I don't think they do an Iphone one for the Combro as yet. Went through this about 4 months back ended up buying a v cheap Huddle 7" tablet - which is android of the bay. Bigger screen and makes a really good set up with the combro and you can view more easily. Email results back to your computer via WiFi etc.
FTP900 +Sightron S111 10-50 x 55
AA Pro Target in FWB FP70 stock + MTC Mamba lite
Daystate Airwolf + Bushnell Elite 6500
" life is about the memories we hold and not the things that we own"