Breakthrough Photography 52mm X4 UV Filter note To decrease the effective ISO

To decrease the effective ISO of high speed film (ie: above ISO400) and allow it to be used outdoors in bright situations

The inside of the Lightsphere is completely textured to make the light dispersion even more "soft" than it would be otherwise

Voltage: 22

and adds new features including an improved grip

so that focus transitions are natural looking and subjects can remain in focus even as they move off center

Breakthrough Photography 52mm X4 UV Filter note To decrease the effective ISOWorlds Sharpest Protection Filter. 110% Guaranteed. The X4 UV achieves a higher optical resolution than any other protection filter, and thanks to our state of the art and uniformly applied MRC16 and nanotec nano coating layers, the X4 UV lives up to the demands of the professional outdoor photographer. Critically Sharp SCHOTT B270 The X4 features SCHOTT Ultrawhite B270 optical glass made in Germany. Our state of the art multi resistant coating has 16