Lee Foundation Kit 100 4x4" Filter Holder FK100

Pros: Solid build, securely holds filters, works with 4x4" as well as 4x6" slot filters.
Cons: Precludes the use of a lens hood, Not as convenient as a screw-on filter.

If you are a landscape photographer, then chances are you have used a graduated filter, most likely a graduated ND (Neutral Density) Filter to control the contrast between the ground and the sky in an image. If you have used the round grads then you ...