I demoed a NiSi filter kit for a little after I purchased my LEE setup and I was very impressed with its premium build quality and glass filters. The leather case that housed it all was one of the nicest out, but it was a little on the heavy side and not very functional. Well, now it looks like my small gripes about their system have been addressed with the new NiSi V6 Filter Kit III.
NiSi is also including the exceptional Natural Night filter in their Advanced and Professional kit, which is one of my favorite filters for making the night sky pop. It does a very good job at reducing or eliminating light pollution for those of us that do not have access to completely dark skies. You can use this filter with any 100 x 100mm or 150 x 150mm filters holder though so no need to switch filter systems unless you want to try something new.
V6 vs V5 Pro
The V6 features the following improvements over the V5 Pro:
Starter Kit: B&H Photo / Amazon / Adorama
・ Medium GND8 100x150mm
・ ND1000 100x100mm
Starter Kit+: B&H Photo / Amazon / Adorama
・ Medium GND8 100x150mm
・ Reverse GND8 100x150mm
・ ND64 100x100mm
・ ND1000 100x100mm
Advanced Kit: B&H Photo / Amazon / Adorama
・ Medium GND8 100x150mm
・ Reverse GND8 100x150mm
・ ND8 100x100mm
・ ND64 100x100mm
・ ND1000 100x100mm
・ Natural Night 100x100mm
Professional Kit: B&H Photo / Amazon / Adorama
・ Soft GND8 100x150mm
・ Medium GND8 100x150mm
・ Reverse GND8 100x150mm
・ ND8 100x100mm
・ ND64 100x100mm
・ ND1000 100x100mm
・ ND32000 100x100mm
・ Natural Night 100x100mm