SQ images: low light

Started Jul 24, 2003 | Discussions thread
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Ching-Kuang Shene
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SQ images: low light
Jul 24, 2003

Hi All,

As promised, here are some SQ images taken in low light situation.

The following were taken in a well-known restaurant (Harbor House) in Cooper Harbor at the tip of the Keweenaw Peninsula, upper Michigan. All were taken with the ambient light around 7pm EST (about 6pm CST).

Here is the shot of a cute girl in the resturant:

Here is a corner of our university library. Exposure compensation is +0.7 stop:

This night shot is quite ugly:

This is sunset on Lake Superior shore. Color and tone are quite accurate. It was taken with auto WB without exposure compensation. I used matrix metering and metered somewhere near the middle. As a result, the setting sun is overexposed a little; however, the water and sky have appropriate color and tone, although a little under-exposed.

The following is the result cleaned up with NeatImage with all default setting and slightly sharpened. The result is quite good:

As you can see, noise is there, especially that the night shot is very ugly. However, reducing to 800x600 and smaller for web use or printing in 4x5, this noise problem is not so bad. In my opinion and my use of the SQ, noise is not an issue because, as mentioned in my previous post ( http://forums.dpreview.com/forums/read.asp?forum=1007&message=5540485 ) I only use the SQ for casual shots. After cleaning up the noise, the image quality is quite good.

Here is the link for the unedited original (10mb): http://www.cs.mtu.edu/~shene/FORUM/SQ/SQ-low-light.zip

CK
http://www.cs.mtu.edu/~shene/DigiCam
Nikon Coolpix 950/990/995/2500/4500 user guide

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