Product Weight: 38g Function: Manual Control, Manual Focus, Manual Adjustment, Manual Exposure with Camera Body, Priority Exposure and Focus. High Quality: All-metal precision machining, aluminum alloy ring body with fine copper bayonet (will not wear the lens), durable, the inner wall is painted and matte to avoid reflection on CMOS and affect imaging. Workmanship: The workmanship is very delicate and tightly and smoothly connected to the bayonet. Color: SilverMaterial: MetalPackage Contents:1 x Lens AdapterOnly the above package content, other products are not included. Note: The light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.