Archived posting to the Leica Users Group, 2015/05/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The power of the Bayerless Black and white has been drilled into me almost since birth. I'd not even call that a spec just a thing I'd like to have my hands on using. On 5/6/15 1:55 PM, "Frank Filippone" <red735i at verizon.net> wrote: > Precisely my point... look at the images..... > > I have an M9. I looked at the images created in the comparison shots. The > M9 images, when converted to B+W were of significantly less quality in > resolution than the M246. > OTOH, we are comparing apples ( 16MP) and oranges (24MP). Pixels, do NOT > grow on trees. More pixels does = better fine display quality, all other > things being equal... same lens. > > OTOH, if someone wants to sell their MM and go buy a M246, I am a willing > buyer......... of the inferior. > > I have no intention of spending $7500 on a camera. > > He says irreverently.. just like he said when he bought his M8, and M9 , > and > A7..... > > Frank Filippone > Red735i at verizon.net > > > -----Original Message----- > From: LUG [mailto:lug-bounces+red735i=verizon.net at leica-users.org] On > Behalf > Of Mark Rabiner > Sent: Wednesday, May 06, 2015 10:41 AM > To: Leica Users Group > Subject: Re: [Leica] New M(246) Outputs 12 bit Files > > I agree Frank, tahtwhat whatever bits or other specs if the camera is > making > better images than the previous with supposedly better specs then its not > the specs (bits) we should be looking at but the images the camera makes > and > our own bank accounts to figure out how to get it! > > > On 5/6/15 1:17 PM, "Frank Filippone" <red735i at verizon.net> wrote: > >> Mark and others.... >> >> The issue of 12 vs 14 bits is not straight forward..... Yes, the >> difference in a straight line way is 4 times the data, but really that >> means there is 4 times the GRADATION in the data. More gradation = >> more smooth transitions between different tones. >> >> Assuming the saturation point ( top value) and lowest point ( pure >> black, as in more black is just not possible) remain fixed. Then there >> could be a bit of non linear-ness to the ADC... There may be more >> values in the bright areas, and less in the dark areas.... still >> achieving the same dynamic range,. But 12 bits and 14 bits could have >> different non-linear transfer functions.... Which, in the context of >> photography, may not be at all easy to see with the eyes. >> >> Let me stop here... I spent the better part of my working career in >> understanding the intricacies of ADC products. If I go any further in the >> explanation, I will lose almost everyone. Suffice it to say that what > we >> do not know exceeds what we do know. >> >> Yes, there is a story out there... Yes it is important that we know >> what that story is, in theory. In practice, the M246 seems to produce >> better images than the MM.... 12 bits 14 bits or some other number of > bits. >> >> I agree with Mark.. HDD storage is so cheap that 12 vs 14 bits is a >> ridiculous reason to chintz on the ADC resolution. There is some >> other reason. >> >> Or, someone made a bad assumption in the first place and this whole >> thread is a waste of time. >> >> Frank Filippone >> Red735i at verizon.net >> >> Peter according to some guy on the internet its not a matter of a few >> steps up from 12 to 14 bit. Its 4 times as many shades of intensity >> in a given range. >> That sounds like a big deal for me. >> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > > > -- > Mark William Rabiner > Photographer > http://gallery.leica-users.org/v/lugalrabs/ > > > > _______________________________________________ > 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 -- Mark William Rabiner Photographer http://gallery.leica-users.org/v/lugalrabs/