SIRUI ANAMORPHIC LENSES

Sirui Anamorphic Lenses offer filmmakers and photographers the ability to capture breathtaking wide-angle shots with a distinct cinematic look.

FULL FRAME

APS-C/S35

M4/3

SIRUI APS-C/S35/MFT Lenses

The Sirui 1.33x Anamorphic lenses are specifically tailored for APS-C/S35 and Micro 4/3 sensors. Depending on the sensor crop, different aspect ratios can be achieved - a 2.4:1 ratio with a 3:2 sensor, and a more expansive 2.8:1 ratio with a 16:9 sensor. This broad aspect ratio provides ample room for cropping during post-production.

While typical anamorphic lenses are known for being bulky, heavy, and costly, Sirui challenges this status quo with their innovative design. They offer lightweight, compact anamorphic lenses that deliver exceptional image quality at reasonable prices.

Sirui continues to evolve its diverse line of focal lengths to cater to various sensor sizes and camera mounts, always expanding to embrace new focal lengths and designs.

Constructed from aircraft-grade aluminium, Sirui anamorphic lenses incorporate high-quality German Schott glass elements. These elements feature high-definition nanocoatings to preserve image sharpness and quality. The front element also boasts a waterproof coating for added durability.

Sirui's collection includes 24mm, 35mm, 50mm, and 75mm lenses. These lenses employ a 1.33x squeeze factor and generate a 2.4:1 aspect ratio. They come in a variety of mounts, including Sony E, Canon RF, Nikon Z, Panasonic L, Canon EF-M, and Fuji X.

In terms of the 1.33x Anamorphic Squeeze, these lenses employ a distortive anamorphic front element that compresses the shot's horizontal axis by 1.33 times. This technique enables a greater volume of information to fit onto the sensor, which is then expanded either in post-production or in-camera (depending on the compatibility per manufacturers’ specs) to provide a broader field of view and ratio than a standard aspherical lens.

As for High Definition Optics, Sirui utilises superior German Schott glass in the lens optics to deliver high-definition resolution. These 1.33x Anamorphic lenses by Sirui have proven adept at producing images on high-resolution sensors without any issues.

In terms of ergonomics, all lenses in the range (with the exception of the 24mm lens, which has a 72mm filter thread) include a 67mm filter thread. Given their compact and lightweight nature, these lenses are perfect for run-and-gun style filming.

SIRUI Full Frame Lenses

Sirui T2.9 1.6x Anamorphic lenses are engineered for optimal performance with full-frame sensors. The different crop settings allow for a variety of aspect ratios. When using a 3:2 sensor, a 2.4:1 aspect ratio is achieved, while shooting in 16:9 allows for a significantly broader 2.8:1 ratio. This expanded aspect ratio facilitates greater flexibility during post-production cropping.

Conventionally, anamorphic lenses are bulky, large, and exorbitantly priced. However, Sirui bucks this trend by designing compact, lightweight anamorphic lenses that deliver excellent image quality at an accessible price point. Sirui continues to expand its diverse portfolio of focal lengths to accommodate a multitude of sensor sizes and camera mounts, incorporating new designs and focal lengths.

Crafted from aircraft-grade aluminium, Sirui anamorphic lenses incorporate superior German Schott glass elements. These elements are coated with high-definition nanocoatings to preserve image quality and sharpness. The front element is also treated with a waterproof coating for additional resilience.

The Sirui product line includes full-frame lenses in the following focal lengths: 35mm, 50mm, 75mm, 100mm, 135mm, and 150mm. These lenses feature a 1.6x squeeze factor, yielding a 2.8:1 aspect ratio. Notably, the 135mm lens carries a 1.8x squeeze factor, producing a 3.2:1 aspect ratio. Available mounts include Sony E, Canon RF, Nikon Z, and Panasonic L.

In terms of the 1.6x Anamorphic Squeeze, these lenses employ an anamorphic front element that distorts optics to compress the horizontal axis of the shot by 1.6 times. This allows for the capture of more information on the sensor, which is then expanded during post-production or in-camera (compatibility varies according to manufacturers' specifications) to provide a wider field of view and ratio than a standard aspherical lens.

For High Definition Optics, the lens optics incorporate premium quality German Schott glass, providing high-definition resolution. Sirui T2.9 Anamorphic lenses excel at rendering images on high-resolution sensors without any complications.

Consistent Ergonomics are maintained across the range with each lens incorporating an 82mm filter thread, consistent focus gears, a 1/4" mount, and a T2.9-22 aperture.

What is an Anamorphic lens?

An anamorphic lens is designed with additional glass elements that squeeze the image horizontally, allowing filmmakers to capture a wider field of view than the film or digital sensor would ordinarily allow.
In production there are typically two classes of lenses — anamorphic and spherical. Spherical lenses are the most common and project images onto a camera’s film or digital sensor without affecting their aspect ratio.
Anamorphic lenses expand the frame horizontally, accommodate more shooting width, and can output shots with a wide-format specification ratio without cropping. This has a significant advantage in film. It allows filmmakers to achieve wide aspect ratios without sacrificing resolution via cropping, which would typically have to be done when using a spherical lens to achieve widescreen aspect ratios. 

Anamorphic lenses also have distinct features which provide a unique look on screen. These include oval bokeh, light flares, greater depth of field and the widescreen ratio. 

In order to correctly view and edit the Anamorphic footage firstly you will need to ‘Desqueeze’ the footage. Below are some simple steps in the most common editing platforms to achieve the ‘Desqueeze’. 

1. DaVinci Resolve

  1. Place footage on a new timeline with the chosen aspect ratio and resolution.
  2. Select anamorphic clips and Navigate to the inspector in the top right of the Edit page.
  3. Under transform, ensure that the link symbol between Zoom X and Zoom Y is deselected.
  4. Stretch the Zoom X by the same ratio as your anamorphic lens (1.6x for Full frame and 1.33x for Super35, APSC, and MFT).
  5. This will ensure the footage looks correct, then transform the footage to fill the frame of your chosen aspect ratio and resolution.

2. Premiere Pro

  1. Place footage on a new timeline with the chosen aspect ratio and resolution.
  2. Select an anamorphic clip and Navigate to Effect Controls, Motion, and Scale.
  3. Under scale, make sure that the uniform scale check box is unticked.
  4. Stretch the scale width by the same ratio of your anamorphic lens (160% for Full Frame and 133% for Super35, APSC, and MFT).
  5. This will ensure the footage looks correct, then transform the footage to fill the frame of your chosen aspect ratio and resolution.

3. Final Cut Pro

  1. Place footage on a new timeline with the chosen aspect ratio and resolution.
  2. Select anamorphic clips and Navigate to the inspector at the top right of the page.
  3. Under transform, Stretch the Scale X by the same ratio as your anamorphic lens (160% for Full frame and 133% for Super35, APSC, and MFT).
  4. This will ensure the footage looks correct, then transform the footage to fill the frame of your chosen aspect ratio and resolution.

What is an Anamorphic Lens?

Anamorphic lenses can capture both horizontal and vertical information in a frame. However, they can capture much wider footage horizontally, compressing it onto the sensor. This allows for a much wider field of view than traditional lenses, which, when ‘desqueezed’ gives videographers the widescreen cinema look. 

What’s even cooler is that anamorphic lenses can be used on both full-frame and crop-sensor cameras. So, if you’re looking to get that signature anamorphic look, you don’t necessarily need to invest in a new camera body. 

The only downside is that traditionally anamorphic lenses have been expensive. Sirui Anamorphic lenses have broken that mould, and Sirui have created a high-performing and budget-friendly Anamorphic range.

What are the benefits of an Anamorphic lens 

An anamorphic lens has a lot of benefits. The main one is the ability to shoot in widescreen. Compressing the image horizontally onto the sensor allows for a widescreen capture. This preserves resolution when shooting for cinema or widescreen aspect ratios, as you do not need to crop the image to attain the required aspect ratio. 

Anamorphic lenses offer a unique look, including flares and oval bokeh. Both give the footage a cinematic look which is synonymous with higher-end productions. 

How does an Anamorphic lens work?

An anamorphic lens is a type of lens that captures a wide aspect ratio on film or digital sensors. These lenses are used in cinematography and still photography to give images a unique look. 

Anamorphic lenses have a unique optical design that allows them to capture a wider field of view than traditional lenses. This is accomplished by using a special barrel distortion that compresses the image horizontally. 

The anamorphic look is often characterized by horizontal flares, oval-shaped bokeh, and increased depth of field. Many filmmakers and photographers believe that the anamorphic look lends images a certain “cinematic” quality. 

If you’re interested in giving your images an anamorphic look, you’ll need to purchase an anamorphic lens. 

Are there different types of Anamorphic lenses?

Anamorphic lenses come in a few different varieties, 

The most common anamorphic lenses are 1.33x, 1.6x, and 2x, and these refer to how much the lens squeezes the horizontal image onto the sensor. For instance, a lens with a 1.6x squeeze ratio will capture 1.6 x the width of the focal length. If a 50mm 1.6x lens is used, the vertical focal length will be 50mm, and the horizontal focal length will be equivalent to 31.25mm.

The Sirui range includes both 1.33x and 1.6x anamorphic lenses as well as a 1.25X adapter allowing for up to 2x on the 1.6x lens range. 

Anamorphic Lens

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