Unfortunately, the filter is not in harmony with the camera Pentax Q10. The exposure is irritated. Perhaps by a special design of the sensor? Color the picture is bright and sometimes dark without turning on the filter. If you turn on the filter, but nothing changes. So for this camera, unfortunately, useless! The workmanship and fit is good though. Therefore, 3 stars, even if I could not use this filter. With other cameras, it seems to be working.
