ARRI Signature Prime 29mm T1.8 Lens (Feet)

ARRI Signature Prime 29mm T1.8 Lens (Feet)

ARRI Signature Prime 29mm T1.8 Lens (Feet)

B&H # ARSP29T18F MFR # KK.0019197

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Product Highlights

  • Covers Large-Format Sensor Size
  • ARRI LPL LDS-2 Mount
  • T1.8 to T22 Aperture Range
  • Geared Focus and Aperture Control Rings
  • Clickless Iris Ring
  • 11-Blade Iris
  • Anti-Reflective Coatings
  • Magnesium & Aluminum Construction
  • Marked in Feet
  • Light 4.2-lb Weight
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This item is noncancelable and nonreturnable.

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ARRI Signature Prime 29mm T1.8 (ft) Overview

  • 1Description

The 29mm ARRI Signature Prime T1.8 (Feet) is a wider lens in an array of large-format primes featuring organic images, attractive bokeh, and a fast T1.8 aperture for achieving shallow depth of field. This prime lens gently softens the large-format look, and produces pleasant, natural skin tones. Focus falls off smoothly, highlighting your subject against its background frame. This LPL-mount lens features ARRI LDS-2 lens-data compatibility for speedy lens setups, and high lens metadata rates.

Designed for use with full-frame, large-format sensors, the versatile ARRI Signature Primes also cover Super 35. Dedicated LF Open Gate, and Super 35 Open Gate magnetic format masks enable you to switch between formats, and are included with the lens. Stockings, nets, and voile can be used for diffusion when mounted in the Signature Prime's rear net holder. Eleven iris blades produce smooth, rounded bokeh effects, and a telecentric design minimizes breathing. The 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 front and rear lens elements of the lens are easily replaceable at an ARRI service center. The 29mm 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".


  • The LPL mount transfers lens data via LDS-2, and is compatible with ARRI LDS-1, and Cooke /i Technology
  • Smooth focus fall-off, and a fast, maximum T1.8 aperture for shallow depth of field
  • Lightweight, compact form factor with magnesium and aluminum construction
  • One of a range of focal lengths from 12 to 280mm
  • 114mm front diameter across most lenses in the available set
  • An 11-blade iris produces smooth, round bokeh
  • Anti-reflective coatings, light baffles, and light traps minimize internal flare
In the Box
ARRI Signature Prime 29mm T1.8 Lens (Feet)
  • LF Open Gate Mask
  • Super 35 Open Gate Mask
  • Rear Net Holder
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    ARRI Signature Prime 29mm T1.8 (ft) Specs

    Focal Length 29mm
    Lens Mount ARRI LPL
    Format Full Frame
    Image Circle 44.7 mm
    Maximum T-Stop T1.8
    Minimum T-Stop T22
    Diagonal Angle of View ARRI LF Open Gate: 75.8°
    Horizontal Angle of View ARRI LF Open Gate: 65.2°
    Minimum Focus Distance from Image Plane 13.78" / 0.35 m
    Iris Blades 11
    Gear MOD & Pitch Focus: 0.8 MOD / 32 Pitch
    Iris: 0.8 MOD / 32 Pitch
    Zoom: 0.8 MOD / 32 Pitch
    Front Diameter 114 mm
    Filter Thread None
    Focus Scales Imperial
    Electronic Communication Yes
    Maximum Magnification Ratio 1:6.4
    Tripod Mounting Thread None
    Dimensions (W x H) 4.53 x 4.53" / 115.06 x 115.06 mm
    Length 7.01" / 178.05 mm
    Weight 4.0 lb / 1.8 kg

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    Designed For Use With:

    • ARRI ALEXA Mini LF
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