! Do not remove the IR lter as this will make it virtually impossible to get the lter
perfectly clean. Therefore, we strongly advise against you attempting to clean either
the inside of the IR lter or the CCD surface by yourself.
3. If you still see spots on your shot after you have cleaned the outside of the infrared lter,
then you may have dust on either on the back side of the IR lter or on the CCD itself. This
can only be removed at the Hasselblad factory. Contact your Hasselblad dealer for assist-
ance.
4. Replace the protective cover or reattach the sensor unit to the camera immediately after
cleaning.
Cleaning using the HAMA cleaning uid and tissues
1. Carefully spray the uid (Hasselblad recommends HAMA Optic Cleaning Fluid 5902) onto
the IR lter at a distance of 10-15 cm (4-5 inches), so that the uid is applied onto the
lter as a thin, even haze. 1-2 sprays are enough. If you apply too little, the uid will start
to dry up before you start wiping the lter. As an alternative you can spray the uid onto
the tissue rst, and then apply it to the lter as you wipe it.
2. Now fold the tissue several times to match the width of the IR lter - you may use one or
more tissues at a time if necessary (to give you a better grip). Be completely sure to fold
the paper so that the coated glossy side faces outwards!
! This is the side to be used to wipe the lter - do not use the other side, as it can do
more damage than good!
3. Gently place the folded tissue onto the edge of the lter using two or three ngers. Apply
rm pressure along the lter’s edge to ensure equal wiping of the entire surface. Sweep
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