Sandmarc launches hybrid ND/polarization filters for smartphone cameras

On smartphones, the effects of many photographic filters can be fairly easily simulated by apps but if you are more of an old-school photographer who also likes to shoot with a phone, Sandmarc's new premium line of polarized ND filters for smartphone photography and video recording might just be what you have been waiting for. The accessory maker's new models combine neutral density and polarizing functionality in one hybrid filter and are manufactured using multi-coated and anti-reflective glas...