P2P published SL3 measurements

[TeleElmar135mm]

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vor 7 Stunden schrieb AZN:

Yes - agree.  Although there seems to be an undercurrent in this thread from some posters that the tests cannot be trusted/ believed if your particular camera doesn't do well 😃

 

That's like Churchill never said: Never trust a test, that is not manipulated by me . "Nice" to see, that the values here are far away from the 15 steps written by Leica, Sony and Nikon. So we must wait for DXO. But what shalls. Go out an make some good pictures. Today we habe rainiy weather there are the 12 steps more than enough ...

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[jaapv]

If one has no basic photographic knowledge surely an iPhone will give better results?  

[frame-it]

7 hours ago, AZN said:

Yes - agree.  Although there seems to be an undercurrent in this thread from some posters that the tests cannot be trusted/ believed if your particular camera doesn't do well 😃

 

not really an undercurrent, its tsunami level Gush

[frame-it]

1 minute ago, jaapv said:

If one has no basic photographic knowledge surely an iPhone will give better results?  

exactly

[BernardC]

8 hours ago, AZN said:

Yes - agree.  Although there seems to be an undercurrent in this thread from some posters that the tests cannot be trusted/ believed if your particular camera doesn't do well 😃

 

That's a classic straw man argument! Nobody argued that at all. The opposite is true, some people seem irritated when told how their favourite tests are conducted, even though they should presumably know these things already.

When looking at data, it's important to understand what is being tested (and what isn't), and how it's being tested. You are free to draw your own conclusions, of course, but at least you'll know what you are looking at.

[TeleElmar135mm]

vor 2 Stunden schrieb jaapv:

If one has no basic photographic knowledge surely an iPhone will give better results?  

... or this one: The camera has a senor and - IMPORTANT - a red button

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[scott kirkpatrick]

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Since I provided Bill Claff with the data he needs for several of the latest Leica models, let me provide some additional information.  In my experience, all of the shots required for his various curves come from a single tester who has an early production camera and is running release firmware 1.0 or later.  It takes several hundred exposures, about half of which are black frames, and usually is about a day's work, in consultation with Bill as he cross-checks.  The DR data that he presents come from shooting  his test chart on screen (at constant brightness) over fifteen stops of ISO, with results ranging from pretty completely black to almost all white.  So "fifteen stops of DR" gets reduced to the eleven or twelve that you see in Claff's plots, correctly representing usable DR.  That part is just the same test that David Vestal used to report in his magazine columns one or two generations ago.  So his results are from a single camera with the lighting and targets held constant.  And it's a very reasonable, non-automated test.

Edited March 13, 2024 by scott kirkpatrick