Here bottom is at 112m!! just do a test in Harbord in Cherbourg (but weather was bad and winy!!) i look at little fish (5/7 cm) by 15m deep can see them one by one!! Great resolution!!
I go on deep wreck next week will see what can it give!!
There is an new soft version for SM3000 (just get it today)
For transducer i get TM265 with low and higth freqencies.
Sorry for my english!