From That’s Nerdalicious!:The Canon camera lens thermos was only available for a short time, but Nikon has jumped in there to fill the void. Their awesome camera lens thermos is now available for purchase (assuming you can get on the overloaded product page that is).
Product Page ($23 via NPR via TWBE)
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I have the p90 and cannot fault it in anyway. I use both the coolpix P90 and also a canon DSLR…the zoom on the Nikon is UNBELIEVABLE! I absolutely love it.
If you want to see some of the photos this camera is capable of taking, feel free to visit my page and view a couple of my videos. I cant speak for the other cameras that you were asking about, but I can highly recommend the P90.