Viewfinders & Nisi IR CUT filters.

NiSi IR/UV Cut Filters. These are from a special production run made by Nisi for Mainline Photographics. They are only available in 39mm and 46mm. They are in a slim mount with front threads. This filter is essential if you are using a Leica M8 or M8.2...

NiSi IR/UV Cut Filters. These are from a special production run made by Nisi for Mainline Photographics. They are only available in 39mm and 46mm. They are in a slim mount with front threads. This filter is essential if you are using a Leica M8 or M8.2...