Low Light & Long Time / ISO1600 Test Shots of Astro350D

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▣ A comparison of images with and without EXcooler :  Astro350D


data: Canon 20-35L lens,
ASTRO350D+EXcooler,
ambient temperature 68℉ (20 ℃),  
ASA1600,     15minutes exposure

      ** This is a 10% size of the original image.


These pictures are cropped from rectangular area of the original pictures in which EXcooler was ON and OFF.


Above pictures were adjusted the tone level (high light point: 100 -> 255) in Photoshop program.
These show the efficiency of cooling unit.  

▣ A comparison of Dark Frame images ( EOS 5D   &  ASTRO 350D+EXcooler )

Above shows overall noise of ASTRO 350D is remarkably reduced with EXcooler ON.

Below pictures were adjusted the tone level (high light point: 60 -> 255) in Photoshop program.