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The Fujinon XA20SX8.5BRM-K3 is an 8.5-170mm ENG lens that gives B4-mount, 2/3"-format cameras a wide to super-telephoto angle of view with servo control. Key features include:
8.5-170mm lens for 2/3" format
Quick zoom and auto cruising
Fast f/1.8 maximum aperture at 8.5 to 113mm
No extender
Wide to Super-Telephoto Zoom. The Fujinon XA20SX8.5BRM-K3 is a wide to super-telephoto lens for B4-mount, 2/3"-format cameras, such as the Blackmagic Design Ursa Broadcast (B4)z, Blackmagic URSA Broadcast G2 Camera (B4), and Sony PXW-Z750 4K. It has a 20x zoom ratio and a fast maximum aperture of f/1.8 from 8.5 to 113mm, though it’s a slower f/2.7 at 170mm. This lens includes an ergonomic digital servo zoom control.
Internal Focusing Design. This manual-focus lens has an internal-focusing design, which ensures a more consistent focal length when adjusting focus by minimizing the effects of lens breathing.
Fast Zoom Speed. Fujinon’s QuickZoom technology gives you a 0.7-second end-to-end zoom speed. With the push of a button, QuickZoom facilitates a quick shift to the telephoto end to check focus. The lens automatically returns to your selected focal length as soon as you release the button.
Looking for a Lens-Control Solution? We offer the Fujinon MS-01 Rear Zoom and Focus Lens Control Kit as a separate rental item. This kit is designed to only work with ENG/EFP lenses—specifically Fujinon’s XA line of lenses
This lens has an attached control cable that will plug into compatible cameras for servo power and lens control.
No. This lens only only has a 20x optical zoom, there is no extender.
If you’re looking for a comparable lens that comes equipped with an extender, we recommend the Fujinon XA20SX8.5BERM-K3 B4 Lens for 2/3 Sensors.
Brand |
Fujinon |
Dimensions |
85 × 180.8mm / 3.3 × 7.1″ |
Filter Thread |
M82 x 0.75 |
Image Stabilization |
No |
Item Type |
Lens |
Max Aperture |
1 : 1.8 (8.5-113mm) / 1 : 2.7 (170mm) |
Mount |
B4 |
Weight |
1.5 kg / 3.3 lbs. |