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Apr 13, 2017 at 12:44 history edited CommunityBot
replaced http://photo.stackexchange.com/ with https://photo.stackexchange.com/
Dec 12, 2012 at 2:10 comment added ISOTropic Pixel All plastic or plastic/metal combination between the ball and socket would be bad. This dissimilar situation will not allow precise movement between the two surfaces. An all metal, preferably a high-quality alloy of some sort, that naturally resists temperature extremes. Like the post about using lubricants, don't just use WD-40, there are lubricants designed for cold and hot temps. Magnesium alloy is one that comes to mind which manufacturers like to promote as a better material.
Dec 1, 2012 at 15:35 comment added Itai Could you be more specific about materials? What should I look for which would be better in the cold? Most manufacturers announce with pride the materials of their ball-head!
Dec 1, 2012 at 15:16 history answered ISOTropic Pixel CC BY-SA 3.0