You built what I bought and was trying to describe, except that yours is custom sized for the job! Tom Schofield --- David Young <telyt@xxxxxxxxx> wrote: > Doug Herr wrote: > > > >Lay the lens on its side with the dent toward the > ground, supporting the > >lens as required and supporting the hood with > wooden blocks except under > >the dent. Using another block of wood and a > non-metallic bludger, tap the > >dent out. Ideally the blocks of wood will be > shaped to exactly conform to > >the desired (pre-dented) shape of the hood. > > > >I've done this with non-ideal blocks of wood on the > threads between the > >sections of my 400mm f/6.8 and it works well enough > that they fit > >perfectly. The hood will likely require less force > to straighten than the > >Telyt did, and you might find that once it's in > approximately correct > >shape, finger pressure will do for fine > adjustments. > > > I received numerous suggestions to buy a neat device > for > straightening filter rings, but [a] I need the lens > for tomorrow's > Pond Hockey tournament & couldn't get one fast > enough and [b] I'm too > cheap. So, here's what I did. > > I took the largest hole saw that I had, and cut a > hole in a scrap > piece of 2x4" wood and then cut the piece in half. > The hole was not > quite large enough, so I used a sanding drum on a > Dremel tool to make > it somewhat larger - virtually the size of the > outside of the lens > hood. Then, to make it all even, I used a "flapper" > sanding disc in > a drill press, to evenly sand out the inside. > > While I was at it, I used the two sanding methods to > round off the > end of a stick of scrap plywood. > > The "tools of the trade" can be seen, > here: http://www3.telus.net/~telyt/dent.htm > > To cure the lens hood, I placed either the rounded > end of my stick or > the core, from the hole saw, over the dented bits, > and then carefully > "thumped" on them with a small Jeweler's hammer, I > happen to > own. Careful "thumping" with any small ball-peen > hammer should do it. > > It took much longer to build the wooden blocks than > it did to effect > the repair. > > The result? The lens shade collapses as it did > originally, without > binding. There is a small mark in the paint, on the > exterior, where > the lens hit the ice, but reshaping the hood did not > cause any of the > paint to flake off. So far... so good! > > Thanks, Doug, for the suggestion. > > Cheers! > --- > > David Young, > Logan Lake, CANADA > > Wildlife Photographs: http://www.telyt.com/ > Personal Web-pages: http://www3.telus.net/~telyt > > > > > ------ > Unsubscribe or change to/from Digest Mode at: > http://www3.telus.net/~telyt/lrflex.htm > Archives are at: > //www.freelists.org/archives/leicareflex/ > ____________________________________________________________________________________ Don't pick lemons. See all the new 2007 cars at Yahoo! Autos. http://autos.yahoo.com/new_cars.html ------ Unsubscribe or change to/from Digest Mode at: http://www3.telus.net/~telyt/lrflex.htm Archives are at: //www.freelists.org/archives/leicareflex/