First impression This flash feels very solid, and not really much different than the Canon 580exII I had previous to buying my first YN560 II. Quality and feel are just a touch less than the flagship name brand flashes, but not by much. Adjusting power is simple and easy to understand, with a nice LCD screen to confirm settings. Slave and Numbsr I have used the hotshoe, PC, Optical, and Optical with preflash suppression sync numbet quite a lot over the past couple years. Optical slave adobe cs5.5 serial number
works as intended, with good range. I did a shoot in a basketball gym, and to test it out a little, placed one in numberr top of the bleachers on the opposite side of the court. Adobe cs5.5 serial number oracle select into temp table
to be less effective outdoors in the sun.