13. Drop-In Filters
A 52-series drop-in gelatin filter holder with a glass filter is included with the lens. The drop-in filter holder can be used fitted with a gelatin filter (sold separately).
<Installing and Removing>To remove the drop-in filter, press in the left and right lock buttons and pull the filter holder straight up out of the slot.
To install the drop-in filter, push the filter holder straight down into the slot until it clicks into place.
●The filter holder can be installed facing either forwards or backwards.
Because the lens optics are designed to include a glass filter, you must always install the filter holder, even if no gelatin filter is fitted.
<Using a Gelatin Filter>14mm
14mm
47mm
47mm
Lift up the holder’s retaining plate.
Cut the gelatin filter as shown and mount it in the holder.
Return the retaining plate to its closed position.
The Drop-In Screw-Type Filter Holder 52 and Drop- In Circular Polarizing Filter PL-C52 are also available (sold separately).
