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Sirui 1.33x Anamorphic Lens Trio for MFT

The Sirui 1.33x Anamorphic Lens Trio is a 24–50mm f/1.8 lens designed for Micro Four Thirds mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Sirui 1.33x Anamorphic Lens Trio for MFT

Sirui 1.33x Anamorphic Lens Trio for MFT

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Lens Overview — Sirui 1.33x Anamorphic Lens Trio

The Sirui 1.33x Anamorphic Lens Trio for Micro Four Thirds is a set of three prime anamorphic lenses designed for mirrorless cameras using the Micro Four Thirds mount. The trio spans focal lengths from 24mm to 50mm, covering the standard range and giving filmmakers and photographers a cohesive set of optics to work with across a variety of shooting scenarios. Each lens in the set is a manual focus prime, meaning there is no autofocus system — a deliberate choice that suits the deliberate, controlled nature of anamorphic shooting.

The maximum aperture reaches f/1.8, allowing for work in lower light conditions. All three lenses share a 67mm filter thread size, which simplifies the use of a single set of filters across the entire trio — a practical advantage that reduces kit complexity and cost. The combined weight of the trio comes in at 1,200g.

Image stabilization is not included in any of the lenses, so shooters will need to rely on in-body stabilization or a stabilized rig. The lenses are classified as type Anamorphic and are built specifically for the Micro Four Thirds lens format.

Key Features — Sirui 1.33x Anamorphic Lens Trio

1.33x Anamorphic Squeeze: Produces the characteristic wide aspect ratio and oval bokeh of anamorphic cinema when desqueezed in post, without requiring a full 2x squeeze setup.

Three-Lens Prime Set: Covers 24mm, 35mm, and 50mm focal lengths, giving filmmakers a matched set of optics for a range of shooting scenarios.

f/1.8 Maximum Aperture: Available across all three lenses, allowing for usable exposure in lower light conditions and shallower depth of field.

Matched 67mm Filter Thread: All three lenses share the same filter thread size, so a single set of filters — including anamorphic flare filters — works across the entire trio.

Manual Focus Design: Dedicated manual focus ring on each lens supports precise, repeatable focus pulls suited to anamorphic and cinema workflows.

Micro Four Thirds Mount: Compatible with MFT mirrorless cameras from Panasonic and Olympus/OM System, including popular video-oriented bodies like the GH series.

Lens Specifications — Sirui 1.33x Anamorphic Lens Trio

Sirui 1.33x Anamorphic Lens Trio full specifications
SpecDetail
Use CasesStudio, Travel, Creative Effects
Lens TypeAnamorphic
FormatMicro Four Thirds (MFT)
Zoom/PrimePrime
Focal Length24–50mm
Maximum Aperturef/1.8
Camera SystemMirrorless
Lens MountMicro Four Thirds
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread67mm

Description — Sirui 1.33x Anamorphic Lens Trio

The Sirui 1.33x Anamorphic Lens Trio for MFT brings together three manual focus prime lenses built specifically for the Micro Four Thirds mirrorless system. With focal lengths spanning 24mm to 50mm, the set covers the standard range and offers filmmakers a matched collection of optics to draw from across different shooting situations. The maximum aperture across the set reaches f/1.8, giving shooters meaningful light-gathering capability.

A standout practical feature is the shared 67mm filter thread across all three lenses, eliminating the need for step-up rings or multiple filter sets — one 67mm filter works on every lens in the trio. The lenses carry no image stabilization (imageStabilization: None) and require full manual focus operation. The entire trio weighs in at a combined 1,200g.

Classified as Anamorphic prime lenses in the standard focal length range, this set is purpose-built for Micro Four Thirds mirrorless cameras.

Pros — Sirui 1.33x Anamorphic Lens Trio

  • ✓Matched 67mm filter thread across all three lenses simplifies filter use
  • ✓Wide maximum aperture of f/1.8 for low-light shooting flexibility
  • ✓Three-lens standard focal length range (24mm to 50mm) provides a cohesive set

Cons — Sirui 1.33x Anamorphic Lens Trio

  • ✗No autofocus — manual focus only across all three lenses
  • ✗No image stabilization included in any lens of the trio
  • ✗Combined weight of 1,200g may add up when carrying all three lenses

Videos — Sirui 1.33x Anamorphic Lens Trio

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Resources & Downloads — Sirui 1.33x Anamorphic Lens Trio

Frequently Asked Questions — Sirui 1.33x Anamorphic Lens Trio

Do these lenses support autofocus?+
No. All three lenses in the trio are manual focus only — the autoFocus specification is listed as false. Shooters will need to focus manually on every shot.
What filter size do these lenses use?+
All three lenses share a 67mm filter thread size. This means a single set of 67mm filters — such as polarizers or ND filters — can be used across the entire trio without adapters.
What cameras are these lenses compatible with?+
These lenses are designed for the Micro Four Thirds mount and are compatible with Micro Four Thirds mirrorless cameras. They are not natively compatible with other camera systems or mounts.
Do any of the lenses include image stabilization?+
No. Image stabilization is listed as None for these lenses. Users shooting handheld will need to rely on any in-body image stabilization their camera body may offer, or use an external stabilized rig.
What is the focal length range covered by the trio?+
The trio covers a minimum focal length of 24mm and a maximum focal length of 50mm, spanning the standard focal length range as individual prime lenses.
What is the total weight of the lens trio?+
The combined weight of all three lenses is listed at 1,200g. Individual lens weights are not broken out in the specifications.

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