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Canon KJ20x8.2B Portable 20x HD Lens with 2x Zoom Extender

BH #CAKJ20X82BIR • MFR #KJ20X8.2B IRSD
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Canon KJ20x8.2B Portable 20x HD Lens with 2x Zoom Extender
Key Features
  • 8.2-164mm Lens for 2/3" Format Cameras
  • Built-In 2x Extender / 16.4-328mm
  • Maximum Zoom Speed 1.0 sec. (End to End)
  • Reduces Aberrations & Distortions
The Canon KJ20x8.2B Portable 20x HD Lens with 2x Zoom Extender features a B4 mount for use with 2/3" format camcorders and offers a focal length range of 8.2-164mm. With a built-in 2x extender, you can enhance its focal length to 16.4-328mm.
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Canon KJ20x8.2B Overview

The Canon KJ20x8.2B Portable 20x HD Lens with 2x Zoom Extender features a B4 mount for use with 2/3" format camcorders and offers a focal length range of 8.2-164mm. With a built-in 2x extender, you can enhance its focal length to 16.4-328mm.

Crafted with high-quality design tools, including optical simulation and 3D-design technologies, the Canon HD lens ensures minimal axial and lateral chromatic aberrations, coma aberrations, and geometric distortion. Furthermore, the lens features optical materials and multilayer optical coatings that minimize optical artifacts stimulated by strong light sources. Macro focusing ability effectively reduces the minimum object distance to only 10mm from the front of the lens.

Advanced Drive Unit technology provides convenient control when using Canon portable HD lenses. Thanks to its ergonomic design, the drive unit touts a comfortable grip and an improved balance, which further enhances your tactile connection with the lens.

This lens also includes Canon's Shuttle Shot technology that improves production capabilities. Employ the Shuttle Shot technology to rapidly zoom back and forth between any two positions. It can also be used to zoom to the telephoto position for checking focus and almost instantly return to the original position, or "shuttle" between any two zoom positions at any time. You can also set specific Shuttle Shot zoom positions through a memo switch that enables reliable Shuttle Shot setup in the field where more consistent functioning of the controls is required. Additionally, you can securely grip the drive unit without inadvertently pressing the VTR or Shuttle Shot buttons.

Features
B4 lens mount for use with 2/3" format camcorders.
Offers a focal length range of 8.2-164mm.
Built-in 2x extender enhances focal length from 8.2-164mm to 16.4-328mm.
Maximum Zoom Speed 1.0 sec. from wide end to tele end.
Made from high-quality design tools, including optical simulation and 3D-design technologies, novel optical glass materials and coatings, and dispersion glass.
Minimizes longitudinal and lateral chromatic aberrations, monochromatic aberrations like coma and astigmatism, and geometric distortion.
Optical materials and multilayer optical coatings weaken optical artifacts stimulated by strong light sources.
High MTF at the picture center controls picture extremities.
Macro focusing ability effectively reduces the minimum object distance to only 10mm (from the front of the lens).
Suitable in the fields of journalism and production.
Advanced Drive Unit
  • Has an ergonomic design for convenience and control when using the HD lens
  • Camera-communication interface supports aberration correction functions
  • Servomotor has a noise-suppressing construction to avoid a corresponding increase in noise
  • Ribbed surface on the bottom for a firmer grip and better overall operational control
  • Grip Support ensures that you have a secure grip over the drive unit without pressing on the VTR or Shuttle Shot buttons
Shuttle Shot Technology
  • Improves your production capabilities
  • Rapidly zooms back and forth between any two positions
  • Can also be used to zoom to the telephoto position for checking focus and almost instantly return to the original position, or ‘shuttle’ between any two zoom positions at any time
  • Has a memo switch that sets specific zoom positions for the Shuttle Shot function

Canon KJ20x8.2B Specs

Sensor Compatibility
2/3" (16:9)
Focal Length
8.2 to 164mm
With Extender: 16.4 to 328mm
Built-In Extender
2x
Zoom Ratio
20x
Angle of View
Wide: 60.7 x 36.5° (H x V)
Tele: 3.4 x 1.9° (H x V)

With 2x Extender
Wide: 32.6 x 18.7° (H x V)
Tele: 1.7 x 0.9° (H x V)
Maximum Aperture
f/1.9 to 2.7
With Extender: f/3.8 to 5.4
Focus Type
Manual Focus
Iris Type
Manual, Servo
Filter Thread
M82
Macro
Yes
Minimum Object Distance
35.4" / 90 cm
Macro: 0.4" / 10 mm
Optical Image Stabilization
No
Dimensions
Overall: 8.1 x 6.4 x 4.1" / 20.6 x 16.3 x 10.4 cm (L x W x H)
Weight
3.1 lb / 1.4 kg
Packaging Info
Package Weight
5.8 lb
Box Dimensions (LxWxH)
14.6 x 11.4 x 9.8"

Canon KJ20x8.2B Reviews

See any errors on this page?

Is this compatible with the Sony PMW-320?

Is this compatible with the Sony PMW-320?
Asked by: jerry
No it is not.
Answered by: jabarih
Date published: 2021-11-08

question

Can this lens be adapted to SONY FS7?
Asked by: Daniel
You could adapt the lens for the FS7 with a B4 to E-Mount adapter. You would have to look in to a power solution as well. If you had a V-Mount battery with a D-Tap connection you could purchase a D-Tap to 12 Pin Hirose cable for power.
Answered by: Joseph P.
Date published: 2019-07-14

I have a Canon C200 that I want to use for live ...

I have a Canon C200 that I want to use for live event production and need a longer zoom servo lens. I purchased a MTF Services Ltd B4 2/3" to Canon EF Adapter and paired it with a Canon SD B4 lens and it works well but the image quality is much softer than any of my EF lenses. Being that this is an HD lens will this pair better and provide sharper images if I upgrade to the Canon KJ20x8.2B? I was also considering the Fujinon XA20sx8.5BERM-K3 ENG Lens.
Asked by: Eric
The Canon KJ20x8.2B Portable 20x HD Lens with 2x Zoom Extender (B&H# CAKJ20X82BIR) is designed to offer high resolution images and will outperform Canon SD B4 lenses that regard as well as many others. The Fujinon XA20sx8.5BERM-K3 ENG Lens (B&H# FUXA20SX85BE) is exceeding similar in its optical specifications and offers similar performance.
Answered by: Yoni S
Date published: 2022-11-02

Is there a suitable zoom, focus, aperture ...

Is there a suitable zoom, focus, aperture controller for studio style tripod use? (Like ZSD-300)
Asked by: David
Here is Canon's Broadcast and Cine Lens Catalogue: https://canon.a.bigcontent.io/v1/static/broadcast-and-cine-lens-catalogue-637035974102257494UN Starting on page 23, you will find kit configurations for all professional video ENG lenses, including the K20x8.2B.
Answered by: Nick Y
Date published: 2021-06-06

question

is there autofocus function on this lense?
Asked by: Clement P.
I'm afraid not, this is a manual focus lens.
Answered by: Joseph P.
Date published: 2018-08-28

question

Is it possible to command zoom by LANC control (With URSA mini B4)?
Asked by: Clement P.
LANC is not a robust enough protocol to handle this type of lens. You would need a Canon zoom demand connected directly to the lens. Here is one of the more affordable ones: Canon ZSD-15M II Zoom Demand B&H # CAZSD15M2. Note: this device is a special order and it will be 2-4 weeks before it ships.
Answered by: Dennis A L.
Date published: 2018-08-28

question

Can I use the lens with the JVC 850 camera? What adapters I need and what control limitations if any can occur?
Asked by: Viktor M.
You would need a 1/3 to 2/3 lens adapter for use with this lens.
Answered by: Dana G.
Date published: 2018-08-28

Can you use the RED Komodo?

Can you use the RED Komodo?
Asked by: Ryan
No, The Canon KJ20x8.2B Portable 20x HD Lens with 2x Zoom Extender would not be adaptable to the RED Komodo.
Answered by: Chris H
Date published: 2022-12-17
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