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IB/E S35xFF Expander - PL Mount

IB/E Optics
Abel Code: AB-S35xFF
Mfr. Code: 193000025701
Not Available Online
Special Order Only
This is a special order item. You will be charged upon placing your order, which is non-cancelable and non-returnable.
This PL Mount expander scales the Super-35 image up to 46.4mm, covering "full-frame" format (ø 43.5mm) and the RED DRAGON 8K format (46.3mm), for lenses with T2.0 maximum aperture.
Key Highlights
  • 1.6x Expander
  • Scales S35 image up to 46.4mm
  • UMS PL Mount


The IB/E S35xFF Expander was specifically designed to address the trend toward larger format sensors, such as ARRI ALEXA LF, Sony VENICE, Panavision Millennium DXL2, and ARRI ALEXA 65. Larger sensors deliver a "filmic" look with interesting bokeh due to their very shallow depth of field. However, such cameras require lenses that can cover larger sensor sizes, or an expander like the S35xFF that allows cinematographers to use their favorite S35 lenses.

The current version of the S35xFF expander increases the focal length by a factor of 1.6x, scaling the Super-35 image up to 46.4mm to cover "full-frame" format (ø 43.5mm) and the RED DRAGON 8K format (46.3mm). It is designed to cover large format sensors with lenses that have a maximum aperture of T2.0 (with ideal performance achieved at T2.8), well within the working aperture range of many popular S35 zoom lenses. Special attention was taken while designing the extender to ensure minimum light fall off and maximum image performance up to the edge of larger sensors.

NOTE: An optimized version of the S35xFF  is under development that will be compatible with faster lenses, thus providing a solution for cinematographers planning to use many of the fastest and highest quality S35 lenses with large format sensors.


  • Can be used with most PL mount S35 optics
  • UMS PL mount is interchangeable with other mounts, such as standard UMS LPL, EF, E, FZ, and FZ Mark II (not included)
  • NOT compatible with mirror shutter cameras

Manufacturer Stated Compatibility:

  • Angénieux
    • Optimo 17-80 mm Zoom
    • Optimo 24-290 mm Zoom
    • Compact Optimo Zooms
    • 17-102mm Zoom
    • 25-250mm HR-Zoom
  • Fuji
    • From T2.0
  • Canon
    • From T2.0
  • Leica Summicron
    • From T2.0
    • Zooms from T2.0
    • Standard Speed T2.1 28/50/85/135mm

What's in the Box

  • IB/E S35xFF Expander - PL Mount


Key Highlights

  • 1.6x Expander
  • Scales S35 image up to 46.4mm
  • UMS PL Mount
  • For lenses with T2 max. aperture
  • Not compatible with mirror shutter

Mount / Optical Lens Adapters

Adapter Mount Side B (Camera):
Adapter Mount Side A (Lens):
Light Loss (in stops):
Adapter Type:
Optical Adapter
Mount Adapter
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