Archived posting to the Leica Users Group, 2015/12/09
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Right! And this is why the image looks as good with the regular Summicron 50. ?howard > On Dec 9, 2015, at 1:55 PM, chris williams <zoeica at mac.com> wrote: > > 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 > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information