7D - tonights Moon

Started Dec 29, 2009 | Discussions thread
shooter986 Regular Member • Posts: 146
Re: Two coats of Vaseline on the front element

I am anxious to try a moon shot with my 300mm f2.8 IS Canon 2x and 1.4x stacked - waiting for a clear night...

Do I have to use Vaseline brand or will any petroleum jelly work?

To clean it off is gasoline OK or is kerosene better?

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