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Re: slr versus compact
With MOS type chips (like the Panasonic LiveMOS sensor used in the E-330, power consumption is quite low - especially compared to CCDs. I haven't noticed any power consumption issues with the E-330 when using live view fairly frequently.
There were two common manual focus screen aids; the split screen, where you lined up two halves of any vertical detail - an experience close to that of using a rangefinder camera and, secondly, a microprism area - the microprisms shimmer until focus is found and they then almost entirely disappear. Some focus screens had a split screen in the centre, surrounded by a microprism ring. Miranda uniquely produced a dual microprism focus screen, with a central circle of microprisms surrounded by a ring of microprisms and the circular boundary between the two acted as a 360 degree split image focus aid - very clever (but not enough to save the company, alas).
My guess is that having either of these aids would have got in the way of an AF sensor and, in any case, they were largely made redundant by AF.
Ian
Originally posted by coupekid
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You guys mention auto focus, (now excuse my ignorance, as I havent used a manual focus SLRs that often) I seem to remember that the old manual focus non digi slrs used to have a split circle, in which you could line up the verticles to ensure the subject was in focus. Why has that dissapeared from the digitals?
My guess is that having either of these aids would have got in the way of an AF sensor and, in any case, they were largely made redundant by AF.
Ian
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