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ARRI 18mm Master Prime Lens - PL Mount (Measured in Feet)

The ARRI 18mm Master Prime is a 18mm f/1.3 cinema lens designed for PL Mount mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

ARRI 18mm Master Prime Lens - PL Mount (Measured in Feet)

ARRI 18mm Master Prime Lens - PL Mount (Measured in Feet)

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Lens Overview — ARRI 18mm Master Prime

The ARRI 18mm Master Prime is a wide-angle prime lens built for cinema and video production, designed around a Super 35 image format and featuring a PL Mount. It is part of ARRI's Master Prime lineup and delivers a fast maximum aperture of T1.3, making it well-suited for low-light shooting and shallow depth-of-field work. The lens is manual focus only, with no autofocus or image stabilization — both entirely expected in a professional cinema context where precise, repeatable focus control is paramount.

Weighing 2.2kg, it sits within a manageable range for a professional cinema prime, particularly given the optical performance expected at this level. The focal length of 18mm places it firmly in wide-angle territory, useful for environmental shots, tight interiors, and dramatic perspectives. The PL Mount is the standard fitting for high-end cinema cameras, ensuring broad compatibility across the professional cinema ecosystem.

With a fixed 18mm focal length and a Super 35 coverage area, this lens is a purpose-built tool for cinematographers who require consistent, controllable wide-angle imaging. Focus is measured in feet, as noted in the product title, which is the standard preference on many professional sets. This is a lens designed for disciplined, craft-focused filmmaking at a professional level.

Key Features — ARRI 18mm Master Prime

18mm Wide-Angle Prime: Fixed 18mm focal length places this lens firmly in wide-angle territory, suited for environmental shots, tight interiors, and dramatic perspective.

T1.3 Maximum Aperture: Exceptionally fast aperture allows for shallow depth-of-field and confident shooting in low-light conditions.

PL Mount: Industry-standard cinema mount ensures broad compatibility with professional camera systems from ARRI, RED, Sony, and others.

Super 35 Coverage: Designed to cover the Super 35 format, matching the sensor size of the majority of professional cinema cameras in use today.

Manual Focus Design: Smooth, precise focus ring built for repeatable focus pulls, with markings measured in feet for set-standard workflows.

Master Prime Optical Design: Part of ARRI's Master Prime lineup, known for consistent color rendition, minimal breathing, and high contrast across the focal length range.

Lens Specifications — ARRI 18mm Master Prime

ARRI 18mm Master Prime full specifications
SpecDetail
Use CasesVideo / Cinematography
Lens TypeCine
FormatSuper 35
Zoom/PrimePrime
Focal Length18mm
Maximum Aperturef/1.3
Camera SystemCinema / Video
Lens MountPL Mount
AutofocusNo
Focus TypeManual
Image StabilizationNone
Weight2.2kg

Description — ARRI 18mm Master Prime

The ARRI 18mm Master Prime is a professional wide-angle prime lens built for the demands of high-end cinema and video production. It features a PL Mount, the industry-standard fitting for professional cinema cameras, and covers the Super 35 image format — the sensor size used across a wide range of leading cinema platforms. With a fixed focal length of 18mm, this lens delivers a consistent wide-angle perspective, making it a strong choice for interior environments, dramatic wide compositions, and establishing shots.

The maximum aperture of T1.3 provides significant light-gathering capability, supporting work in challenging lighting conditions and allowing cinematographers to separate subjects from backgrounds with a shallow depth of field. The lens is manual focus only, with no autofocus or image stabilization, placing full creative control in the hands of the operator and focus puller. At 2.2kg, it is a substantial but manageable tool for a cinema prime.

Focus markings on this unit are calibrated in feet, consistent with professional set standards on many productions.

Pros — ARRI 18mm Master Prime

  • ✓Fast T1.3 maximum aperture enables shallow depth-of-field and low-light shooting
  • ✓Super 35 format coverage matches the sensor size of the majority of professional cinema cameras
  • ✓PL Mount provides compatibility with the industry-standard cinema camera fitting

Cons — ARRI 18mm Master Prime

  • ✗No autofocus — requires a dedicated focus puller on professional sets
  • ✗No image stabilization, so stabilized movement requires external rigging solutions
  • ✗Single focal length means no flexibility without swapping lenses

Videos — ARRI 18mm Master Prime

ARRI Zeiss Master Prime 18mm T1.3 — ShareGrid

Resources & Downloads — ARRI 18mm Master Prime

Manuals & Guides

Frequently Asked Questions — ARRI 18mm Master Prime

What camera mount does this lens use?+
The ARRI 18mm Master Prime uses a PL Mount, which is the standard mount for professional cinema cameras. It is not natively compatible with photo or mirrorless camera systems without a dedicated adapter.
Does this lens cover full-frame sensors?+
According to the specifications, this lens is designed for the Super 35 format. Shooters using larger sensor formats should verify coverage before use.
Is autofocus available on this lens?+
No. The lens is manual focus only, with autofocus listed as false in the specifications. This is standard for professional cinema lenses, where focus is typically pulled by a dedicated crew member.
What is the maximum aperture of this lens?+
The maximum aperture is T1.3, as listed in the specifications. This fast aperture is useful for shooting in lower light conditions and for achieving a shallow depth of field.
How much does this lens weigh?+
The lens weighs 2.2kg according to the specifications. This should be factored into your rig and support setup when planning a shoot.
Is focus measured in feet or meters on this lens?+
As indicated in the product title, this particular unit has focus markings measured in feet. This is a common preference on many professional cinema productions, particularly those following US industry conventions.

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