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Angenieux Optimo Prime 21mm T1.8 Cinema Lens

The Angenieux 21mm T1.8 is a 21mm f/1.8 cinema lens designed for PL Mount mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Angenieux Optimo Prime 21mm T1.8 Cinema Lens

Angenieux Optimo Prime 21mm T1.8 Cinema Lens

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Lens Overview — Angenieux 21mm T1.8

The Angenieux Optimo Prime 21mm T1.8 is a wide-angle cinema prime lens built for professional film and video production. Sitting at a 21mm focal length, it covers a full-frame image format, making it a versatile choice for cinematographers working on productions that demand wide, expansive framing without the need to crop into a smaller sensor area. The lens mounts via PL Mount, the industry-standard cinema mount found on a broad range of professional cinema cameras.

With a maximum aperture of T1.8, it allows a strong amount of light transmission — a meaningful advantage when shooting in low-light environments or when a shallow depth of field is creatively desirable. Focus is entirely manual, as is standard practice in professional cinema production where precision and repeatability are paramount. The lens accepts 95mm front filters, a useful practical consideration for gaffers and camera assistants managing filtration on set.

Weighing in at 1.9kg, it carries a solid, substantial build consistent with high-end cinema glass. There is no image stabilization, which is expected for a prime cine lens of this category, and the camera system designation is Cinema/Video throughout.

Key Features — Angenieux 21mm T1.8

21mm Wide-Angle Prime: A fixed 21mm focal length delivers expansive, wide framing well-suited for environmental shots, interiors, and cinematic establishing scenes.

T1.8 Maximum Aperture: Fast T1.8 light transmission enables shooting in low-light conditions and allows for a shallow depth of field with smooth background separation.

Full-Frame Image Circle: Covers full-frame sensor formats, ensuring compatibility with the broadest range of professional cinema cameras without vignetting or cropping.

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

Manual Focus Design: Smooth, precise manual focus ring built for repeatable focus pulls and seamless integration with follow-focus systems on professional sets.

Part of Optimo Prime Set: Designed to match consistently with other lenses in the Angenieux Optimo Prime series, enabling uniform rendering across a full production.

Lens Specifications — Angenieux 21mm T1.8

Angenieux 21mm T1.8 full specifications
SpecDetail
Use CasesVideo / Cinematography
Lens TypeCine
FormatFull Frame
Zoom/PrimePrime
Focal Length21mm
Maximum Aperturef/1.8
Camera SystemCinema / Video
Lens MountPL Mount
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread95mm

Description — Angenieux 21mm T1.8

The Angenieux Optimo Prime 21mm T1.8 is a professional wide-angle cinema prime lens with a PL Mount and Full Frame image circle coverage. Designed specifically for Cinema/Video camera systems, it delivers a T1.8 maximum aperture — expressed as a true T-stop for accurate light transmission measurement — at a fixed 21mm focal length. Focus is manual, keeping the lens firmly in professional cinema territory where focus pullers and follow-focus systems are standard.

The 95mm filter thread allows integration with a wide range of professional filtration and matte box systems. At 1.9kg, the lens has a substantial, well-built feel appropriate for demanding production environments. There is no image stabilization, consistent with cinema prime lens design conventions.

Whether you are shooting narrative features, commercial productions, or high-end documentary work, the Optimo Prime 21mm offers a wide-angle perspective with the light-gathering performance that low-light and controlled-depth cinematography demands.

Pros — Angenieux 21mm T1.8

  • ✓Fast T1.8 maximum aperture provides strong light transmission for low-light and shallow depth-of-field work
  • ✓Full-frame image circle coverage supports the widest range of professional cinema sensor formats
  • ✓PL Mount is the industry-standard cinema mount, ensuring broad camera compatibility across professional productions

Cons — Angenieux 21mm T1.8

  • ✗No image stabilization, though this is standard for cinema prime lenses used on stabilized rigs
  • ✗At 1.9kg, the lens adds meaningful weight to a camera package, which may be a consideration for handheld or gimbal setups
  • ✗Single PL Mount only — no native adapters or alternative mount options listed in specifications

Reviews — Angenieux 21mm T1.8

Videos — Angenieux 21mm T1.8

Angénieux Optimo Primes | Cine Lens Review & Test Footage — CVP

Frequently Asked Questions — Angenieux 21mm T1.8

What camera mount does the Angenieux Optimo Prime 21mm T1.8 use?+
The lens uses a PL Mount, which is the standard cinema lens mount used across professional cinema cameras. This is the only mount listed in the specifications.
Does this lens cover full-frame sensors?+
Yes. The specifications list the lens format as Full Frame, meaning it is designed to cover full-frame cinema sensors without vignetting.
What is the maximum aperture of this lens?+
The maximum aperture is T1.8, expressed as a T-stop, which measures actual light transmission through the lens rather than the theoretical f-stop value.
What filter size does this lens accept?+
The Angenieux Optimo Prime 21mm T1.8 has a 95mm front filter thread, compatible with 95mm screw-in filters and many professional matte box systems.
How heavy is this lens?+
The lens weighs 1.9kg according to the specifications. This is worth factoring in when planning handheld, drone, or gimbal-based shooting configurations.
Does this lens have autofocus or image stabilization?+
No. The lens is manual focus only and has no image stabilization. Both of these are standard characteristics for professional cinema prime lenses, which are designed to be operated with dedicated focus pullers and stabilized camera support systems.

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