A broken bayonet should not be the end of the universe as we know it. I've changed a few broken Nikon bayonets for customers. It's a 30 minutes job, and a plastic bayonet costs about $ 15.
-- MaritimTim http://maritimtim.blogspot.com/ 2010/11/20 Adam Maas <a...@mawz.ca>: > On Sat, Nov 20, 2010 at 12:41 AM, Boris Liberman <bori...@gmail.com> wrote: >> On 11/19/2010 7:39 PM, Adam Maas wrote: >>> >>> There's only two issues with plastic bayonets. >>> >>> 1. They are far more likely to fail if any off-axis force is applied >>> to the lens. I've seen quite a number of these, usually with kit >>> zooms. This is not likely to be an issue with smaller primes like the >>> DA L 35 though as there's much less of a moment arm available to put >>> force on the bayonet lugs if the lens gets knocked. >>> >>> 2. They do wear quicker than a metal bayonet. VERY unlikely to be a >>> real-world issue unless you change lenses multiple times per day, >>> every day, for 10+ years. It's only under very heavy use that bayonet >>> wear becomes an issue. >>> >>> -Adam >> >> Adam, isn't it then a logical conclusion that if one exercises minimal >> caution during lens change and does not change their lenses every 5 minutes, >> plastic bayonets are as good as the metal ones? >> >> Boris > > Yes for compact lenses, not so much for physically longer lenses. It's > not an issue for something like the DA L 35, but even a DA L 18-55 is > long enough that a sharp knock can break a bayonet lug (seen this on a > number of similarly sized lenses to the DA L 18-55). Wear isn't an > issue in any realistic circumstance. > > > -Adam > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
