Op­ti­cal glass

Sky at Night Magazine - - OCTOBER / FIRST LIGHT -

The ASI294MC has a UV/IR cut-off fil­ter as it has a colour sen­sor. The range for this is be­tween 400700nm and it helps pro­tect im­ages from stray sig­nals when the cam­era is used in plan­e­tary mode. The sen­sor cham­ber is de­signed as a sealed unit, so it is not ad­vis­able to re­move the op­ti­cal win­dow with this de­sign of cam­era.

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