Archived posting to the Leica Users Group, 2007/10/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Don, Molten and spun igneous rock was used over a hundred years ago . It was called "Rock Wool" Asbestos was found to be much stronger, but there was a bit of a problem.! Jerry Don Dory wrote: > Jerry, > Gitzo has started using Basalt fibers in an intermediate priced line of > tripods. Halfway between aluminum and carbon fiber in weight and price. > Basalt does damp vibrations and will not freeze your fingers in the cold > like aluminum. I will second the opinion that use a light head for Leica > is > more than adequate. For example, the Leica large head... > > On 10/28/07, Jerry Lehrer <glehrer@san.rr.com> wrote: > >> Luis' >> >> Basalt? What are you talking about? How does basalt help? >> >> Jerry >> >> >> >> Luis Miguel Casta?eda Navas wrote: >> >>> On 28/10/2007, at 18:23, Sonny Carter wrote: >>> >>> >>>>> Actually, I was curious about the vibration and damping >>>>> characteristics of >>>>> wood tripods as compared to similarly sized Carbon Fiber or Aluminium >>>>> models. >>>>> >>>>> I can't compare them, but one point Luis brought out is important. My >>>>> >>>> wooden tripod is very stable at full extension, and that's important to >>>> me,as I'm 6' 4" tall. >>>> >>> Wood is usually the most stable and vibration-free of similar sized >>> tripods unless you're going to ultra heavy and big aluminium tripods >>> made for TV cameras. Is not a casuality that they're used for >>> theodolites in field measurement where those characteristics are >>> critical (mind you those only have 1 extension key if any). >>> >>> Once the wood is correctly treated (even all the holes) and the metals >>> used are well thought there is no problem with water or mud and there >>> is no tubes which are going to be filled of water if you shoot into a >>> stream, for example. Indeed, you'll have to care the wood from time to >>> time. >>> >>> Vibrations and other similar stuff depends on the unit / head / camera >>> combo more than on a specific model, so you won't know until you can >>> test it for yourself. The harmonic vibrations might depend of many >>> factors, sometimes they could be easily removed with a little piece of >>> cork, or might be a nightmare, but said this, I won't care unless I >>> can notice them. >>> >>> On the other hand, a well designed tripod will deliver strong >>> performance no matter what they used to build it, but carbon is very >>> rigid for its weight, so theoretically you can make a taller tripod >>> with the same stability than another one made out aluminium for >>> example, but they are a magnet for lightning if you need to care about >>> this. This problem is avoided with basalt which is on pair to carbon >>> in its characteristics. >>> >>> >>> >>> _ >>> >> _