ZhongYi Optics Mitakon SPEEDMASTER Cinema 50mm T1.0
for Canon RF mount camera

The Zhongyi Optics SPEEDMASTER CINEMA 50mm T1.0 LF is a cinema lens compatible with the full-frame format. With an aperture of T1.0, it offers excellent brightness, delivering clear and low-noise images even in low-light conditions. The lens also provides a vintage-like aesthetic and natural color rendering, expanding the possibilities of creative expression.

Features:

  • The bright T1.0 aperture and the smooth bokeh effect created by the 9-blade circular diaphragm allow you to make your subjects stand out.
  • Smooth operation with a wide-ranging focus ring.
  • Stepless, silent aperture ring designed with video shooting in mind.
  • Design that minimizes focus breathing to the utmost limit.
  • Unified barrel specifications.
  • Common barrel specifications across the series, including the rotation angle, position, and size of the focus ring and aperture ring, minimize the need for adjustments to lens accessories and camera stabilizers when switching lenses.

Lens Construction:

  • 8 groups, 11 elements.
  • Includes high-refractive index lenses, ED (extra-low dispersion) lenses, and high-transmission lenses.

Specifications:

Lens MountModel NumberDimensions (excluding mount)Weight
Sony ESPEEDMASTER T1.0/50 LF EΦ approx. 88×97(mm)approx. 810g
Nikon ZSPEEDMASTER T1.0/50 LF ZΦ approx. 88×98(mm)approx. 825g
Canon RFSPEEDMASTER T1.0/50 LF RFΦ approx. 88×95(mm)approx. 810g
Fujifilm XSPEEDMASTER T1.0/50 LF XΦ approx. 88×98(mm)approx. 800g

Other Specifications:

  • Focal Length: 50mm
  • Focus: MF (Manual Focus)
  • Lens Construction: 8 groups, 11 elements (including 2 ED lenses, 5 high-refractive index lenses, and 1 high-transmission lens)
  • Image Sensor Size Compatibility: 35mm Full Frame
  • Minimum Focusing Distance: 0.62m
  • Aperture: T1.0-T16
  • Diaphragm Blades: 9
  • Focus Ring Rotation Angle: 270°
  • Aperture Ring Rotation Angle: 60°
  • Filter Diameter: 77mm
  • Accessories: Front Cap, Rear Cap

Notes:

  • When using, set "Release without lens" to "ON" in the camera's menu.
  • The setting hierarchy for "Release without lens" may vary depending on the camera model. Please refer to the camera's user manual for the specific setting procedure.
  • Due to production batches, the delivered product may differ slightly from the product information.
  • ShotenKobo is an authorized distributor of Zhongyi Optics. Natural defects are covered under a two-year warranty.

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For buyers in the United States:
Import duties and taxes are included in the item price or shipping cost.
Items shipped to the U.S. are sent under the Delivered Duty Paid (DDP) method, which means all import-related charges are prepaid.
You don’t need to pay any additional fees when your order arrives.

For buyers outside the United States:
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These charges are the buyer’s responsibility.
Please check with your country’s customs office to determine what these additional costs will be before bidding or buying.

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