Drop-In Filters

The lens comes with the drop-in Gelatin Filter Holder 52 holding a glass filter. The holder accepts commercially-available gelatin filters.

Removing and Installing

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

	Lift up the holder's retaining frame.
	Trim the gelatin filter as shown in the figure, and mount it in the holder.
	Return the retaining frame 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).