° - 3.7° - 6.2°
Angle of View H - V - D        
ALEXA/D-21 HD (9)        
ID = 27.26 mm (7) at 18 mm 66.8° - 40.7° - 74.3° at 18 mm 29.6° - 16.9° - 33.7°
  at 50 mm 26.7° - 15.2° - 30.5° at 50 mm 9.1° - 5.1° - 10.4°
  at 80 mm 16.9° - 9.5° - 19.3° at 80 mm 5.4° - 3.1° - 6.2°
Angle of View H - V - D        
ALEXA 2K (10)        
ID = 29.08 mm (7) at 18 mm 70.3° - 43.2° - 77.9° at 18 mm 31.4° - 18.0° - 35.8°
  at 50 mm 28.4° - 16.2° - 32.4° at 50 mm 9.7° - 5.4° - 11.1°
  at 80 mm 18.0° - 10.2° - 20.6° at 80 mm 5.8° - 3.3° - 6.7°
Angle of View H - V - D        
DIN Super 35 (11)        
ID = 30.00 mm (7) at 18 mm 67.4° - 53.1° - 79.6° at 18 mm 29.9° - 22.6° - 36.9°
  at 50 mm 27.0° - 20.4° - 33.4° at 50 mm 9.1° - 6.9° - 11.4°
  at 80 mm 17.1° - 12.8° - 21.2° at 80 mm 5.5° - 4.1° - 6.9°

Operation Temperature: -10°C to +50°C / +14°F to +122°F

Storage/Transport Temperature: -20C to +60°C / -4°F to +140°F

(1) Positive locking 54 mm stainless steel lens mount 

(2) Close focus is measured from the film/sensor plane 

(3) Magnification ratio is the relationship of the size of an object on the film/sensor plane (first number) to the size of that object in real life (second number) at the close focus and the telephoto zoom setting 

(4) Length is measured from the lens mount to the front of the lens housing 

(5) Diameter of the lens/matte box interface 

(6) The distance from the entrance pupil to the film/sensor plane. Positive numbers indicated an entrance pupil in front, negative numbers indicated an entrance pupil behind the film/sensor plane. The entrance pupil (often mistakenly called "nodal point") is the center of perspective; moving the camera/lens system around the center of the entrance pupil prevents parallax errors. While largerly irrelevant for live action, this measurement is important for special effects work. 

(7) The image diameter (ID) is the diameter of the image circle needed for the respective format. 

(8) Horizontal (H), vertical (V) and diagonal (D) angles of view for a Normal 35 Academy camera aperture 
(aspect ratio 1.37:1, dimensions 22 mm x 16 mm / 0.866" x 0.630") 

(9) Horizontal (H), vertical (V) and diagonal (D) angles of view for the ALEXA/D-21 HD camera aperture 
(aspect ratio 1.78:1, 2880 x 1620 sensor pixels, dimensions 23.76 mm x 13.37mm / 0.935" x 0.526") 

(10) Horizontal (H), vertical (V) and diagonal (D) angles of view for the ALEXA 2K camera aperture 
(aspect ratio 1.78:1, 3072 x 1728 sensor pixels, dimensions 25.34 mm x 14.26 mm / 0.998" x 0.561") 

(11) Horizontal (H), vertical (V) and diagonal (D) angles of view for a DIN Super 35 Silent camera aperture (aspect ratio 1.33:1, dimensions 24 mm x 18 mm / 0.944" x 0.709")

All data subject to change without notice

Main Features

  • Matched Zooms

    • Matched wide and long PL mount zooms for an efficient shooting pace

    • Small size and low weight for quick and easy handling on the set

  • Fast and Steady

    • T2.6

    • Consistent aperture over entire zoom range

  • Outstanding Optical Performance

    • High resolution, high contrast

    • Even field illumination

    • Minimized ghost, flares and veiling glare due to FUJINON multi-layer EBC coating

    • Greatly reduced chromatic aberration through the use of extraordinary dispersion glass

    • Minimized breathing, especially at the wide end where it counts

    • 9 iris leaves for round, out-of-focus highlights and a pleasing, organic bokeh

    • Optimized for ALEXA 2K 16:9 image format, covers up to DIN Super 35 4:3

  • Consistent Optical Performance

    • Consistent contrast, resolution and field illumination across the whole focus and zoom range

  • Film Style Ergonomics

    • Compatible with film and digital ARRI cameras and accessories

    • Robust construction

    • Large, easy-to-read precision focus scales on both sides

    • Matched to existing prime lenses

  • Easy Servicing

    • Feet/meter focus scales can be exchanged

    • Front and rear elements can be exchanged

    • Zoom centering mechanism

  • Alura Studio Zooms

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