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Sirui MEK7M 50mm F1.8 Anamorphic Lens Micro Four Thirds — main product image
Sirui MEK7M 50mm F1.8 Anamorphic Lens Micro Four Thirds
Sirui MEK7M 50mm F1.8 Anamorphic Lens Micro Four Thirds
Sirui MEK7M 50mm F1.8 Anamorphic Lens Micro Four Thirds
Sirui MEK7M 50mm F1.8 Anamorphic Lens Micro Four Thirds
Sirui MEK7M 50mm F1.8 Anamorphic Lens Micro Four Thirds
Sirui MEK7M 50mm F1.8 Anamorphic Lens Micro Four Thirds
Sirui

Sirui MEK7M 50mm F1.8 Anamorphic Lens Micro Four Thirds

★★★★★4.5 (311 reviews)
f/1F/16

Unlock Cinematic Potential with Anamorphic FilmmakingThe SIRUI 50mm F1.8 Anamorphic Lens allows you to create stunning widescreen videos with a cinematic look. Designed for Micro Four Thirds Mount APS-C cameras, this lens delivers unique visual effects and exceptional image quality. Focal L...

$269.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Unlock Cinematic Potential with Anamorphic Filmmaking

The SIRUI 50mm F1.8 Anamorphic Lens allows you to create stunning widescreen videos with a cinematic look. Designed for Micro Four Thirds Mount APS-C cameras, this lens delivers unique visual effects and exceptional image quality.

  • Focal Length: 50mm (75mm KB Equivalent)
  • Aperture: f/1.8 - F/16
  • Lens Mount: Micro Four Thirds (MFT)
  • Anamorphic Squeeze: 1.33X
  • Minimum Focusing Distance: 0.85m to infinity
  • Filter Thread: 67mm
  • Construction: 11 glass elements in 8 groups
  • Weight: Approx. 560g

Key Features

The very first professional anamorphous lens for everyone | For widescreen films in cinema format 2. 4:1

Lens connection: MFT, m4/3, Micro Four Third Mount (e.g. for Olympus and Panasonic)

33% wider field of view than conventional 50 mm lenses | corresponds to about a field of view of 37.5 mm

Creates cineastic effects such as horizontal sci-fi reflections, impressive light effects and an oval bokeh | Robust but lightweight design with Germany made Schott glass elements

Focal length: 50 mm (KB equivalent 75 mm) | Aperture: f/1. 8 - F/16 | Closest Focusing Distance: 0 85 m to infinity | focusing: manual | sensor coverage: up to APS-C | Construction: 11 glass elements in 8 groups | Filter thread: 67 mm | Max. Magnification: 1:15 38(V), 1:20 17 (H) | Focus Ring Rotation Angle: 143 6° | Focus ring diameter: 61. 7 mm | Length (without lid): 106. 6 mm | Max. Case Diameter: 68 2 mm. Weight: approx. 560 g

Specifications

Brand
Sirui
Model
MEK7M 50mm F1.8 Anamorphic Lens
Lens Connection
MFT, m4/3, Micro Four Third Mount
Focal Length
50 mm (KB equivalent 75 mm)
Aperture Range
f/1.8 - F/16
Closest Focusing Distance
0.85 m
Focusing
Manual
Sensor Coverage
Up to APS-C
Optical Construction
11 glass elements in 8 groups (Germany made Schott glass)
Filter Thread
67 mm
Max. Magnification
1:15.38(V), 1:20.17 (H)
Focus Ring Rotation Angle
143.6°
Focus Ring Diameter
61.7 mm
Length (without lid)
106.6 mm
Max. Case Diameter
68.2 mm
Weight
Approx. 560 g
Widescreen Format
2.4:1

Pros & Cons

👍 Pros

  • The Sirui MEK7M 50mm F1.8 Anamorphic Lens allows for the creation of widescreen films in the cinema format of 2.4:1, delivering a distinctive cinematic aesthetic.
  • It provides a 33% wider field of view compared to conventional 50mm lenses, effectively simulating a 37.5mm field of view.
  • Capable of producing cineastic effects such as horizontal sci-fi reflections, impressive light effects, and an oval bokeh.
  • Features a robust yet lightweight design, incorporating high-quality Germany-made Schott glass elements for optical performance.
  • Designed with a Micro Four Thirds (MFT) mount, ensuring compatibility with a wide range of popular mirrorless cameras from brands like Olympus and Panasonic.
  • Offers a relatively fast aperture of f/1.8, which is beneficial for low-light shooting and achieving shallow depth of field.

👎 Cons

  • The lens is manual focus only, which might be a challenge for users accustomed to autofocus systems, especially in fast-paced shooting scenarios.
  • Its closest focusing distance is 0.85m, which might limit its use for extreme close-up or macro photography.
  • The sensor coverage is limited to up to APS-C, meaning it may not fully cover larger sensor formats without vignetting.
  • The 67mm filter thread requires specific filter sizes, which might necessitate additional purchases for users with different sized filters.
  • The weight of approximately 560g, while considered lightweight for its class, might still add noticeable heft to smaller mirrorless camera setups.

Frequently Asked Questions

The Sirui MEK7M 50mm F1.8 Anamorphic Lens allows for the creation of widescreen films in the classic cinema format of 2.4:1.
This anamorphic lens provides a 33% wider field of view than conventional 50mm lenses, which corresponds to approximately a 37.5mm field of view.
You can create distinctive cinematic effects, including horizontal sci-fi reflections, impressive light flares, and an oval bokeh, all characteristic of anamorphic lenses.
This lens features an MFT (Micro Four Thirds) mount, making it compatible with cameras from brands like Olympus and Panasonic.
Yes, it features a robust yet lightweight design and incorporates high-quality, Germany-made Schott glass elements for enhanced durability and optical performance.
No, the Sirui MEK7M 50mm F1.8 Anamorphic Lens is a manual focus lens, requiring the user to adjust focus manually.

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