Looks like a Nikon guy in pic 7. (Black lens) I grew up at the southernmost tip and in the 60's and 70's the lake looked like that around here. Now you seldom see any ice on the lake.
Jeez...talking about winter! I'll take Italy's climate everyday over that I like the composition and mood in #1 and 2. Btw that ice detail in #5 reminded me somehow of pasta Aaaah now i'm hungy but it's only 5 p.m.