7D - tonights Moon

Started Dec 29, 2009 | Discussions thread
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liquidstone Veteran Member • Posts: 9,951
Re: Two coats of Vaseline on the front element

shooter986 wrote:

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...

That magical glass works very well with Vaseline too!

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

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

The Vaseline coats are almost a permanent fixture on my 400 2.8 IS..... no first hand experience on good cleaners, nor on other brands of petroleum jelly.

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