Archived posting to the Leica Users Group, 2014/10/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Yep, that is a so called APS sized sensor with all the benefits and shortcomings which go along with it :) Frank D On 11 Oct, 2014, at 18:04, Herbert Kanner <kanner at acm.org> wrote: > I just checked the specs of my X100S, which has a 23.6 x 15.6 mm sensor > and a focal length of 23 mm. It has an f/2 lens which stops down to f/16. > > Unfortunately, it is now out of my hands for warrantee repair. > > Herbert Kanner > kanner at acm.org > 650-326-8204 > > Question authority and the authorities will question you. > > > > > On Oct 10, 2014, at 9:52 PM, Frank Dernie <Frank.Dernie at btinternet.com> > wrote: > >> The depth of field and onset of diffraction limit for sharpness is >> completely different in small sensor cameras than those of 35mm. Very >> few, if any, of these small sensor cameras stop down less than f8 since >> the loss of sharpness due to diffraction is significant and the increase >> in DoF unnecessary. >> They didn't think of the type of thing you were trying to do, I suppose, >> or making such a small aperture accurate (f16 on a 5mm fl lens is 0.012") >> is not economically feasible. >> >> Frank D. >> >> On 10 Oct, 2014, at 23:34, Herbert Kanner <kanner at acm.org> wrote: >> >>> I just ran into a totally unexpected limitation of my Panasonic DMC-LX5, >>> A camera which retailed new for $400, or with Leica brand, cosmetics, >>> and firmware, $800. I was trying to photograph a small decorative >>> waterfall, set the shutter to 1/15 to fuzz up the water, and picked the >>> lowest ISO available: ISO 80. Then I discovered that the camera simply >>> would not stop down below f/8, giving an impossible over exposure. Would >>> I have bought the camera had I known this?I wonder. >>> >>> I did get it at half the new price, so I suppose it?s better than >>> anything I could get new for $200. >>> >>> Herbert Kanner >>> kanner at acm.org >>> 650-326-8204 >>> >>> Question authority and the authorities will question you. >>> >>> >>> >>> >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information