Global Dynamics GDU 40mm Lens

The Global Dynamics GDU 40mm Lens is an electronic-only lens that covers a Super 35mm / APS-C Sensor. It features an f/22 to f/2.8 Aperture Range, seven-blade iris, aluminum housing, and steel mount. 

The heart of the GDU 40mm is a Canon 40mm F2.8 optical block 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 completely removed for strength and to avoid
accidental focus adjustments and 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 strong, lightweight and 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.

FEATURES:

• Covers Super 35mm / APS-C Sensor
• Canon EF Mount
• Electronic-Only Focus and Iris Control
• f/22 to f/2.8 Aperture Range
• Included 37mm UV Filter
• 7-Blade Iris
• STM Stepping AF Motor
• Aluminum Housing, Steel Mount