Archived posting to the Leica Users Group, 2012/11/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The XA was my first camera out of school. I still have it. The rewind crank broke so a few years ago, I bought another one, just because As I said earlier, I think the RX-1 is too little, too late, but if they make a digital full frame XA, I will buy it, for up to 2012 $1500. On Sat, Nov 24, 2012 at 9:03 AM, Howard Ritter <hlritter at bex.net> wrote: > Reading early releases on Sony's forthcoming ultrapremium-priced non-SLR > non-interchangeable, non-zoom-lens finderless full-frame digicam, the RX1, > I couldn't help but think about its nearest film equivalent, and one of my > favorite past cameras, the little Oly XA. I'll bet a lot of LUGgers past a > certain age used this little gem. How many of you still have yours? Use it? > When I think about it, it just annoys me that this new, smallest FF digicam > is twice the depth and box volume of the XA, and not pocketable. And that > the smallest "serious" digicam, the Sony RX100, is the same size as the XA > and yet can't manage a sensor that's more than one-third the dimensions of > the XA's frame. > > [For those too young to have seen one, I'll describe it as the size of a > pack of cigarettes (remember that antiquated comparison?), rugged plastic > construction, sliding door covering the integral 35mm f/2.8 Zuiko lens, > rangefinder focusing with a lever on the bottom of the lens, aperture > selected with a vertically sliding tab on the front of the body, and > aperture-priority autoexposure?with the shutter speed indicated by a needle > in the viewfinder. But you had to set the ASA yourself. Powered by a watch > battery in a recess in the bottom, and it takes a screw-on flash unit on > one end if you need it. And it took full-frame 35mm pictures. The camera's > almost exactly the same size as my Sony RX100, which has a collapsible > pancake 3x zoom lens and is a few mm shorter?but which has a sensor that's > about 35% of the linear dimensions of a 35mm frame and about 14% of the > area. I started wondering where mine was and when I had used it last?must > have been 10 years. I got it over 30 years ago when I was stationed with > the USAF in Wiesbaden, Germany, and so many of my fellow members of the > Wiesbaden American Ski Club got one too that it became the "official" trip > camera of WASKI. Then, I came across it yesterday quite by accident while > searching for something else somewhere entirely different. Serendipity. No > film in it, unfortunately, but the battery still powers it up. So it's off > to Walgreen's we go...] > > So I'm thinking, if anyone other than LUGgers would be willing to accept a > non-zoom, integral-lens manual-focus camera with no built-in flash, in > return for maximum pocketability, how small could a FF digicam be? Why > can't it be the size of the XA and even include a RF? Obviously it would > need a lot of electronics that the XA doesn't, but then the XA has all that > space in the film cassette and takeup-reel chambers for circuitry and a big > battery. The need to have light rays strike the sensor at as steep an angle > as possible apparently imposes certain constraints on lens design, and > therefore size, but then a FF CMOS sensor is so sensitive that you could > obviously settle for an f/4 lens, as is the case with FF DLSRs with typical > zooms, and maybe correct for the light fall-off far from the axis in > software, which should loosen the constraints. The Sony RX1 is a step in > this direction but the body is about 1 cm larger in height and width than > the RX100, and the big lens gives the camera twice the depth?without being > interchangeable, or a zoom, or f/1.4. > > I'm just sayin'. > > ?howard > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > -- // richard <http://www.richardmanphoto.com>