Archived posting to the Leica Users Group, 2014/03/23

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Subject: [Leica] Random observations on resolution (long and irrelevant to the craft of being a good photographer)
From: photo at frozenlight.eu (Nathan Wajsman)
Date: Sun, 23 Mar 2014 18:31:26 +0100
References: <CA150CA4-2613-43B4-9ACB-A56C38EDA41D@bex.net><532E1F0C.1040408@cox.net><545FFF20-C7D4-4DD2-9268-6B59CB3262C4@gmail.com><CAAsXt4P1Au7ufA2Pb7-oYykMGFpuubdnZ5evdb6yty3zK=SKWw@mail.gmail.com> <CAE3QcF5g4FeAEB=HMTuFbS2jm0cWJH6ZcU-Y1v6D7vk4FBMNFg@mail.gmail.com> <E7C1393CCFA6410AA7578194B16C623A@syneticfeba505>

I am worried about Ted. He is way too mellow. Perhaps this is a result of 
good mood due to the arrival of spring, the upcoming fun in NYC etc.

But guess what...I took a picture today! In fact, I took several!! Fancy 
that!!!

Cheers,
Nathan

Nathan Wajsman
Alicante, Spain
http://www.frozenlight.eu
http://www.greatpix.eu
PICTURE OF THE WEEK: http://www.fotocycle.dk/paws
Blog: http://nathansmusings.wordpress.com/

YNWA









On Mar 23, 2014, at 5:33 AM, <tedgrant at shaw.ca> <tedgrant at shaw.ca> 
wrote:

> Dang I only wish I understood what you meant in all that strange language 
> and maybe I would become a "better printer?" :-)
> 
> But I figure so far when people near pee their pants looking at my prints 
> of late. And the new photography of Ted Jnr with an IPHONE. Dang it's 
> unbelievable Number 1 Son Ted jnr. (by the way he hates that as he's 60 
> years of age with 2 boys of his own.) :-)  Ted jnr.? But he has been 
> shooting a series on our city on his limitd free time. PURE MAGIC! Yes I 
> will up load some shortly and completely blow you all away! ;-)   Don't 
> you hate it when I do that? ;-)
> 
> Sorry Hoppy I truly wish I understood all the cool things I know, you 
> know! :-)
> 
> cheers,
> Dr. ted :-)
> 
> 
> 
> 
> 
> ----- Original Message ----- From: "Geoff Hopkinson" <hopsternew at 
> gmail.com>
> To: "Leica Users Group" <lug at leica-users.org>
> Sent: Saturday, March 22, 2014 6:13 PM
> Subject: Re: [Leica] Random observations on resolution (long and 
> irrelevant to the craft of being a good photographer)
> 
> 
>> I'm not convinced on this sampling voodoo! I also want to sit down and
>> counsel you on the errors of your ways regarding pixels per inch and dots
>> per inch...but I think I hear Dr Ted approaching! Just before I get 
>> slapped
>> on the back of the head...
>> Gaah! My model booked for this afternoon just cancelled due to illness so
>> I'm back on keyboard.
>> No you mean pixels per inch for the resolution. But resolution is
>> irrelevant until you choose a physical size that you want to print. Up or
>> down sampling matters to make a say 24MP image a 12MP or a 36Mp or
>> whatever. You can make up new data or throw away data but it is 
>> independant
>> of resolution. The 360DPI 'standard' for printing comes from  circle of
>> confusion theory and theoretical printer native capabilities. Hower ink 
>> jet
>> printers do not just make one size, one tonal value. one colour one fixed
>> DPI patterns in any case. They make variable sized, toned and coloured
>> overlapping/variably spaced patterns.  Trust me, let LR do the math for 
>> you
>> (whether letting it select suitable ppi for you or resampling to fixed
>> value you choose) for your physical print size ;-)
>> 
>> Slap! Ouch sorry doctor, I'm outta here!
>> 
>> 
>> Cheers
>> Geoff
>> http://www.pbase.com/hoppyman



In reply to: Message from hlritter at bex.net (Howard Ritter) ([Leica] Random observations on resolution (long and irrelevant to the craft of being a good photographer))
Message from kcarney1 at cox.net (Ken Carney) ([Leica] Random observations on resolution (long and irrelevant to the craft of being a good photographer))
Message from rgacpa at gmail.com (Bob Adler) ([Leica] Random observations on resolution (long and irrelevant to the craft of being a good photographer))
Message from rgacpa at gmail.com (Robert Adler) ([Leica] Random observations on resolution (long and irrelevant to the craft of being a good photographer))
Message from hopsternew at gmail.com (Geoff Hopkinson) ([Leica] Random observations on resolution (long and irrelevant to the craft of being a good photographer))
Message from tedgrant at shaw.ca (tedgrant at shaw.ca) ([Leica] Random observations on resolution (long and irrelevant to the craft of being a good photographer))