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  1. #31
    naturephoto1's Avatar
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    Quote Originally Posted by Ole View Post
    Oh - about "holding power".

    I don't think there is any defined standard for reporting the holding power. I would use those numbers only as an indication of the relative strength of different heads from one manufacturer. Comparing manufacturer "A"'s heads to "B"'s on that basis has very doubtful value.
    Hi Sandy,

    Ole is correct. Different companies use different methods of comparing the capabilities of their own heads. The problem is trying to understand what was/is used by the different makers. I know the way that Markins tests its heads is to suspend a weight. Markins America has some Videos of their test:

    http://www.markinsamerica.com/MA5/demo.php

    There are articles that have tested the heads for strength as well as forums elsewhere.

    Here is the Nikonians review of the Markins heads including the new Q3 in comparison with other heads including those by Arca Swiss, Kirk, Really Right Stuff, Manfrotto (Bogen), Linhof, Novoflex, and FLM.

    http://www.nikonians.org/html/resour...markins_1.html

    Rich
    Richard A. Nelridge
    http://www.nelridge.com

  2. #32

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    Quote Originally Posted by sanking View Post
    Well, for better or worse, and on the general advice of Ole re: Giotto heads, I am going with this one. Get the head, four Q/R plates and shipping for abo,ut $160.


    http://www.bhphotovideo.com/bnh/cont...goryNavigation

    Sandy King
    I received the Giotto ball head today, with a number of Q/R plates. Although it is very modestly priced compared to a number of other ball heads of similar size and strength I am at this point very pleased with the quality in terms of finish and smoothness of operation. I may have more to say after using it in the field for a few months.

    Thanks again to all who offered advice and opinion on this.

    Sandy King

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