Dew heaters
I fitted my new scope with them and it has been so far
a very good investment.
I'm looking forward to this winter also, it's better than swarming mozzies.
A good scarf, beanie and a few layers of clothes, some hot coffee or
nice bottle of port... it's all you need. Mind you the old Argo gets hard
to look at after a few ports.
Cheers