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Sony’s new α7S full frame  Rating:  Rating
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Posted by amazing50: Fri Apr 11th, 2014 22:30 1st Post
This new Sony mirror less seems to have a lot going for it.
http://blog.sony.com/press/28061/

Thought a lot of the members would like the size, full frame, and lower 12mp sensor with low noise high 409,600 ISO.

Just a note: maybe it's time to go back to the DIN ratings where 409600 ISO = 58DIN so that next years' 3,476,800 ISO or 3 stops more is 67 DIN.



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Posted by novicius: Sat Apr 12th, 2014 23:24 2nd Post
amazing50 wrote:


Just a note: maybe it's time to go back to the DIN ratings where 409600 ISO = 58DIN so that next years' 3,476,800 ISO or 3 stops more is 67 DIN.

Agree !! ... and 1/3 of an f/stop is accurate enough for me .



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Posted by jk: Sun Apr 13th, 2014 04:42 3rd Post
Definitely agree that the ISO numbers are getting too big. There is a lot going for the DIN system.


The Sony camera seems to be much more useful than the other ones in the A7 range.
If I wasnt into the Fuji range of X cameras then I might b interested.
I do think that Nikon need to think long and hard about the advantages/disadvantages in DSLR of Optical v. EVF. They could with a little thought build another game changer like the F and F2 with different viewfinders or maybe have the same sensor based camera but one with EVF (electronic viewfinder) and other with OVF (optical viewfinder).



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Posted by jk: Sun Apr 13th, 2014 04:42 4th Post
Definitely agree that the ISO numbers are getting too big. There is a lot going for the DIN system.
For those not familiar with the DIN system
http://en.wikipedia.org/wiki/Film_speed

ISO --- DIN
25 --- 15
50 --- 18
100 --- 21
200 --- 24
400 --- 27
800 --- 30

You get the drift!




The A7S Sony camera seems to be much more useful than the other ones in the A7 range.
If I wasnt into the Fuji range of X cameras then I might be interested. also the Sony lens range is a bit limited.
Of the not Canon and Nikon manufacturers I think Olympus/Panasonic have the bbest lens range but Sony have some very innovative cameras but for a combo of both Fuji take a lot of beating. The new XT1 has had a few teething problems but it is a great camera to use.



I do think that Nikon need to think long and hard about the advantages/disadvantages in DSLR of Optical v. EVF. They could with a little thought build another game changer like the F and F2 with different viewfinders or maybe have the same sensor based camera but one with EVF (electronic viewfinder) and other with OVF (optical viewfinder).



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Posted by Gilbert Sandberg: Sun Apr 13th, 2014 11:20 5th Post
Jonathan
re: You get the drift!
I get it (grin)
But I think the strive for higher ISO/DIN is mostly to satisfy the marketing people, justy like the hunt for higher resolution.
When did I last see any useful picture, taken at more than ISO1600 ?
Regards, Gilbert



Posted by jk: Sun Apr 13th, 2014 14:39 6th Post
Gilbert Sandberg wrote:
Jonathan
re: You get the drift!
I get it (grin)
But I think the strive for higher ISO/DIN is mostly to satisfy the marketing people, justy like the hunt for higher resolution.
When did I last see any useful picture, taken at more than ISO1600 ?
Regards, Gilbert

I use my D3s at ISO6400 for my flamenco pictures.
The images are acceptable for use in advertising flyers and posters but one stop further and it looks like a snowstorm!



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Posted by amazing50: Mon Apr 14th, 2014 21:43 7th Post
I find that the D600 gives good results to 6400 and a friend finds the same thing with the D4S at 12800.

He says that the 409600 is like a D1 at 6400 :~).



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Posted by novicius: Tue Apr 15th, 2014 20:32 8th Post
How much was that in ghost :devil:



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