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Canon EF 35mm f/1.4L USM


  • Ultra-Sonic Motor (USM) Autofocus
  • Super-Fast Maximum f/1.4 Aperture
  • 11 Elements in 9 Groups
  • Polished Aspherical Lens & Floating Element
  • 8-Bladed Circular Aperture
  • 72mm Filter Diameter



The Canon EF 35mm f/1.4L USM is a large-diameter wide-angle lens with f/1.4 capability that optimises brightness. It is the successor to the EF 24mm f/1.4 USM and further complements the Canon L-series of wide-angle lenses.

The optical system includes a polished aspherical lens along with a floating element, providing high image quality with outstanding correction for both wide f/1.4 aperture and aberration effects and outstanding definition over the entire image area. In addition, the lens’s ring USM and silent AF operation make it an outstanding L-series lens for both professional and advanced amateur users.


Image size: 24x36mm
Macro feature: None
Lens mount type: Canon EF mount
Focal length, aperture ratio: 35mm, 1:1.4
Minimum focusing distance: 0.3m
Manual focusing: Set focus mode switch, operate manual focusing ring (full-time mechanical manual focusing system)
Dimensions and weight: 79mm diameter x 86mm, 580g (prototype weight)
Magnification: 0.18x
Angle of view at infinity:
Diagonal (43.2mm) – 63ø
Vertical (24mm) – 38ø
Horizontal (36mm) – 54ø
Field: 206x136mm
Coating: Super spectra coating
Filter size: 72mm diameter, P=0.75mm. Single filter capacity
Lens configuration: 11 elements in 9 groups (1 polished aspherical surface for G9R2)
Aperture blades: 8
Aperture control: Pulse control with EMD (enabled simultaneously with AF drive)
Aperture value/indicator: Open: f/1.4 (indicator on lens barrel), Minimum: f/22 (same for lenses featuring 1/3-stop increments
Rotation angle, lens extension: 67ø, group 2 extension 5.05mm, group 3 extension 6.4mm
Drive system: Ring USM drive
Drive noise: 40dB or less (based on Canon’s Standard Test Method)
Drive speed: H and L: 0.5 seconds (lens drive speed from infinity to minimum focusing distance, lens-only drive speed)
Depth of field markings: Provided
Signal transmission:
EOS signal transmission, including 5 types of information (including absolute distance information)
1 – Lens mode
2 – Lens type
3 – Metering information
4 – Focal length
5 – AF drive information
Focusing range: 0.3m to infinity
Infrared index: Provided
Focusing extension mechanism: Rear-focusing method, with focusing cam operating the floating elements, groups 2 and 3

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