<<< however, reality is that technology has moved in a different direction and it's not econmically feasable for both consistency to be preserved and profit margins maintained.>>> Karl I think we are likely to see more and more "next big things" in photography just as is happening in computers. maintaining backward compatability was something manufacturers used to do to look after thier customers. Now, the customer has almost no choice: maybe they are responding to the "shopping" disease that customers actually enjoy the buying more than the using? My old screw-mount cameras look better and better value. Still working after 25 years. Any trouble, fix it with a screwdriver. A modern camera costs 200 dollars for a tech to open the back and are non-user-serviceable. Anyone have an 800 mm Pentax screw thread lens lurking in thier attic? Bob
