Hi again

Seen the above flash on Ebay (Australia) for AU$400.

The other is a HVL-F42AM Flash for about the same price.

Both are brand new.

My question is...would the HVL-F56AM suitable for the camera that I have? When I mean suitable, meaning the right 'tool' to match my A300.

Since it's a step-up model from the HVL-F42AM (I assume it is), would this be better?

Waiting for my Tamron 17-50mm........ Can't wait to try it.

Not sure what my next lens should be......any advise?

Thank you.