The top selling 4x4 camera filter holder
systems in the world.
The Cokin holder is made in France.
The Lee FK holder is made in The United Kingdom (Great Britain).
The Lee FK Holder is supplied in a box with a deluxe carrying case
with room for an Lee adapter ring for storage in most camera bags $74.44 more info
The Cokin Z- Pro holder comes in a cardboard box ( the one pictured)
for storage $61.17 more info

The Lee FK holder uses a brass spring loaded locking knob
to hold the Lee holder safely locked on the adapter ring.
You have to pull the knob to release the filter holder from the adapter.
Note: the thickness of the Lee KF mounting base.
The Cokin Z Pro uses a mounting method very similar
to the Cokin P series mounting plates, just larger.
The Cokin Z pro holder has a locking pin you have to remember
to push forward to lock the adapter to the Z pro holder.

Both have useful changeable rail sizes and locking methods.
To by Cokin Z Pro products visit here

To buy Lee FK holders and rings visit here

Lee has longer filter rails to assure filter flatness
and a thicker mounting base to keep everything as flat as possible.
The Lee FK holder costs a little over $15 more US than the Cokin Z Pro.

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Clear MC
filters and Low Profile Circular Polarizer Choices

No 4x5-6 resin filter will ever be as flat as a mounted screw on glass round filter.
Long telephoto lenses do not operate well
without perfectly flat filter material. The infinity telephoto focus goes soft
This is not a problem with gradual filters which are used mainly on ultra wide lenses
©2006-2010 The Filter Connection LLC
updated
November 17, 2009