Dorr Go2 B&W Red Colour Filter
The third image shows B&W graduated filters, the red filter is the second, please note this listing is for the red filter ONLY and the image is to show what the red filter looks like.

Item brand new. Box unopened. Old Stock.
 
To be used with the Dorr Go2 Filter System. 
For creative black and white photography

Go2 Filter System (not included)
 
Dorr Go2 B&W Red Colour Filter is for creative black and white photography. This filter is inserted into the Go2 Filter Holder for that complete creative effect.
 
1.Adapter Ring - Combines with the filter holder. Available in 49mm to 82mm to match your lens' filter thread size
2.Filter Holder - Attaches on top of the adapter ring. Holds up to 3x filters
3.Filter (the item you are buying) - Up to 3 can be inserted. Use different colours to create different effects or use the Circular Polarizing Go2 filters for avoiding reflections on non-metallic surfaces - also enhances contrast
4.Lens Hood - Can be attached after the filters to avoid reflections

Any questions, please do not hesitate to get in touch.