Nissin Flashes > Nissin Mark II 622 ( Sony )

Key features:

* Guide no. of 44 (105mm, ISO 100)
* Swivel up and down, left 90 degrees and right 180 degrees
* Takes 4 AA Alkaline or rechargeable Ni-MH batteries.
* TTL mode (either ETTL/ETTL2 for canon or ITTL for Nikon)
* Manual mode, 6 levels of power from 1:1 to 1:32 power
* Digital slave mode: Optically triggered by TTL flash
* Film slave mode: Optically triggered by normal flash
* Wireless flash mode: Ch1 group A (either Canon or Nikon or Sony)

Pros

* Quick tweaks of flash exposure compensation with new onboard controls
* PCSync ports will be useful for strobists
* Wireless flash triggering with TTL functions is a key trend setter

Cons

* Power selection in manual/slave modes in full stops instead of say half or one-third stops
* Recycling time is still slow at 4-5seconds after a full discharge
* Lack of battery pack input