Global Dynamics United 40mm f2.8 The Lens Built to Take a Beating
The heart of the Global Dynamics United 40mm f2.8 optical block was stripped down to its core and then built back up with an armored precision machined mil-spec 7075 Aluminum housing. The manual focus ring has been removed for strength and to avoid accidental focus adjustments. Instead, all movement is regulated to its internal STM motors for remote focus and iris control.
An electronic Stainless Steel Canon EF mount finishes off the rear and out front; the GDU 40mm Includes a 37mm protective UV filter inset within a 46mm non-threaded protective ridge. Specs – 8k Vista Vision / Full Frame / Super 35mm / APS-C coverage in a robust, lightweight, slim design.
Perfect for RED 4k, 5k, 6k, and 8k cameras with Canon Mount, Canon video cameras or Canon 5D, and other Canon full frame or APS-C cameras, BM or a Sony Nex / A7 with AF Canon adapter.
Aspherical Element and f2.8 aperture Minimum focus distance of 11.81″ – Circular 7-blade Aperture -Total Weight including 37mm filter: 0.5 lbs. -CANON EF MOUNT. *This is an electronic-only lens; your camera MUST be able to drive the motors electronically for both Focus and IRIS adjustments. This includes most Canon cameras, RED cameras with DSMC Canon mounts, and various other cameras with electronic EF mounts. Each GDU lens is hand-assembled in Los Angeles.
Global Dynamics United 40mm f2.8 Features:
Covers full-frame, Super 35, and APS-C sensors
Advanced optics for solid image quality
Electronic-only focus and iris
Durable, compact, and lightweight build