File :-(, x, )
xmas_lights_hdr_B&W NGT
7 images to hdr. instead of varying exposure every shot i varied the focus. This changed the amount of light entering the lens.
>> xmas_lights_hdr_B&W NGT
     File :-(, x)
filmstrip of original images

Camera-Specific Properties:Camera SoftwareAdobe Photoshop CS3 WindowsImage-Specific Properties:Image OrientationTop, Left-HandHorizontal Resolution72 dpiVertical Resolution72 dpiImage Created2007:12:20 04:19:20Color Space InformationUncalibratedImage Width640Image Height91
>> Anonymous
>>102687
it looks like an amoeba
>> Anonymous
THATS PRETTY NEAT
>>102687
>> Anonymous !MjcMqTX/iM
That's some pretty crappy HDR there that works shit in BW.
>> It's called Anonymous
"Circles of Irregularity"
. . .
>> It's called-- Anonymous
"Circles of Irregularity"
>> Anonymous
vary the focus? how exactly does that change the exposure ???
>> ac !!VPzQAxYPAMA
>>102863
It doesn't really change the amount of light hitting the focal plane, but it changes the brightness in a given spot.

For example: Sunny day + magnifying glass + anthill. When the sun is not properly focused, you get warm ants--the light is distributed over a small area. When the sun *is* properly focused, the average light is the same, but the spot where you're raining down fiery death on the ant who has invoked your wrath is getting a shitload more than anywhere else in the area were it out of focus.
>> Anonymous
>>102868
Could someone explain the physics and optical theory behind this and the other ways the focus effects the image beyond, well, focus and bokeh?