Test (1)   Test (2)☞    A comparison of CentralDS UV/IR Blocking Filter ☞   
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▶cooling comparison of Astro50D
▶A comparison of images with and without EXcooler
▶comparison of Dark Frame( EOS 5D & ASTRO 350D ) 

▣ cooling comparison of Astro 50D      - Tested by Xavier, IMVO spain

data: ASTRO50D
      ambient temperature (12 ℃), 
     ASA800, 20minutes exposure

            *Click the image to view large file.

▣ A comparison of images with and without EXcoolerer

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.