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Canon cinema zoom lens with relay converter, matte black barrel, EF PL mount markings

Canon

Canon CN-E 45-135mm T2.4 L FP Cinema EOS Flex Lens with RL-S2 Relay Convertor

SKU CH-7B8M-AJZ40

A versatile cinema zoom covering 45-135mm with a constant T2.4 aperture and 11-blade iris for full-frame 8K production

  • Constant T2.4 aperture enables low-light shooting across the 45-135mm zoom range
  • 11-blade iris produces smooth bokeh and natural depth-of-field falloff
  • Internal focusing reduces focus breathing for consistent framing during pulls
  • 8K optical performance resolves fine detail from centre to edge on full-frame sensors
  • RL-S2 relay converter allows quick switching between EF and PL mount systems

Flex Zoom Lens for 8K Cinema

The Canon CN-E 45-135mm T2.4 L FP is a full-frame cinema zoom lens built for professional filmmakers. It delivers 8K optical performance with consistent Canon Cinema EOS colour science across the entire focal range. The constant T2.4 aperture provides reliable exposure control from wide to telephoto positions.

Upgrade from Variable-Aperture Zooms

This lens replaces variable-aperture zooms that lose speed when zooming in, making the jump worthwhile for productions requiring consistent exposure throughout a shot. The 11-blade iris creates smooth, circular bokeh and natural depth-of-field falloff. Internal focusing minimises focus breathing to maintain framing while racking focus.

Check Mount Compatibility and Format Coverage

Verify your camera uses either EF or PL mount before ordering, as the included RL-S2 Relay Convertor adapts between these two systems only. Ensure your sensor format is covered by the large-format image circle designed for full-frame capture. Confirm your rig can accommodate the lens dimensions and weight for balanced operation.

Highlights

  • Constant T2.4 aperture enables low-light shooting across the 45-135mm zoom range
  • 11-blade iris produces smooth bokeh and natural depth-of-field falloff
  • Internal focusing reduces focus breathing for consistent framing during pulls
  • 8K optical performance resolves fine detail from centre to edge on full-frame sensors
  • RL-S2 relay converter allows quick switching between EF and PL mount systems

Specifications

No published specifications for this item yet.

Questions about this item

Which mounts does the CN-E 45-135mm T2.4 Flex Lens support with the RL-S2 Relay Convertor?

The lens is offered in EF and PL mount versions and the included RL-S2 Relay Convertor lets you switch between them without tools.

What is the correct order for attaching the RL-S2 Relay Convertor to the camera body and the lens?

Mount the convertor to the camera first, then attach the lens to the convertor; reversing the order can prevent the locking pin from engaging fully.

How often should the 11-blade iris mechanism be checked for smooth operation?

Cycle the iris through its full range before each shoot; if any blade sticks or the movement feels gritty, schedule a professional service.

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