how to create HDR photograph with multiple 
exposures in Photoshop
welcome to psdesire photoshop & photography 
Youtube Channel.
In this photo editing tutorial, we show you how to 
convert normal photograph into
awesome HDR image for artistic effects look.
Just in case you’re unfamiliar with the term HDR
HDR stands for High Dynamic Range Imaging.
a regular photo can’t capture the full range of lights
and shadows that the human eye can see.
there are HDR function option for most of DSLR's
but we don't have much adjustments to do in camera.
 
Each time you take a photo, the camera takes two 
shots at different exposures and combines
them to preserve details in shadows and highlights in high-contrast scenes.
In general, don’t use your camera’s auto-bracket feature,
because the exposure changes are usually too small.
so u can put the camera on a tripod and take eight shots,
from under- to over-exposed, one f-stop apart each.
or take a straight JPEG or RAW photo and we 
expose it manullay in photoshop
in this case i just took single JPEG shot with correct 
exposure
and now open photograph in photoshop.
i'm using photoshop cs5 version for this tutorial
goto adjustments and select exposure
adjust from under- to over-exposed, one f-stop 
apart each.
i will keep exposure value from -4 to +4 and save photos
The exposure differences between the photos should be one or two EV (exposure value) steps apart.
Here they are multiple exposure images created 
manually.
you can use DSLR to do the same as well.
You can try taking at least five to seven photos,
but you might need to take more exposures depending on the dynamic range of the scene.
The minimum number of photos should be three.
When you have the exposures from which you want 
to create your HDR image,
you need to put them together using the Merge to 
HDR Pro feature in Photoshop.
now goto File –> Automate –> Merge to HDR
click Browse to select specific images
click ok
after loading files, manually set EV dialog box appears
select EV radio button if you created multiple 
exposure images using photoshop or
if u captured through DSLR then keep it default to gather metadata automatically.
here EV means exposure value
give exact same amount of exposure value of the respective images and click ok
When the calculations are done, the Merge to HDR 
Pro window opens
Each of the images in the merge is shown as a 
thumbnail below the preview.
You can deselect each image to see what impact it 
has on the combined exposure.
By default, Merge to HDR Pro assumes that you want control over the
image right away and sets the Mode menu to 16-bit color and Local Adaptation.
To adjust the tonal range, The Detail slider sharpens 
the smallest bits in the image.
Use the Radius and Strength sliders in combination 
to increase the perceived sharpness of the image.
depending on the photograph scene you then have a few more options
to use as well, including the Curve panel.
when you're happy with the result click ok
Here is before and after results
If you have only single photograph then try this method to create awesome HDR photography.
Check out some of the HDR images developed using same technique like this tutorial
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