Yeah, isn�t it great how progress is progressing. All the best! Raimo Personal photography homepage at http://www.uusikaupunki.fi/~raikorho
-----Alkuper�inen viesti----- L�hett�j�: Bob Walkden <[EMAIL PROTECTED]> Vastaanottaja: William Robb <[EMAIL PROTECTED]> P�iv�: 24. marraskuuta 2002 22:40 Aihe: Re[4]: Why I won't be buying an MZ-S >Hi, > >> Cameras don't need 24 buttons and 2 or 3 dials to operate them. >> There really are only 3 things that need to be controlled on a >> camera. >> Count them for yourself, you'll see I speak the truth. > >the way SLRs have developed is quite an interesting study in >usability. Almost all the controls seem to be used to compensate >for automation and have turned into a Heath Robinson (or Rube Goldberg >if you're American) sort of fix to correct for a kludge. > >Autofocus starts by being single-point and easy to use with no manual >operation. Point the camera and it focuses on the thing in the centre >of the viewfinder. Excellent. Progress. Trouble is, there are a lot of >things that are not in the centre of the viewfinder, so you have to add >a lock. You might also add multiple focus points. Great. Now you need >something to select the focus point. Eye control went nowhere, so how >are you going to select it? Let's have another control. So from manual >focusing over an infinite number of focus points (the ground glass), you >have manual selection of a much smaller number of focus points, but now >you've got a heavier, more expensive lens; you need batteries, you've >got 2 ways of doing the same thing so you need an interlock to stop >you doing both at the same time. Great. The obvious thing (to me) with >focal point selection would have been to put it on the lens barrel, >but I suppose it would then have been far too obvious that you'd gone >back to manual focus, but were paying (not just financially) for the >privilege. Perhaps they should remove the manual focus ring from >lenses and just keep the focal point selector on the body. > >Auto-exposure is great too, but it's not perfect. This means you need >to be able to point the camera at something you think is neutral grey, >and lock the AE settings for when you point back at your subject. >Another control, which does what the aperture or shutter speed control >does already, but that's ok - it's one where you used to have 2. >Trouble is, you can't always find neutral grey when you need it, so >you need another control - for exposure compensation. But you can't use >it unless you understand exposure. And if you understand exposure well >enough to use the compensation control, then you don't need it because >you can control exposure manually. > >Then, a single AE mode (program) is no good because you have to be >able to control shutter speed and aperture separately. Jeez, this is >so complicated! Why can't they make a camera with only 3 controls! > >And while they're at it, why don't they get rid of those stupid f >numbers? Bigger opening, bigger number. Half the size? Half the >number! > >--- > > Bob >
