I finally 'get' equivalence

Started May 22, 2012 | Discussions thread
gianstam
Contributing MemberPosts: 750Gear list
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Re: Yeah, I can.
In reply to Great Bustard, May 23, 2012

Great Bustard wrote:

gianstam wrote:

Great Bustard wrote:

Re: Yes, but it is the total amount of light, not the density of light...
...that matters.

You cannot prove that.

I can, and have:

josephjamesphotography.com/equivalence/index.htm#noise

And here are examples bearing it out:

http://ezstrobesphoto.blogspot.com/2009/01/nikon-d300-vs-d700.html

http://ezstrobesphoto.blogspot.com/2009/01/more-d300-and-d700-equivalent-images_25.html

http://www.seriouscompacts.com/f41/panasonic-g1-nikon-d700-iso-shootout-160/

http://forums.dpreview.com/forums/read.asp?forum=1036&message=31236433

http://forums.dpreview.com/forums/read.asp?forum=1032&message=16107908
http://forums.dpreview.com/forums/read.asp?forum=1029&message=21440105

I guess they're all just coincidences.

Something isn't true because many people believe it.

(the sensor does not behave as a whole).
You get a photo from it, don't you?

No, I get a picture from some million dots .

Do you see little pixels in that photo, or do you see the photo as a whole?

I see a photo wich is "combined" by million of dots. And the dots make the picture.

Accurate, clean dot means accurate, clean photo. So, what matters is the photosite (the size -light can be captured- and the technology behind that)

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