Originally Posted by
odds
The HS is similar to HN (screw in) in the sense that it attaches to the filter threads, but there is a manual quick release button to bypass the rotations required by the HN type. I only have the HS-9.
The HKs are slide on hoods for Nikon's long focal length lenses (the big guns)
You forgot to mention the HR which are screw in collapsible rubber hoods. Try searching for rubber lens hood at Amazon.
Best of luck up there, you never know weather conditions in advance, and even if perfect, Aurora may not show (tounge in cheek, I think she's touring the US these days).
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Odd S.