Description: The Macro Ring Flash can produce a ring of light that reduces shadow which is excellent for taking macro shots. The Flash tube is mounted in front of your lens producing light that wrap around the objects. Includes 7 ring mounts (52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm) for different lenses to enable flashlight to couple with lens. Flash compatible on cameras: for Nikon: D7000, D5000, D5100, D3200,D3100, D3000, D3 series, D800,D700, D2 series, D300 series, D200, D90, D80s D70 series, D60, D50, D40 series, F6 /for Nikon COOLPIX: COOLPIX8800, COOLPIX8400, COOLPIX P5000, COOLPIX P5100,COOLPIX P6000 This LED Macro Ring Flash for Nikon is the perfect choice for the photographer who requires shadow free illumination. Specification: Material:Plastic Max Sync Speed:1/320s Type: Close-up Guide No.: 14/46(lSO100,in meter/feet) Effective Distance: Approx,20cm-5m Color temperature: 5500K Flash coverage: 80 °degrees in either direction Firing configuration: Two flash tubes can be fired together or single Flash ratio control: 1:8~1:1 ~8 in 1/2-stop increments Flash exposure compensation: Manual,FBE:lN 1/3-stop increments Flash exposure confirmation: Flash exposure confirmation lamp lights Focusing lamp converage: Approx.40 °top and bottom and 45 ° left and rights/On time:Approx: 20sec. Recycling timer: Approx.0.1~5sec. Supply battery: 4xAA/LR6 alkaline batteries (The camera and batteries are not included) Battery life: Approx.100~800 flashes(with AA/LR6 alkaline batteries) External power source: Compact battery pack Canon CP-E4 Package Includes: 1PiecexMK-14EXT LED Marco TTL Ring Flash for NIKON 7PiecexRing mounts (52mm 55mm 58mm 62mm 67mm 72mm 77mm ) 1PiecexLeather carrying bag 1PiecexChinese and English Manual 1PiecexWarranty Card