Omega Grain Focusing Aid. This grain focusing aid is in very good condition in the original box. No lens cap and no blue filter. This is grain focusing aid is now sold under the Peak brand and this model would be equal to the Peak II model. If you enjoy working in the darkroom making your own prints, this grain focusing aid makes working a lot more enjoyable Asking price is $50 USD plus shipping cost. This should ship in a USPS medium priority mail box for approximately $15 in the USA.