Used Red, orange and green home made filters to fit a Cokin A-series holder. These are used for special effect or for contrast control when shooting in black & white. The Green Filter is an Ilford 401 glass filter mounted in a hard frame.
Condition:
Marks on orange and red gels but still decent. The green glass filter has lots of fungus marks and bubbles not sure if it can be cleaned The photograph above is the actual pre-owned Unbranded various on offer for sale.