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Fujinon

Fujinon XA20SX8.5BERM ENG 8.5-170mm Lens

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The Fujinon XA20sx8.5BERM-K3 ENG Lens is an 8.5-170mm lens, designed to provide 2/3" format cameras with a wide to super telephoto angle-of-view. The lens has a 20x zoom ratio, and a 2x extender effectively doubles the focal range. An ergonomic, digital servo zoom control is also included.

View Product Features

  • 8.5-170mm for 2/3" Format
  • 20x Zoom Ratio and 2x Extender
  • Fast f/1.8 Max Aperture at 8.5-113mm
  • Manual Focus and Servo Zoom
  • Innerfocus and QuickZoom
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About the Fujinon XA20SX8.5BERM ENG 8.5-170mm Lens

The Fujinon XA20SX8.5BERM is a high-performance 2/3-inch broadcast zoom lens engineered for electronic news gathering (ENG) and field production. Featuring a 20x optical zoom ratio, it provides an extensive focal length range from a wide-angle 8.5mm to a telephoto 170mm, which can be doubled to 340mm with its built-in 2x extender. This versatility allows camera operators to capture expansive environmental shots and tightly framed close-ups from a single position, a critical capability in fast-paced news and documentary filming. The lens maintains a fast maximum aperture of T1.9 at the wide end, tapering to T2.7 at full telephoto, ensuring excellent low-light performance and enabling creative control over depth of field for a more cinematic look even in challenging lighting conditions.

This lens incorporates Fujinon's advanced optical technologies, including aspherical elements and proprietary HBC (High Bandwidth Coating), to deliver high-resolution, high-contrast images with minimal distortion and effective suppression of flare and chromatic aberration. The internal focusing design keeps the front element stationary, allowing for consistent use of polarizing filters, matte boxes, and lens shades without adjustment during operation. Equipped with three independent servo drives for zoom, focus, and iris, the lens offers smooth, responsive control that can be operated manually via the ergonomic barrels or through connected remote control units. The robust, magnesium alloy housing is sealed against dust and moisture, ensuring reliable performance in demanding outdoor environments.

Designed for seamless integration with modern HD and HDR-capable 2/3-inch broadcast cameras, the XA20SX8.5BERM supports the high resolution and wide color gamut required for contemporary production standards. Its combination of a powerful zoom range, high speed, broadcast-grade optics, and rugged construction makes it an ideal choice for news crews, documentary filmmakers, and event videographers who require a reliable, versatile lens capable of delivering exceptional image quality across a wide variety of shooting scenarios, from breaking news to planned cinematic productions.

Key Features

  • 8.5-170mm for 2/3" Format
  • 20x Zoom Ratio and 2x Extender
  • Fast f/1.8 Max Aperture at 8.5-113mm
  • Manual Focus and Servo Zoom
  • Innerfocus and QuickZoom

Fujinon XA20SX8.5BERM ENG 8.5-170mm Lens Specs

Image & Performance
Horizontal Angle of View (Wide)
56.7° (at 8.5mm)
Horizontal Angle of View (Tele)
2.8° (at 170mm)
Minimum Object Distance
0.8 m (from image plane)
Maximum Magnification Ratio
0.32x (at 170mm with MOD 0.8m)
Close Focus Function
Yes
Physical & Control
Lens Dimensions (Diameter x Length)
Approx. 136 mm (Max Dia.) x 256 mm (Length)
Weight
Approx. 3.1 kg (6.8 lbs)
Servo Motors
3 (Zoom, Focus, Iris)
Control Interface
12-pin Hirose (Power/Servo), 20-pin for data (B4 mount)
Front Diameter
104 mm
Environmental & Electrical
Operating Temperature
-20°C to +45°C
Power Requirements
DC +12V (from camera)
Power Consumption
Approx. 5.2W
Sealing
Dust and Moisture Resistant
Focus & Zoom Mechanics
Zoom Speed
Variable, approx. 0.9 sec (Wide to Tele) at max speed
Focus Rotation
Approx. 300 degrees
Iris Range
T1.9 to T22 + C (Close)
Optical Specifications
Focal Length Range
8.5 to 170 mm
Optical Zoom Ratio
20x
Built-in Extender
2x (Engageable, max FL 340mm)
Maximum Aperture (Wide)
T1.9
Maximum Aperture (Tele)
T2.7
Lens Format
2/3-inch

Key Features

  • 8.5-170mm for 2/3" Format
  • 20x Zoom Ratio and 2x Extender
  • Fast f/1.8 Max Aperture at 8.5-113mm
  • Manual Focus and Servo Zoom
  • Innerfocus and QuickZoom
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