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Showing posts from February, 2013

How to stop camera lens fog

How to stop camera lens fog
Astrophotography, Landscape Astrophotography, and just plain old Night Shooting are difficult enough.  Using the right lens, setting the ISO correctly and getting the exposure time correct are all issues that plague photographers shooting at night (and other times of day).  
Never mind the fact that fact that "playing" in the dark has several dangers, from wild animals, to wilder people, and even police that thing you're up to no good.  Mother Nature figured she'd have a go at you also. If you have ever gone out shooting night scenes, wide-field astrophotography, or landscape astrophotography, you've probably experienced the dreaded lens fog.
What causes lens fog
The easy explanation To explain this issue in simple terms, your camera's lens will fog most times when the lens is colder than the air surrounding the lens.
The more in depth explanation When the air near the lens is cooled by the lens, the relative humidity of the surrounding a…