SIRUI 40mm T1.8 L-Mount Lens Review – Pros & Cons – SIRUI 40mm T1.8 1.33X Anamorphic Lens

In a world of conventional optics, the SIRUI 40mm T1.8 1.33X Anamorphic Lens emerges as a maverick, a cinematic poet ready to paint with light and shadow. This lens is not merely a tool; it is a creative companion, unlocking a new dimension of storytelling for L-Mount cameras like the Panasonic S5 and S9, as well as the Leica SL and CL series. Its anamorphic nature, which horizontally compresses the image, transforms the mundane into the magnificent, stretching the frame and imbuing it with a distinct, widescreen feel. Moreover, the blue flare it produces is a signature of its artistry, a whisper of light dancing across the scene, lending a dreamlike quality and a touch of professional polish. Because of its unique optical design, this lens captures the world not as we see it, but as we feel it, and it does so with a beautiful and sophisticated grace. Consequently, the SIRUI 40mm T1.8 L-Mount Lens offers filmmakers a powerful, yet elegant, way to craft their visual narratives, thereby setting their work apart from the rest.

Beyond its technical prowess, this lens becomes a metaphorical brushstroke on a cinematic canvas, an instrument that gives voice to the unspoken and visibility to the unseen. Its autofocus capability, which is a rare and welcome feature in the anamorphic space, ensures that your focus is on the story, not on the struggle of manual adjustments. Furthermore, the robust S35 sensor coverage guarantees that every pixel is a part of the cinematic masterpiece, capturing breathtaking detail and stunning clarity. As you use this SIRUI 40mm T1.8 L-Mount Lens, you’ll find that it encourages you to explore and to experiment, and it invites you to look at the world from a different perspective. Meanwhile, the solid construction and thoughtful design of this lens speak to its durability and reliability, ensuring that it is a steadfast partner on your creative journey. Thus, whether you are shooting a gripping drama, a sweeping landscape, or an intimate character study, this lens is designed to help you capture and communicate your vision with unparalleled artistic freedom.

Ultimately, the SIRUI 40mm T1.8 1.33X Anamorphic Lens is a portal to a more expansive visual universe, a key that unlocks the door to a world of cinematic possibility. The way it renders light and depth is almost magical, transforming ordinary scenes into extraordinary moments. In addition, the blue flare, a deliberate and beautiful artifact, acts as a visual signature, connecting all your shots with a consistent, dreamy aesthetic. Consequently, every frame you capture with the SIRUI 40mm T1.8 L-Mount Lens is imbued with a sense of epic scale and timeless beauty, which makes it feel as if you are creating a film, not just a video. Therefore, this lens is more than just an accessory for your camera; it is an investment in your artistic future and a promise of cinematic wonder.

FEATURES:
– Autofocus capabilities
– L-mount compatibility
– S35 sensor coverage
– Blue flare effect
– Manual focus ring
– Designed for cinema
– Compact and portable
– Sharp image quality

The SIRUI 40mm T1.8 1.33X Anamorphic Lens is a compact and portable autofocus lens designed for L-mount cameras, offering S35 sensor coverage. It features a manual focus ring and produces a distinctive blue flare effect, catering to cinema-style filmmaking. This lens provides sharp image quality and autofocus capabilities, making it a versatile tool for various L-mount camera models.

PROS:
– Works with Nikon ZF
– Offers cinematic aspect ratio
– Has autofocus
– Good for video format
– Works with Fujifilm XH5
– Works with Fujifilm XH1
– Good for video
– Combines telephoto and wide views

CONS:
– Autofocus is not as rapid
– Bad autofocus
– A narrow field of view

The SIRUI 40mm T1.8 1.33X Anamorphic Lens for L Mount cameras, including models like the DC-S5/S5M2 and Nikon ZF, is a video-centric lens that provides a cinematic aspect ratio with a unique blue flare effect. While it features autofocus, its performance is not as fast as desired, and the lens has a narrow field of view. The lens is compatible with various cameras, including the Fujifilm XH5 and XH1, making it a versatile option for videographers seeking a distinctive look despite its autofocus limitations. Read more…

SIRUI 40mm L-Mount Anamorphic Lens: Ultra-Compact and Versatile

SIRUI 40mm L-Mount Anamorphic Lens: Ultra-Compact and Versatile

The image shows the SIRUI 40mm T1.8 lens. It highlights the lens’s small size and light weight of 614g (1.35lbs). The lens is suitable for different shooting styles. It can be used on a car mount, for hand-held shooting, and on gimbals. The design is compact and robust. The lens features a blue ring and clear markings.


SIRUI 40mm 1.33x Anamorphic Lens Comparison

SIRUI 40mm 1.33x Anamorphic Lens Comparison

The image shows a side-by-side comparison of a video shot without and with the SIRUI 40mm 1.33x Anamorphic lens. The top frame shows a standard 16:9 aspect ratio. The bottom frame, shot with the anamorphic lens, has a wider 2.35:1 aspect ratio. This demonstrates how the SIRUI 40mm 1.33x Anamorphic lens creates an immersive cinematic view.


SIRUI 40mm Lens Flare Options

SIRUI 40mm Lens Flare Options

The SIRUI 40mm T1.8 1.33X Anamorphic Lens offers two flare options. The top image shows a ‘Classic Blue Flare.’ This is a prominent and distinct blue flare. The bottom image shows a ‘Soft Natural Flare.’ This flare is more subtle. It changes color based on the light source. These options allow for a customized look for your video footage.


A cinematographer films a woman with a Sirui anamorphic lens.

A cinematographer films a woman with a Sirui anamorphic lens.

The image shows a cinematographer shooting a scene with a camera. A Sirui L-Mount anamorphic lens is attached to the camera. The camera’s monitor displays a live view of the shot. A magnified inset shows the precise focus on the subject’s eye. This demonstrates the lens’s dual autofocus (AF) and manual focus (MF) control capabilities.


SIRUI 40mm T1.8 Anamorphic Lens

SIRUI 40mm T1.8 Anamorphic Lens

The image shows a SIRUI 40mm T1.8 L-Mount anamorphic lens. It is a prime cine lens. It has an auto-focus feature. The lens is black and has light blue lettering. The lettering indicates the focal length and aperture. The lens also has a 1.33x anamorphic squeeze ratio. There are also markings for focus and aperture adjustments. The lens is compatible with L-mount cameras.


Visualizing Image Circles for SIRUI 40mm T1.8 Lens

Visualizing Image Circles for SIRUI 40mm T1.8 Lens

This image shows the image circle of the SIRUI 40mm T1.8 L-Mount Lens. It illustrates how the lens is designed for S35/APSC cameras. The lens creates a 37mm image circle. This circle is large enough to cover the S35 sensor, which measures 23.6mm by 17.5mm. It also shows a full-frame sensor. A full-frame sensor is much larger at 36mm by 24mm. The lens’s 37mm image circle is smaller than the 43.3mm circle needed for a full-frame sensor. Because of this, using the lens on a full-frame camera will cause vignetting. This is stated in the note at the bottom of the image. The vignetting can be fixed with post-editing software.


Compatibility Chart for SIRUI 40mm 1.33x Anamorphic Lens

Compatibility Chart for SIRUI 40mm 1.33x Anamorphic Lens

This image displays a compatibility chart for the SIRUI 40mm 1.33x Anamorphic lens. The chart lists several camera models from Panasonic, Sigma, and Leica that are compatible with the lens’s L-mount. A checkmark indicates compatibility for each camera model. A note at the bottom of the chart advises full-frame camera users to switch to ASP-C/S35 mode or use post-editing to avoid vignetting.


A breakdown of the SIRUI 40mm T1.8 1.33x anamorphic lens.

A breakdown of the SIRUI 40mm T1.8 1.33x anamorphic lens.

This image shows the product specifications and accessories for the SIRUI 40mm T1.8 1.33x anamorphic lens. The product details include the model name, shooting distance, and focal length. It also provides information on the lens’s focus method, aperture range, and magnification. The image shows the lens structure, filter thread size, and horizontal/vertical field of view. The included accessories are a storage bag, a strap, the package box, the lens itself, and a service card.


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Best Sirui 40mm T1 8 L Mount Deals

SIRUI 40mm T1.8 1.33x S35 Auto Focus Anamorphic L Mount Cine Lens

Image of SIRUI 40mm T1.8 1.33x S35 Auto Focus Anamorphic L Mount Cine Lens

Product Highlights

  • ✅ Bring Cinema to Every Frame — The 1.33X anamorphic design expands your field of view into a cinematic 2.35:1 look, delivering expressive bokeh and anamorphic character for films, music videos, travel, weddings, and creative content.
  • ✅ Shoot beautiful scenes even dark — With a fast T1.8 aperture, capture night streets, neon lights, concerts, restaurants, indoor events, and portraits with more light, controlled depth of field, and smooth cinematic bokeh.
  • ✅ Capture Real-world Action — Autofocus makes it easier to keep subjects sharp while filming moving people, vlogs, interviews, weddings, events, travel, and handheld content, giving creators more freedom to focus on the story.
  • ✅ Signature Flare for Cinematic Depth — Blue Flare creates bold horizontal light streaks and a dreamy, stylized look for night scenes, neon, concerts, fashion, and music videos. Neutral Flare delivers a cleaner, natural rendering for portraits, weddings, interviews, documentaries, and commercial films.

SIRUI 40mm T1.8 1.33x S35 Auto Focus Anamorphic X Mount Cine Lens

Image of SIRUI 40mm T1.8 1.33x S35 Auto Focus Anamorphic X Mount Cine Lens

Product Highlights

  • ✅ Bring Cinema to Every Frame — The 1.33X anamorphic design expands your field of view into a cinematic 2.35:1 look, delivering expressive bokeh and anamorphic character for films, music videos, travel, weddings, and creative content.
  • ✅ Shoot beautiful scenes even dark — With a fast T1.8 aperture, capture night streets, neon lights, concerts, restaurants, indoor events, and portraits with more light, controlled depth of field, and smooth cinematic bokeh.
  • ✅ Capture Real-world Action — Autofocus makes it easier to keep subjects sharp while filming moving people, vlogs, interviews, weddings, events, travel, and handheld content, giving creators more freedom to focus on the story.
  • ✅ Signature Flare for Cinematic Depth — Blue Flare creates bold horizontal light streaks and a dreamy, stylized look for night scenes, neon, concerts, fashion, and music videos. Neutral Flare delivers a cleaner, natural rendering for portraits, weddings, interviews, documentaries, and commercial films.

SIRUI 40mm T1.8 1.33x S35 Auto Focus Anamorphic E Mount Cine Lens

Image of SIRUI 40mm T1.8 1.33x S35 Auto Focus Anamorphic E Mount Cine Lens

Product Highlights

  • ✅ Bring Cinema to Every Frame — The 1.33X anamorphic design expands your field of view into a cinematic 2.35:1 look, delivering expressive bokeh and anamorphic character for films, music videos, travel, weddings, and creative content.
  • ✅ Shoot beautiful scenes even dark — With a fast T1.8 aperture, capture night streets, neon lights, concerts, restaurants, indoor events, and portraits with more light, controlled depth of field, and smooth cinematic bokeh.
  • ✅ Capture Real-world Action — Autofocus makes it easier to keep subjects sharp while filming moving people, vlogs, interviews, weddings, events, travel, and handheld content, giving creators more freedom to focus on the story.
  • ✅ Signature Flare for Cinematic Depth — Blue Flare creates bold horizontal light streaks and a dreamy, stylized look for night scenes, neon, concerts, fashion, and music videos. Neutral Flare delivers a cleaner, natural rendering for portraits, weddings, interviews, documentaries, and commercial films.

SIRUI 40mm T1.8 1.33x S35 Auto Focus Anamorphic E Mount Cine Lens

Image of SIRUI 40mm T1.8 1.33x S35 Auto Focus Anamorphic E Mount Cine Lens

Product Highlights

  • ✅ Bring Cinema to Every Frame — The 1.33X anamorphic design expands your field of view into a cinematic 2.35:1 look, delivering expressive bokeh and anamorphic character for films, music videos, travel, weddings, and creative content.
  • ✅ Shoot beautiful scenes even dark — With a fast T1.8 aperture, capture night streets, neon lights, concerts, restaurants, indoor events, and portraits with more light, controlled depth of field, and smooth cinematic bokeh.
  • ✅ Capture Real-world Action — Autofocus makes it easier to keep subjects sharp while filming moving people, vlogs, interviews, weddings, events, travel, and handheld content, giving creators more freedom to focus on the story.
  • ✅ Signature Flare for Cinematic Depth — Blue Flare creates bold horizontal light streaks and a dreamy, stylized look for night scenes, neon, concerts, fashion, and music videos. Neutral Flare delivers a cleaner, natural rendering for portraits, weddings, interviews, documentaries, and commercial films.

SIRUI 20mm & 40mm T1.8 1.33X Anamorphic Lens, S35 Autofocus Lens for MFT Mount Cameras (Neutral Flare)

Image of SIRUI 20mm & 40mm T1.8 1.33X Anamorphic Lens, S35 Autofocus Lens for MFT Mount Cameras (Neutral Flare)

Product Highlights

  • ✅ 1.33X Immersive Cinematic View — With a 1.33x squeeze factor, this 20mm anamorphic lens delivers a stunning 2.35:1 widen-screen ratio in 16:9 mode, creating cinematic visuals without cropping and providing an unparalleled viewing experience.
  • ✅ Selectable Manual and Autofocus — Powered by a precision STM stepping motor, this lens is set to deliver smooth, accurate, and quiet autofocus. Featuring eye-tracking capabilities, an AF/MF switch, and autofocus lock (E/Z/L Mount), the lens provides complete creative control for cinematographers and video creators.
  • ✅ Covers Super 35—The 37mm image circle of the SIRUI 20mm T1.8 lens is optimized for APS-C or Super 35 sensors, delivering excellent coverage and image clarity.
  • ✅ T1.8 Ultra-Fast Aperture — The wide T1.8 aperture allows more light to enter, reducing ISO requirements for clearer night scenes, sharper subject focus, and soft bokeh, ensuring enhanced low-light performance and remarkable depth of field control.

SIRUI 40mm T1.8 1.33X Anamorphic Lens, S35 Autofocus Lens for M4/3 Mount Cameras (MFT Mount, Blue Flare) & 1.25X Adapter

Image of SIRUI 40mm T1.8 1.33X Anamorphic Lens, S35 Autofocus Lens for M4/3 Mount Cameras (MFT Mount, Blue Flare) & 1.25X Adapter

Product Highlights

  • ✅ Cinematic Widescreen Aspect Ratio — Utilizing a 1.33x anamorphic squeeze, the SIRUI 40mm S35 anamorphic lens yields a stunning 2.35:1 aspect ratio in 16:9 shooting mode, enabling you to capture a broader perspective for a captivating cinema experience.
  • ✅ Accurate Autofocus System — An advanced STM motor is added to achieve fast and precise autofocus. It supports eye focusing and subject tracking, making filming or photo shooting more efficient than ever.
  • ✅ Blue/Neutral Flares for Your Choice—This anamorphic lens with two flare options adds a touch of magic to every frame. Its artistic depth and subtle streaks create a cinematic, dreamy effect, perfect for adding a unique, personal flare to your projects.
  • ✅ Compact & Lightweight Design — Weights at only 614g/1.35lb, SIRUI 40mm is highly portable, making it ideal for run-and-gun shooting and mobile filmmaking setups.

SIRUI 40mm T1.8 1.33x S35 AF Anamorphic Lens for E Mount, Neutral Flares

Image of SIRUI 40mm T1.8 1.33x S35 AF Anamorphic Lens for E Mount, Neutral Flares

Product Highlights

  • ✅ Super 35 Coverage: This anamorphic prime lens has a 1.33x squeeze factor. It produces a widescreen 2.35:1 aspect ratio when shooting in a 16:9 mode.
  • ✅ High Optical Performance: One aspherical and five cylindrical elements contribute to the high optical quality of this lens.Focus breathing and chromatic aberration are well controlled.Supports EXIF metadata transfer and has a USB-C port for firmware upgrading.
  • ✅ Ideal for Low-Light Shooting: The maximum T1.8 aperture enables you to capture low-light scenes using lower camera ISO settings.Choose between stepped and stepless aperture settings for smooth exposure adjustments.Sharpness and optical quality are maintained even in night scenes.
  • ✅ Flares and Distinctive Bokeh: Shoot with a wide-open aperture to create a distinctive hexagonal bokeh. Stop down to get an oval bokeh that is typical of the anamorphic look. Create notable neutral flares that can be varied using different light sources.

SIRUI 20mm T1.8 1.33X Anamorphic Lens, S35 Autofocus Lens for L Mount Cameras, DC-S5/S5M2, DC-S1/S1H/S1R, DC-S9, SL1, CL, FP, FPL (Neutral Flare)

Image of SIRUI 20mm T1.8 1.33X Anamorphic Lens, S35 Autofocus Lens for L Mount Cameras, DC-S5/S5M2, DC-S1/S1H/S1R, DC-S9, SL1, CL, FP, FPL (Neutral Flare)

Product Highlights

  • ✅ Selectable Manual and Autofocus — Powered by a precision STM stepping motor, this lens is set to deliver smooth, accurate, and quiet autofocus. Featuring eye-tracking capabilities, an AF/MF switch, and autofocus lock (E/Z/L Mount), the lens provides complete creative control for cinematographers and video creators.
  • ✅ Covers Super 35—The 37mm image circle of the SIRUI 20mm T1.8 lens is optimized for APS-C or Super 35 sensors, delivering excellent coverage and image clarity.
  • ✅ T1.8 Ultra-Fast Aperture — The wide T1.8 aperture allows more light to enter, reducing ISO requirements for clearer night scenes, sharper subject focus, and soft bokeh, ensuring enhanced low-light performance and remarkable depth of field control.
  • ✅ 20mm Broaden Perspective — This 20mm wide-angle lens with a horizontal FOV equivalent to a 22mm full-frame lens, is well-suited for capturing expansive landscapes, breathtaking starry skies, and tight indoor spaces with ease.

SIRUI Night Walker 24mm T1.2 S35 Cine Lens, L Mount, Black

Image of SIRUI Night Walker 24mm T1.2 S35 Cine Lens, L Mount, Black

Product Highlights

  • ✅ Wide 24mm for Dynamic Cinematic Storytelling — The 24mm focal length delivers a versatile S35 perspective for landscapes, street scenes, interiors, and environmental storytelling, balancing a broad field of view with natural-looking composition.
  • ✅ T1.2 Ultra-fast Aperture for Low-Light Shooting — The bright T1.2 aperture captures more light in challenging conditions while creating shallow depth of field and smooth background separation for expressive cinematic footage.
  • ✅ 0.3m Close Focus for Immersive Compositions — Focus as close as 0.3m to capture subjects with greater depth and visual impact, making it ideal for environmental close-ups, detail shots, tabletop scenes, and creative storytelling.
  • ✅ Cinematic Optics with Precise Manual Focus — Advanced optical design delivers high sharpness with controlled aberration and minimal focus breathing. The 270° focus rotation enables smooth, precise, and repeatable manual focusing for video production.

SIRUI Night Walker 16mm T1.2 S35 Cine Lens, X Mount, Black

Image of SIRUI Night Walker 16mm T1.2 S35 Cine Lens, X Mount, Black

Product Highlights

  • ✅ Ultra-Wide 16mm for Cinematic Storytelling — Capture expansive landscapes, architecture, interiors, and immersive scenes with a broad S35 field of view. The 16mm perspective adds depth and visual impact to every frame.
  • ✅ T1.2 Ultra-fast Aperture for Low Light — The bright T1.2 aperture lets in more light for night scenes and available-light shooting while creating shallow depth of field and smooth, cinematic background separation.
  • ✅ 0.3m Close Focus for Creative Detail — Focus as close as 0.3m to bring subjects into an immersive perspective. Ideal for detail shots, environmental close-ups, tabletop scenes, and creative cinematic compositions.
  • ✅ Cinematic Optics with Smooth Manual Control — Premium optical design and coatings help deliver sharp detail, rich color, and controlled chromatic aberration. A 270° focus rotation provides precise, repeatable manual focus for video production.
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