The Alura Zooms color characteristics, as well as their handling, are matched to existing prime lenses in ARRIs outstanding repertoire. With two new extenders (1.4x and 2x) developed specifically for FUJINON PL mount zooms, ARRI now offers the widest range of cine lenses for all professional production demands, including zooms, high speed primes, standard speed primes, extreme wide angle and telephoto primes, macro, extenders and diopters.
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
Arri/Fujinon Alura
Zoom 18-80
Arri/Fujinon Alura
Zoom 45-250
Lens Mount
PL
PL
Focal Length Wide
18
45
Focal Length Long
80
250
Focal Length Ratio
4.4
5.6
Close Focus (2)
0.7 m / 24
1.2 m / 311
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
10.4 lbs. (4.7 kg)
16.5 lbs. (7.5 kg)
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)
Thank you for your interest in the Fujinon Alura 45-250mm Zoom Lens.
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