User manual
Tokina Cinema ATX 11-20mm T2.9 Zoom

User Manual for Tokina Cinema ATX 11-20mm T2.9 Zoom Lens with 3 x PRO IRND 86mm Filter Kit 2

• Product category: Digital Cine Lenses Tokina
• Brand: Tokina
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Tokina Digital Cine Lenses

Product description

• Cinema ATX 11-20mm T2.9 Wide-Angle Zoom Lens (Sony E Mount) The Tokina Cinema ATX 11-20mm T2.9 Wide-Angle Zoom Lens (Sony E Mount) features a super-wide field of view and cine-style design elements. It covers Super 35mm image sensors and is a parfocal lens, holding focus throughout zoom moves. The Cinema ATX 11-20mm maintains a constant T2.9 aperture throughout its zoom range, eliminating the need for exposure compensation as you zoom in. Its durable metal housing withstands the rigors of cine production and incorporates 0.8 Mod lens gears for compatibility with FIZ (focus/iris/zoom) control systems.Interchangeable EF, LPL, PL, MFT, and Nikon F lens mounts are available separately for swapping with the Sony E mount, expanding the lens's compatibility with additional cameras. The Tokina Cinema ATX 11-20mm incorporates low-distortion glass, and its 9-bladed iris produces attractive bokeh in out-of-focus areas. Focus (feet), iris, and zoom settings are marked on both sides of the lens barrel.Additional cine features include a minimum focus distance of 12", 300° of focus rotation, and an industry-standard 95mm front diameter compatible with most pro-style matte boxes. An 86mm front thread provides a second filtration option especially useful for low-profile or lightweight rig configurations. Note: Lens mounts may be changed by the user but mounting by a lens service center is recommended to ensure accurate focus scales.
  Features
  • • Compact, wide-angle T2.9 zoom lens covers Super 35mm sensors
    • Sony E mount is interchangeable with separately available EF, PL, LPL, MFT, and Nikon F mounts
    • Cine-style 0.8 Mod lens gears are designed for use with FIZ (focus, iris, zoom) systems
    • A constant T2.9 aperture is maintained throughout the zoom range
    • Low distortion glass
    • 9-bladed iris for precise exposure control and attractive bokeh
    • 12" minimum focus distance enables wide but close shots
    • Parfocal lens design maintains focus while zooming
    • The 95mm front diameter fits most pro-style matte boxes and adapters
    • The all-metal, cine-style housing includes a front 86mm filter thread
    • Focus (feet), iris, and zoom marks are on both sides of the lens barrel
• 86mm Cinema PRO IRND 1.5 Filter (5 Stop) Provided by third party: Most of today's high-end cinema cameras do not come equipped with a built-in low-pass or IR cut filter since they try to mimic the human eye and receive as much data as possible from the image subject. The more sensitive cameras are to light, however, the more exposure needs to be maintained using a stronger ND filter which in turn creates infrared pollution. To alleviate this issue, many camera manufacturers recommend the use of an IRND filter, even though many of the IRND filters on the market today have adverse side effects that come along with them such as color shifting. In addition to this, after adding or replacing an IRND filter, the white balance needs to be adjusted to maintain true color fidelity, which can quickly become too much work. In the end, the benefit of cutting infrared pollution doesn't seem like much of a benefit considering the need to continually white balance during a shoot and then correct color shifts in post.
  In terms of the development team at Kenko Tokina with their innovative Accu-ND Technology, creating a Neutral Density filter that precisely controls the amount of light entering the lens without affecting the color. A revolutionary filter that stabilizes the transmittance of color throughout the visible spectrum.
  The round PRO IRND filter has an ND vapor deposition coating on both sides of the glass creating a high precision, truly neutral filter.
  
• 86mm Cinema PRO IRND 1.8 Filter (6 Stop) Provided by third party: Most of today's high-end cinema cameras do not come equipped with a built-in low-pass or IR cut filter since they try to mimic the human eye and receive as much data as possible from the image subject. The more sensitive cameras are to light, however, the more exposure needs to be maintained using a stronger ND filter which in turn creates infrared pollution. To alleviate this issue, many camera manufacturers recommend the use of an IRND filter, even though many of the IRND filters on the market today have adverse side effects that come along with them such as color shifting. In addition to this, after adding or replacing an IRND filter, the white balance needs to be adjusted to maintain true color fidelity, which can quickly become too much work. In the end, the benefit of cutting infrared pollution doesn't seem like much of a benefit considering the need to continually white balance during a shoot and then correct color shifts in post.
  In terms of the development team at Kenko Tokina with their innovative Accu-ND Technology, creating a Neutral Density filter that precisely controls the amount of light entering the lens without affecting the color. A revolutionary filter that stabilizes the transmittance of color throughout the visible spectrum.
  The round PRO IRND filter has an ND vapor deposition coating on both sides of the glass creating a high precision, truly neutral filter.
  
• 86mm Cinema PRO IRND 2.1 Filter (7 Stop) Provided by third party: Most of today's high-end cinema cameras do not come equipped with a built-in low-pass or IR cut filter since they try to mimic the human eye and receive as much data as possible from the image subject. The more sensitive cameras are to light, however, the more exposure needs to be maintained using a stronger ND filter which in turn creates infrared pollution. To alleviate this issue, many camera manufacturers recommend the use of an IRND filter, even though many of the IRND filters on the market today have adverse side effects that come along with them such as color shifting. In addition to this, after adding or replacing an IRND filter, the white balance needs to be adjusted to maintain true color fidelity, which can quickly become too much work. In the end, the benefit of cutting infrared pollution doesn't seem like much of a benefit considering the need to continually white balance during a shoot and then correct color shifts in post.
  In terms of the development team at Kenko Tokina with their innovative Accu-ND Technology, creating a Neutral Density filter that precisely controls the amount of light entering the lens without affecting the color. A revolutionary filter that stabilizes the transmittance of color throughout the visible spectrum.
  The round PRO IRND filter has an ND vapor deposition coating on both sides of the glass creating a high precision, truly neutral filter.
  

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Technical parameters

• Cinema ATX 11-20mm T2.9 Wide-Angle Zoom Lens (Sony E Mount)

  Focal Length	11 to 20mm
  Lens Mount	Sony E
  Format	Super35/APS-C
  Image Circle	30.0 mm
  Maximum T-Stop	T2.9
  Maximum F-Stop	f/2.8
  Minimum T-Stop	T22
  Minimum F-Stop	f/22
  Minimum Focus Distance from Image Plane	0.98' / 0.3 m
  Optical Design	14 Elements in 12 Groups
  Iris Blades	9
  Gear MOD & Pitch	Focus: 0.8 MOD / 32 Pitch Iris: 0.8 MOD / 32 Pitch Zoom: 0.8 MOD / 32 Pitch
  Front Diameter	95 mm
  Filter Thread	86 mm
  Focus Scales	Imperial
  Focus Rotation	300°
  Zoom Ratio	1.82x
  Electronic Communication	No
  Maximum Magnification Ratio	1:9.65
  Length	3.92" / 99.5 mm Overall length.
  Weight	2.4 lb / 1.1 kg

  Box Dimensions (LxWxH)	8.85 x 6.45 x 6.4"

• 86mm Cinema PRO IRND 1.5 Filter (5 Stop)

  Product Type	Filter
  Form Factor	Round
  Filter Diameter	86 mm

  Intended For	Camera, camcorder
  Filter Effects	Neutral density / IR absorbing
  Filter Material	Glass

• 86mm Cinema PRO IRND 1.8 Filter (6 Stop)

  Product Type	Filter
  Form Factor	Round
  Filter Diameter	86 mm

  Intended For	Camera, camcorder
  Filter Effects	Neutral density / IR absorbing
  Filter Material	Glass

  Box Dimensions (LxWxH)	6.7 x 6.45 x 1.7"

• 86mm Cinema PRO IRND 2.1 Filter (7 Stop)

  Product Type	Filter
  Form Factor	Round
  Filter Diameter	86 mm

  Intended For	Camera, camcorder
  Filter Effects	Neutral density / IR absorbing
  Filter Material	Glass

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