Features 1??Made of high-quality aluminum alloy material, corrosion resistance and wear resistance. 2??With lens release button, throught stress-tested, durable. 3??The oxidized ring is electroplated and, ergonomically designed non-slip texture, installation is not easy to slide. 4??High processing accuracy, good sealing of the mount, no light leakage. 5??Electroplated components to improve wear resistance. Good metal texture to improve aesthetics. 6??High elastic sheet, firm installation and durable 7??Fit for Leica LM VM ZM mount lens, use for Sigma fq, for S1/S1r, for Leica CL / SL / TL / T and other L mount camera. Specification Condition: Item Type: Close-up Adapter Ring : 7artisans Model: LM-L Material: aluminium alloy Color: silver Weight: Approx. 154g Applicable lens: for Leica LM VM ZM mount lens Applicable cameras: for Sigma fp, for S1 / S1r, for Leica CL / SL / TL / T, etc. Process: Electroplating and oxidation process Adapter ring minimum focusing distance: Lens type 28mm 35mm 50mm 75mm Normal ring 0.7m/2.3ft 0.7m/2.3ft 0.7m/2.3f 0.8m/2.6ft Close-up Adapter Ring 0.18m/0.6ft 0.25m/0.8ft 0.37m/1.2ft 0.53m/1.7ft Package List 1 x Adapter ring 1 x Adapter ring front cover 1 x Adapter ring rear cover