Without even taking a lens apart, I doubt the steel bit. Aluminum, brass, plastic, yes. Steel for actuator arms, cams, maybe gears, and the like. But the body made of steel? Not likely, heavy, hard to machine, and prone to corrosion. Not a real good engineering choice.
Ciao, Graywolf http://pages.prodigy.net/graywolfphoto ----- Original Message ----- From: "KT Takeshita" <[EMAIL PROTECTED]> To: "Pentax Discuss" <[EMAIL PROTECTED]> Sent: Saturday, June 07, 2003 7:28 PM Subject: Re: *ist D revisited > On 03.6.7 6:22 PM, "P�l Jensen" <[EMAIL PROTECTED]> wrote: > > > But it is only the surface cover. The lens barrel on the 77 and 31 Limited are > > made of steel like most FA* lenses. > > Oh, I did not know that. I was told by Pentax that Ltd lenses are made of > aluminum (and glass too :-). > They have to carve a helicoid or two and I did not think steel was used. > Cheers, > > ken >
