I have an original promotional brochure that Pentax used with the MX. It explains that mirror lock up was not provided because the MX has an air-damped mirror shock absorption system that reduces the vibrations to a level below what might normally be expected. They provide a vibration comparison chart which suggests that the MX suffers less vibration than "other" SLRs. But they also say that if you watch what happens, you will notice that most of the vibration is caused by the mirror return after the exposure, not as the mirror lifts prior to the exposure.
That's it - make of it what you will - advertising hype or the full story? If you can tell how much vibration there is by eye during a 1/500 exposure, you will be doing better than me! Peter _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
