1Macro close-up ring group includes three specifications of 12mm, 20mm and 36mm, suitable for 35mm SLR lenses. 2It can be used alone or in any combination according to the shooting needs. 7 macro combinations can produce different magnifications. 3The close-up ring uses gold-plated electronic contacts, can convert a normal lens into a "Macro-like" lens without losing the autofocus function. 4It is processed with aluminum alloy envelope inner film, exquisite workman, durable, and can be used on the telephoto lens. 5Macro-like combination, can be flexibly used to combine into different focal lengths. 6With gold-plated electronic contacts, it has excellent metering and automatic focusing functions. 7Metal and plastic materials, built-in aluminum alloy casing, durable, lightweight and portable; very suitable for macro shootingCondition: 100% brand newItem type:Macro AdapterRingMaterial: metalColor: blackWeight: Approx. 195g Connection ring length: Approx. 12mm+20mm+36mm/0.5in + 0.8in + 1.4in Features: automatic focusing, adjustable aperture Applicable models: Compatible for Nikon lens series: for Nikon SLR and for Nikon AF, AF-S, D, G and VR lens series, for Nikon SLR cameras D5300, D5000, D3000, D3200, D5100, D5200, D3100, D7000, D7100, D4, D800, D800E, D600, D40x, D50, D60, D70, D80, D90, D100, D200, D300, D3, D3S, D700 1 x 12mmClose-up AdapterRing1 x 20mmClose-up AdapterRing1 x 36mmClose-up AdapterRing1 x Instruction2 x Dustproof cover1 x Storage bag