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Anamorphic Lenses

  • Introduction

Hyperion Optics specialized in custom anamorphic lenses design and production. We have been customizing unique applications such as projection and anamorphic photography. Generally speaking, these lenses are special tools that affect the aspect ratios and get projected onto the camera sensor.

Compared to spherical lenses, which are common and project images onto the sensor without causing aspect ratio change, anamorphic lenses compressing along the longer dimension, which require subsequent stretching, in post-production or at the projector to be properly displayed.

anamorphic lenses design

 anamorphic lenses for sale

With our high quality achromatic cylindrical lenses production capability, we are able to meet the most demanding anamorphic design performance, please refer to our cylindrical lens fabrication capability. To note, in some cases, custom design achromatic cylindrical lenses are extremely thick in CT, we are able to cement singlet parts on real time alignment device to avoid thickness unavailability of certain materials.

Here is a great sample that how anamorphic projection lenses can contribute:

anamorphic projection lenses

We begin with a cinemascope screen. Here we’re displaying a 2.35 or 2.40 film, Note the black bars top and bottom.

 cinemascope screen

The first step is to electronically stretch the image vertically. This is either called ‘vertical stretch’ or ‘zoom’ or ‘anamorphic mode’. This feature can be found many projectors and Blu Ray players. We have taken the active illuminated pixels in the black bars and scaled them back into the image. This process increases the overall on screen luminance or brightness. Once vertically stretched, everything on screen looks tall and skinny- compare the image below with the image above.

anamorphic mode

The final step is the optical expansion of the vertically stretched image to restore the geometry and to fill the entire cinemascope screen with active image. The result here is an image that is 78% larger than the original- Now compare top and bottom images.

Highlights of Hyperion Optics’ anamorphic design

  • Expected aspect ratio control
  • Sharp image quality, MTF can be tested according to requirement
  • Excellent achromatic feature
  • Design fit for 2.35, 2.39 and 2.4 aspect ratio
  • Theatrical cinema projection design available

Hyperion Optics’ anamorphic design


The history of anamorphic lenses:

It was invented in 1927 by Henry Kratong in accordance with Chinese magic mirror. It first appeared in the first world war, in order to allow the tank to gain a wider field of view and to add the anamorphic lens. It was first used by 20th century Fox in 1953, when it was filmed "the holy robe."

Advantages of anamorphic lens:

It makes full use of the performance of the projector, showing a broader view and bringing a more comfortable viewing effect.

Whytouse anamorphic lenses:

It can deform the projection image through the lens to meet the need of a wider screen. It allows a wide range of scenes to be compressed into the standard frame area.

How the anamorphic lens works:

Add a set of oval compression lenses to the lens, and the film will be vertically stretched to fit the size of 35 mm. At the time of the screening, we only had to use the opposite oval to magnifying the lens, and we could recover the original film of 2.35:1.

The difference between spherical and anamorphic lenses:

1. The curvature radius of the spherical lens is the same everywhere, the curvature radius of the anamorphic lens is different from the center and edge of the lens, and the curvature radius of the edge is usually longer.

2. The zoom lens of multi-slice spherical lens combination can easily produce barrel distortion at wide Angle end, and pillow distortion can be easily generated at long focus end.

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Corporate Info


  • TEL:+86-25-83307137
  • FAX:+86-25-86626312
  • EMAILrfq@hypoptics.com
  • ADDRESS:DanYang Industrial Zone Danjie Road #100, Danyang,China
    BaoXiang Road#6, Nanjing,China