What does NNF stand for?
NNF stands for "Narrowband Nebular Filter"
How to abbreviate "Narrowband Nebular Filter"?
"Narrowband Nebular Filter" can be abbreviated as NNF
What is the meaning of NNF abbreviation?
The meaning of NNF abbreviation is "Narrowband Nebular Filter"
What does NNF mean?
NNF as abbreviation means "Narrowband Nebular Filter"
