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ARRI Signature Prime 40mm T1.8 Lens (Feet)

BH #ARSP40T18F • MFR #KK.0019200
ARRI Signature Prime 40mm T1.8 Lens (Feet)
Key Features
  • Covers Large-Format Sensor Size
  • ARRI LPL LDS-2 Mount
  • Magnetic Rear Filter Holder
  • T1.8 to T22 Aperture Range
Designed as open standard, camera-independent lenses, the versatile LPL-mount ARRI Signature Primes offer easily customizable looks, a wide range of focal lengths, and zoom lenses to match. Like the rest of the series, the 40mm T1.8 ARRI Signature Prime covers all image sensors up to and including full-frame, large-format. This mid-range lens is one of 16 primes featuring organic images, attractive bokeh, subtle flaring, and a fast maximum aperture for achieving shallow depth of field. This prime lens gently softens the large-format look and produces pleasant, natural skin tones and crisp blacks. Focus falls off smoothly, highlighting your subject against its background frame.
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ARRI Signature Prime 40mm T1.8 (ft) Overview

  • 1Description
  • 2Large Format Coverage
  • 3Rear Filter Holder for Customized Looks
  • 4LDS-2 ARRI LPL Mount
  • 5Fast T1.8 Aperture
  • 6Part of Extensive Series
  • 7Signature Prime Look
  • 8Smooth Bokeh
  • 9Minimized Internal Flare
  • 10Lighter Weight & Durable Build
  • 11Common Front Diameter
By B&H Photo's

Designed as open standard, camera-independent lenses, the versatile LPL-mount ARRI Signature Primes offer easily customizable looks, a wide range of focal lengths, and zoom lenses to match. Like the rest of the series, the 40mm T1.8 ARRI Signature Prime covers all image sensors up to and including full-frame, large-format. This mid-range lens is one of 16 primes featuring organic images, attractive bokeh, subtle flaring, and a fast maximum aperture for achieving shallow depth of field. This prime lens gently softens the large-format look and produces pleasant, natural skin tones and crisp blacks. Focus falls off smoothly, highlighting your subject against its background frame.

Stockings, nets, and voile can be used to create custom diffusion and other effects when mounted in the Signature Prime's magnetic rear net holder. Eleven iris blades produce smooth, rounded bokeh effects, and a telecentric design minimizes breathing. The integrated LDS-2 lens data system is backwards-compatible with ARRI's LDS-1 and communicates with Cooke's /i Technology.

Constructed with magnesium housings and aluminum gear rings, each Signature Prime is lightweight, water-resistant, and features focus marks in feet. Anti-reflective coatings, light baffles, and light traps help to minimize any internal barrel flare. Should a stunt go awry, or your camera rig be otherwise damaged, the lens mechanics are designed for easier access at an ARRI service center. The 40mm ARRI Signature Prime focuses down to 5.1" from the lens front, and features a light weight of 4.2 pounds, and a compact length of 7".

Large Format Coverage
These open standard, camera-independent lenses cover all image sensors up to full-frame, large-format with image circles up to 46mm
Smooth focus fall-off and a fast, maximum T1.8 aperture for shallow depth of field
Rear Filter Holder for Customized Looks
  • Create customized looks across the range of Signature Primes and Zooms using the magnetic rear filter holder
  • Quickly add nets, voile, and other materials for select scenes or for your entire shoot
LDS-2 ARRI LPL Mount
The LPL mount transfers lens data via LDS-2, and is compatible with ARRI LDS-1, and Cooke /i Technology
Fast T1.8 Aperture
Part of Extensive Series
One of 16 focal lengths ranging from 12 to 280mm
Signature Prime Look
  • Each lens in the series creates the warm skin tones, crisp blacks, and soft flares of the Signature Prime look
  • Minimal chromatic aberration for easier keying in F/X work
Smooth Bokeh
An 11-blade iris produces smooth, soft, round bokeh
Minimized Internal Flare
Anti-reflective coatings, light baffles, and light traps minimize internal flare
Lighter Weight & Durable Build
  • Lightweight, compact form factor with magnesium and aluminum construction
  • Designed for easier mechanical service
Common Front Diameter
114mm front diameter across most lenses in the available set

ARRI Signature Prime 40mm T1.8 (ft) Specs

Focal Length
40mm
Maximum Aperture
T1.8
Minimum Aperture
T22
Lens Format Coverage
Large Format
Image Circle
46.0 mm
Focus Scales
Imperial
Filter Thread
No
Minimum Focus Distance
From Camera Sensor: 13.78" / 0.35 m
Maximum Magnification Ratio
1:4.8
Diaphragm Blades
11
Image Stabilization
No
Electronic Communication
Yes
Dimensions (W x H)
4.53 x 4.53" / 115.06 x 115.06 mm
Weight
4.19 lb / 1.9 kg
Packaging Info
Package Weight
14.5 lb
Box Dimensions (LxWxH)
17.6 x 14.8 x 12"

ARRI Signature Prime 40mm T1.8 (ft) Reviews

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