Condition: 100% Brand New Item Type: Macro Lens Adapter Ring Material: Metal Color: Black Quantity: 1PCS Weight: Approx. 121g Fitment: for Nikon Mirrorless Camera Let's take F=50mm fixed-focus lens as example to see what magnification can achieved by different combinations of connectors: Macro Lens Adapter Ring Combination Object Ratio Image Adjustment Range Do not Add Ring 1:0.20~1:0.34 Add #1 1:0.34~1:0.48 Add #2 1:0.48~1:0.62 Add #1+#2 1:0.62~1:0.76 Add #3 1:0.76~1:0.90 Add #1+#3 1:0.90~1:1.04 Add #2+#3 1:1.04~1:1.18 Add #1+#2+#3 1:1.18~1:1.32 1、Close-up connecting ring installed between lens and body, lengthen lens tube body to achieve the effect of ultra macro distance shooting with the principle of bellows photography. 2、A set macro extension tube total 5 parts constitute, body mount ring, #1 macro adapter ring, #2 macro adapter ring, #3 macro adapter ring, lens mount ring. 3、#1, #2, #3 close-up ring can use it alone, can also used in combination, longer the length of the tube body, the greater the amplification effect. 4、Made of high quality metal material, sturdy, durable and long service life. 5、Professional manufacturing, super macro, manual focusing and metering. 1 x Macro Lens Adapter Ring