Archived posting to the Leica Users Group, 2015/12/09
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hey if the image looks good who cares right? Chris Williams www.zoeicaimages.net 504-231-6261 > On Dec 9, 2015, at 1:50 PM, Howard Ritter <hlritter at bex.net> wrote: > > Some informal testing that I did a couple of years ago photographing the > same scene with several cameras whose sensor sizes ranged from 4 x 6 mm to > FF, and their zooms all set to the same actual FL, convinced me that > contemporary sensors fall far short of capturing all the information > present in the optical image projected onto them, at least in the central > zones. Every time I looked at a pair of images on-screen presented at the > same image scale, there came a point in progressive enlargement where I > would see more native resolution in the image from the smaller sensor. > This continued, as I recall, until somewhere between the 1?-class 20-MPx > sensor and the 4 x 6-mm, 12-MPx P&S sensor. Since the smallest sensor, > with 12 MPx, is the equivalent of a small section (1/25) of a FF sensor > with 300 MPx, I concluded that it would take a FF sensor of well over 100 > MPx to match the native resolution of even the zoom on the P&S camera > (though, to be fair, I think where high-end lenses surpass mass-market > ones is in the zones well off-axis, and at wide apertures). > > So I?m not surprised that you?re not seeing a difference between the > apo-asph Summicron and the regular version; FF sensors of 24 MPx are > simply not capable of showing even the full resolution of the standard > lens, let alone any improvement on it. > > And this brings up the possibilities for dispensing with zooms and > interchangeable lenses altogether for general purposes. If a camera with a > fixed WA lens had a FF 200-MPx sensor and a digital zoom function, and an > EVF, it would have the same capabilities as a big FF DSLR with a 24-120 > zoom?even with a linear 1/5 crop, equivalent to a 5x zoom, it would still > give an 8-MPx image file, quite adequate for most purposes. Think Leica Q > with a denser sensor and a zoom lever. > > ?howard > > >> On Dec 9, 2015, at 1:17 PM, chris williams <zoeica at mac.com> wrote: >> >> Right, no way I would ever see the true resolving power of it when I'm >> usually shooting wide open at slow speeds. >> >> >> Chris Williams >> www.zoeicaimages.net >> 504-231-6261 >> >> >>> On Dec 9, 2015, at 1:15 PM, lluisripollphotography >>> <lluisripollphotography at gmail.com> wrote: >>> >>> Chris, >>> >>> For my style I agree, I?ve shoot some pics with the one of Jay when he >>> has visited Barcelona, I think it is a very good lens if you want to >>> perfect pictures, big enlargements with tripod >>> >>> Lluis >>> >>> >>> >>> >>>> El 9 des 2015, a les 19:10, chris williams <zoeica at mac.com> va >>>> escriure: >>>> >>>> I dunno I tested this lens and I don't see a difference between it and >>>> the 50/2 Summicron. >>>> >>>> Chris Williams >>>> www.zoeicaimages.net >>>> 504-231-6261 >>>> >>>> >>>>> On Dec 9, 2015, at 9:35 AM, Frank Filippone <red735i at verizon.net> >>>>> wrote: >>>>> >>>>> $6,000 >>>>> >>>>> >>>>> >>>>> They have 3 in stock... >>>>> >>>>> >>>>> >>>>> http://www.overstock.com/Electronics/Leica-APO-Summicron-M-50mm-f-2.0-ASPH-L >>>>> ens/10701431/product.html?searchidx=5 >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> Frank Filippone >>>>> >>>>> Red735i at verizon.net >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> 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 >> >> _______________________________________________ >> 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