For a multi use polarizer it’s perfect and for its price it’s does an amazing job

To be honest, this light is absolutely superb and great value for money, and It's infinitely variable giving you any colour wash options you could possibly need. When I first bought this I had issus activating my warranty but literally one email to the support team and they sorted the problem out straight away. Superb service

The filter is really good, it seems to be a real 10 stop filter (some ND1000 are only 8-9 stops, which makes shutterspeed calculations hard), it is reducing light in both Visible and Infrared light (has been tested on a full spectrum camera used for Infrared Photography), so you will not have a nasty discolouration in the sky as with other ND filters, but you will get a slight blue colour cast, nothing that can not be fixed in post process with the white balance tool, but I highly recommend doing a white balance setting with the filter on to get accurate colours, especially if you are shooting in JPG. I did not see any reduction in detail (see the 100% or 1:1 crop). It easily screwed on my lens and step up rings as well. It has a nice grippy area which I find giving a much better grip than other filters. One thing I'd like to mention is the case it's coming with has a nice locking mechanism and also two carve outs to be able to easily remove the filter from it's case, actually it's one of the best cases I've seen, beating the nice metallic cases from Gobe, which does not close well with larger filters.
If colour cast is a critical issue for you then this filter might disappoint you with it's blue cast, in that case I recommend Haida's NanoPRO ND1000, which I unfortantely lost, but that has virtually no colour cast at all, but nearly triple the price.

This multi-purpose light works great. I intend to use it for my next camping trip but have used it for other purpose. Great light for my YouTube video filming when I need the extra light. Works great.

I love the versatility and sturdiness. It comes with a travel bag.

Good quality construction and multi coated glass. The filter has a light brown tint which might not be suitable for users.

Exactly what I needed at a fantastic price!

- loves the colour and design