With the cheapo Meikon housing (dry port version), you can use much more larger (PRO) lens as well, in fact I was using a 12-40 PRO.
This is the list:
Olympus M.Zuiko Digital ED 12-50mm 1:3.5-6.3 EZ
Olympus M.Zuiko Digital ED 12-40mm 1:2.8 PRO
Olympus M.Zuiko Digital ED 14-150mm F4-5.6 II
Olympus M.Zuiko Digital ED 60mm 1:2.8 Macro
Olympus E-M5 II 40m/130ft Meikon Underwater Camera Housing with Dry dome port V.4
This is the list:
Olympus M.Zuiko Digital ED 12-50mm 1:3.5-6.3 EZ
Olympus M.Zuiko Digital ED 12-40mm 1:2.8 PRO
Olympus M.Zuiko Digital ED 14-150mm F4-5.6 II
Olympus M.Zuiko Digital ED 60mm 1:2.8 Macro
Olympus E-M5 II 40m/130ft Meikon Underwater Camera Housing with Dry dome port V.4