The latest sensors seem to have a 17x13.5mm size as opposed to 18x13.5 which is closer to 5:4 than 4:3.
Adam Maas wrote: > I think you'll find that the 4/3rds system uses a 4:3 sensor, not a 5:4 > sensor. Hence the name. > > While an interesting idea, it solves a problem that doesn't exist > (excessive cost of larger sensors) and never delivered on its other > promise (smaller lenses, which Pentax has cornered the market in) > > -Adam > > > P. J. Alling wrote: > >> Actually the 4/3 system uses a much smaller sensor than the >> Pentax/Sony/Nikon APS-C equivalent sensor cameras use. It's the >> standard promulgated by Kodak/Olympus/Panasonic/Leica. To get the >> equivalent AOV in 35mm terms you multiply focal length by 2 not just by >> 1.5, and the sensor is a 5:4 aspect ratio as opposed to the 35mm/APS-C >> 3:2. I thought this system was a bad idea when it was first described, >> (based on the planned sensor size), and I haven't seen anything to make >> me like it more. Though the build quality on some of the cameras is >> impressive, image quality seems to be what could be charitably described >> as relatively noisy at high ISO, and every view finder I've seen on >> these cameras can only be described as "squinty". >> >> Brendan MacRae wrote: >> >>> --- [EMAIL PROTECTED] wrote: >>> >>> >>> >>>> It was never indicated that the K1D would be full >>>> frame. It will merely be an upgrade from the K10D, >>>> which suits me just fine. >>>> Paul >>>> >>>> >>> Yeah, that's why I said "hypothetical" FF sensor. >>> >>> I'm hoping if they do release a K1D that it is FF as >>> that's the only thing that would really get me excited >>> at this point. I won't buy another 4/3 camera unless >>> it could be shown to be a huge improvement over the >>> current models. >>> >>> -Brendan >>> >>> >>> >>> >>> >>>> -------------- Original message >>>> ---------------------- >>>> From: Brendan MacRae <[EMAIL PROTECTED]> >>>> >>>> >>>>> --- [EMAIL PROTECTED] wrote: >>>>> >>>>> >>>>> >>>>>>> Pentax To Sell Tokyo HQ, Quit Low-Profit Ops >>>>>>> >>>>>>> >>>> To >>>> >>>> >>>>>> Lift Corp Value >>>>>> >>>>>> >>>>>>> TOKYO (Nikkei)--Pentax Corp. plans to sell its >>>>>>> >>>>>>> >>>>>> Tokyo headquarters and >>>>>> >>>>>> >>>>>>> withdraw from less profitable businesses under >>>>>>> >>>>>>> >>>>>> strategies the camera maker >>>>>> >>>>>> >>>>>>> has >>>>>>> crafted to block a takeover bid by optical >>>>>>> >>>>>>> >>>> glass >>>> >>>> >>>>>> manufacturer Hoya Corp. , >>>>>> >>>>>> >>>>>>> The >>>>>>> Nikkei learned Wednesday. >>>>>>> =========== >>>>>>> >>>>>>> I think that gives the news a slightly >>>>>>> >>>>>>> >>>> different >>>> >>>> >>>>>> slant. >>>>>> >>>>>> Yes, that makes a heck of a lot more sense. I >>>>>> >>>>>> >>>> can't >>>> >>>> >>>>>> imagine the 645D would be >>>>>> particularly profitable, and even though I'm >>>>>> disappointed in its demise, I >>>>>> can't say I'm surprised. Of all the pro studio >>>>>> photographers I met while >>>>>> working at Reed's (many dozens, at least), maybe >>>>>> >>>>>> >>>> two >>>> >>>> >>>>>> of them used digital >>>>>> medium format. One only used it because he was >>>>>> close friends with our >>>>>> Hasselblad rep. >>>>>> >>>>>> While digital medium format is a nice idea and >>>>>> >>>>>> >>>> has a >>>> >>>> >>>>>> few image quality >>>>>> benefits, I just don't think it makes sense from >>>>>> >>>>>> >>>> a >>>> >>>> >>>>>> cost point of view. >>>>>> Unfortunately for us Pentaxians, Pentax needs to >>>>>> stick with what will make them >>>>>> money if they want to stay independant (and keep >>>>>> their medical devices business >>>>>> at the same time). >>>>>> >>>>>> This probably means the aperture simulator will >>>>>> never show up again, even in a >>>>>> hypothetical K1D. Pentax needs all the >>>>>> >>>>>> >>>> new-sales >>>> >>>> >>>>>> revenue it can get right now. >>>>>> >>>>>> John >>>>>> >>>>>> >>>>> I wonder if a K1D with it's hypothetical FF sensor >>>>> will even be a reality now. If they are focusing >>>>> >>>>> >>>> on >>>> >>>> >>>>> beginners and advanced amateurs then I doubt a FF >>>>> camera is on the horizion soon, if ever. Perhaps >>>>> >>>>> >>>> when >>>> >>>> >>>>> the switch to FF becomes the norm in DSLR >>>>> manufacturing maybe, but I wonder if Pentax will >>>>> survive that long. This is interesting news >>>>> considering the rumor posted the other day (from >>>>> another forum) about the "new" cameras coming out >>>>> >>>>> >>>> in >>>> >>>> >>>>> the fall. >>>>> >>>>> If they have not had an R&D program running >>>>> >>>>> >>>> parallel >>>> >>>> >>>>> with the development of the 645D for a FF DSLR >>>>> >>>>> >>>> then I >>>> >>>> >>>>> would call this a big blunder on their part. A >>>>> >>>>> >>>> full >>>> >>>> >>>>> frame DSLR would sell in huge numbers vs. a MF >>>>> >>>>> >>>> digicam >>>> >>>> >>>>> anyday...even if it were a piece of crap. I would >>>>> >>>>> >>>> buy >>>> >>>> >>>>> one today as I'm learning to not much like the 4/3 >>>>> system. I just don't see the quality in the >>>>> >>>>> >>>> smaller >>>> >>>> >>>>> sensor even if I enjoy using the K10D. So, I would >>>>> dump it in a hot minute for a FF camera that I can >>>>> >>>>> >>>> use >>>> >>>> >>>>> all of my existing lenses on. >>>>> >>>>> At this point, I'm really wondering what is going >>>>> >>>>> >>>> on >>>> >>>> >>>>> at Pentax. It may very well be a while before the >>>>> reality of what is happening will be known for >>>>> >>>>> >>>> sure. >>>> >>>> >>>>> -Brendan >>>>> >>>>> >>>>> __________________________________________________ >>>>> Do You Yahoo!? >>>>> Tired of spam? Yahoo! Mail has the best spam >>>>> >>>>> >>>> protection around >>>> >>>> >>>>> http://mail.yahoo.com >>>>> >>>>> -- >>>>> PDML Pentax-Discuss Mail List >>>>> [email protected] >>>>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>>>> >>>>> >>>> -- >>>> PDML Pentax-Discuss Mail List >>>> [email protected] >>>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>>> >>>> >>>> >>> >>> ____________________________________________________________________________________ >>> Don't pick lemons. >>> See all the new 2007 cars at Yahoo! Autos. >>> http://autos.yahoo.com/new_cars.html >>> >>> >>> >> > > > -- Entropy Seminar: The results of a five yeer studee ntu the sekend lw uf thurmodynamiks aand itz inevibl fxt hon shewb rt nslpn raq liot. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
