Centra Iris Aperture 3.0 Combi, 2 years old, second hand, was used on my air rifle.
http://www.edinkillie.co.uk/ecatalog/centra-iris-aperture-30-combi-p-148.html?cPath=44_45
In good working order. normally used without filter colors so the color lens been protected from dust.
£90 includes postage.