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BirnsGear Mattebox Adapter Ring 77mm to 105mm

Questions about this product?
  • 77mm - 105mm adapter ring
  • Use the clamp on matte box with a 105mm rear opening with the 77mm front diameter of a lens
This BirnsGear 77mm - 105mm adapter ring enables use of a clamp on matte box with a 105mm rear opening with your lens that has a 77mm front diameter.
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