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Quite to the point, but some more details would be good. Didnt really spot any flaws you mentioned that QSI have addressed, besides improving temp delta cooling and frame download time? Perhaps elaborate there further.
683 and 583 only have 8 degree difference from ambient. Whereas -20c imaging is still excellent with fantastic noise control.
8 position filter wheel is handy. However installing filters is already a breeze and easy with 583. More the better though.
Electronic filter changing is fast! and doesnt require any prior calibration.
CCD chamber is completely isolated, filled with argon and good for 3years of use before refilling needs to be considered. No concerns needed when installing/removing filters.
4x4 or 3x3 binning for frame focusing with reasonable times. 15-20sec download times at 1x1/2x2 when framing/focusing is too annoying. 683 helps address this.
Very impressed with my 583WSG. Will be hard to let go.
Last edited by leinad; 28-02-2012 at 06:47 PM.
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