I use the Marumi DHG200 +5 mainly on the Nikkor 10-30mm for my V1. Even without the achromatic lens can shoot with this kit Zoom excellent macros, with the Marumi are results in there that pretty close to true macro lenses with magnification 1: 1 approach. The sharpness is very good, actually as good as without the achromatic lens. CAs could I not watch, but know that they can become a problem with conventional close-up lenses. Also the auto focus is not adversely affected by the Marumi, he is as quick and accurate as without. Other Nikon 1 users I can recommend to the Marumi with a filter thread of 52mm and to buy more step-up rings. In this way you can use the achromatic lenses N1 at all, even on a future macro lens for the system.
Conclusion: I am of the results, both in terms of image quality and enlargement, very satisfied. The Marumi is a really good achromatic lens, which allows the interaction with the 10-30mm macros that are distinguishable only with difficulty by those who have made a true macro lens. For the price it really is the cheapest and most flexible macro solution for Nikon 1 system.