30.5mm Sigma Red Orange Yellow ND4 Filters for 600mm F8 Mirror Lens - set of 4
This set contains one each of Red, Orange, Yellow & ND4. Ideal for 500mm / 600mm F8 Mirror Lenses. Sigma 30.5mm ND / Coloured Filter set. Will These Filters Fit Your Lens. The item is used but all filters are in very good condition.