Stan, thanks so much for taking the time to let me know this, and for giving such a detailed description - I love learning and your knowledge is invaluable to me. I had no clue - this was an extra that came with a lens I got on Ebay years ago. It's been hanging out in my photo case since. I'll update the photos' comments online. Interested, by the way?
rg2 On 8/26/07, Stan Halpin <[EMAIL PROTECTED]> wrote: > Minor correction on your terminology - > What you have is not a telephoto lens; rather, you have a tele- > converter and three extension tubes. The tele-converter, which has > one or more lens elements as part of its design, is added between a > lens and the camera body, the the extra distance from the body > serving to narrow the lens effective field of view (i.e., to make > your lens act like a longer (telephoto) lens, and the extra lens > element(s) acting to maintain a proper focusing of the image on the > focal plane (film or sensor). The extension tubes push the lens away > from the body and focal plane, also having the effect of a narrower > field of view, hence a magnified image. Without the compensating lens > element(s), lenses used with extension tubes can no longer focus > beyond a relatively short distance (depending on the length of the > tube.) > > stan > > On Aug 26, 2007, at 12:09 PM, Rebekah wrote: > > > Hey guys > > > > I've got a telephoto lens and a couple of extenders or extensions (?) > > for it that's for a screw mount camera. On the lens it says "APS AUTO > > TELEPLUS 3X", and it has a little plastic cap on one end. It comes in > > a nice little leather case that says "Kenko" and has three extenders > > that come in a leather case that says "AOCO" on it. Since I know > > nothing about these objects, here are some photos: > > > > http://picasaweb.google.com/rg2pdml/PhotoEquip?authkey=ZkVsDjm7WWs > > > > The lens it self seems to be in near-perfect condition - there's some > > dust on it but I honestly can't find any scratches. There are a few > > scrapes on the outside, which is in one of the pictures. The > > extensions have some slight scrapes but nothing I was able to > > photograph and nothing I'd consider significant. The leather cases > > seem to be in great condition as well, with some wearing of the > > leather on some of the edges. I've done my best to show them in the > > pictures. I'm looking to trade for a 49 mm linear polarizing filter, > > if anyone has an extra one. > > > > I also have a hood for a 1:3.5 35mm lens for some reason. The last > > few photos online are of this, and it's case, which is really very > > nice. I'm willing to trade for that as well, although I have no clue > > as to it's value - I suspect little, unless someone adores those > > little leather cases. > > > > rg2 > > > > P.S. If for some reason you missed it, all the pictures with a ruler > > are shown with inches. ;) > > > > -- > > PDML Pentax-Discuss Mail List > > PDML@pdml.net > > http://pdml.net/mailman/listinfo/pdml_pdml.net > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
