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Date(s): October 2001. Album by Ralf Brown. Photos by Ralf Brown. 1 - 4 of 4 Total. 1876 Visits.
enlarge 87KB, 1024x768 1 Cathedral of Learning (wide) 28mm focal length, ISO 100.
Taken from a pedestrian bridge between the two buildings at the extreme edges of the picture. Any small blurry patches are due to dirt on the windows; the minor vignetting in the corners is due to my UV filter (I'll have to find a thinner one).
enlarge 83KB, 768x1024 2 Cathedral of Learning (zoomed) 200mm, ISO 100.
Zoom in on the previous picture, lossless rotation in IrfanView.
enlarge 76KB, 1024x768 3 Vignetting Test Shot D7 at full wide angle with a standard-thickness Tiffen 49mm UV Haze filter.
enlarge 118KB, 1024x768 4 Dark Frame 30 sec @ ISO 800 (STD compression)
This is the worst the noise gets (note that
noise reduction kicks in above 1.0 sec, so that 1.5 and 2.0 second exposures actually
appear to have less noise than 1.0 seconds).
I think this frame was taken with contrast and saturation on neutral.