Tuesday, June 2, 2009

Your camera's Dynamic Range

Do you know something about a Dynamic Range of an image? I think that many of us will say, "YES"! Moreover, I can say, "YES". If you need a strong definition of this subject, you can refer to a Cambridge In Color site. However, let me talk you little about the “Dynamic Range” of my camera-Fuji S5Pro. How good in yours cameras this task is resolved? Maybe, it will be useful for you too.
It’s no a “secret” that we have a combination a black and white "holes" on the image after shooting, even in right exposition terms. Why this happened?
First of all, there is a common technological limitation with an original photo sensor type connected which. You can eliminate this problem by a HDR technique using (shooting the same frame with the different exposition values and combine results into one frame with the HDR software then). However, original construction of the sensor can make “almost same work”. For example, look at the FUJI Super CCD SR II sensor type. This sensor has two types of photo detectors (S-“big” an R-“small”) with a different sensitivity. This will allow us to expose a too highlight (by R-detector) and too shadow (by S-detector) parts of a shooting scene simultaneously! To put it briefly, we can get hardware HDR in the camera. Moreover, the camera can CONTROL this process for a source shot improvement. The Dynamic Range can be changed from 1.3 up to 4 times!
Well, it is time for examples. Look at this shot of a street artist(PLEASE, CLICK ON THE ALL IMAGES, to feel difference ;) ),



Fuji S5Pro, Nikkor AF 180/2.8ED, 1/200, F10, ISO160. Standard mode, DR=100%

Lets try the Dynamic Range up to 130% to increase(the source shot with DR=100% is on a left).



Do you feel a difference?( Please, it is not necessary to look at moustaches. All is well visible on collar! ☺ )Ok, what’s happened if it will be accelerated up to 400%? No problem, look at this one:



The difference is a simply FANTASTIC!All of this manipulation are accessible in the CAMERA, directly!To say an another manner, FujiS5Pro have a PS inside.

Does you camera can make the same things? I don’t think so. Excluding the Fuji SPro, of course. ;-) Fujifilm old technologies are still working!

And finally, reading the Camridge In Color
"Dynamic range is generally higher for digital SLR cameras compared to compact cameras (due to larger pixel sizes)"
.
Hmmm..... I'm agree of course!
For example, my Sony F828 shot

This is an NOT SO GOOD Dynamic Range example.

However, this shot a my Fuji S5Pro from is a better example in the DR terms


Oh, one moment please! AND WHAT ABOUT THIS THE "HARDWARE HDR" FUJIFILM'S TOY?



Successful shots for all of you,
And have a nice DR!

Malik.

1 comment:

  1. "Hardware HDR Fujifilm Toy" is about 11 DR stops on jpeg. Top DSLR - 8-9 stops...

    ReplyDelete