meke mk-14ext-n i-ttl macro ring flash compatible with nikon d7100 d7000 d5200 d5100 d5000 d3500 d3200 d3100 d90 d300s d600 with led af assist lamp meke <br> <b>specifications:</b> <br>max sync speed:1/320s<br>type: close-up <br><br>guide no.: 14/46(lso100,in meter/feet)<br> <br>effective distance: approx,20cm-5m<br><br>flash coverage: 80°degrees in either directio<br><br>firing configuration: two flash tubes can be fired together or single<br><br>flash ratio control: 1:8~1:1 ~8 in 1/2—stop increments<br><br>flash exposure compensation: manual,fbe:ln 1/3-stop increments<br><br>recycling timer: approx.0.1~5sec.<br><br> <b>package includes:</b>: <br>mk-14ext led marco ttl ring flash x1<br>40.5mm 52mm 55mm 58mm 62mm 67mm 72mm 77mm adapter ring x1<br>leather carrying bag x1<br>manual x1<br>warranty card x1<br>